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Portable SSDs

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High-Speed Portable SSDs Compared

Looking for the best high-speed portable SSD for your setup? We compared 39 top high-speed portable drives side by side. Speeds range from 1.1 GB/s to 3.3 GB/s over USB4 and Thunderbolt, with capacities from 1 TB to 4 TB. Our top pick, Samsung Samsung T9 Portable SSD, earned 9.6/10 for its balance of speed, build quality, and value. Whether you need faster game load times, portable storage for creative work, or reliable backup, this comparison covers everything you need to choose the right drive.

Quick Winner

Samsung

Samsung T9 Portable SSD

★★★★★ (9.6/10)
2.0 GB/s Read 1.9 GB/s Write 1 TB USB 3.2 Gen 2x2
See Price on Newegg →

Why We Recommend It

  • Blazing 2.0 GB/s reads — handles 4K/8K video with ease
  • Excellent sustained writes — near-symmetrical read/write speeds
  • Cool operating temperatures with efficient thermal design
  • Works with PC, Mac

Specs at a Glance

Capacity1 TB
InterfaceUSB 3.2 Gen 2x2
Endurance600 TBW
Warranty5 years
Form FactorExternal

The fastest Samsung portable SSD with USB 3.2 Gen 2x2 interface. Up to 2GB/s sequential reads.

Filter by category: Ultra-Portable SSDs High-Speed Portable SSDs Rugged Portable SSDs All SSDs
Comparing 39 products

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Specification Samsung Samsung T9 Portable SSD Read our full Samsung Samsung T9 Portable SSD benchmark review → Samsung Samsung T9 Portable 4TB Read our full Samsung Samsung T9 Portable 4TB benchmark review → Crucial Crucial X10 Pro Portable 4TB Read our full Crucial Crucial X10 Pro Portable 4TB benchmark review → Sabrent Sabrent Rocket Nano V2 Read our full Sabrent Sabrent Rocket Nano V2 benchmark review → Samsung Samsung T9 Portable 2TB Read our full Samsung Samsung T9 Portable 2TB benchmark review → Crucial Crucial X10 Pro Portable 2TB Read our full Crucial Crucial X10 Pro Portable 2TB benchmark review → SanDisk SanDisk Extreme Pro Portable SSD Read our full SanDisk SanDisk Extreme Pro Portable SSD benchmark review → Crucial Crucial X9 Pro Portable 2TB Read our full Crucial Crucial X9 Pro Portable 2TB benchmark review → Corsair Corsair EX400U Portable 1TB Read our full Corsair Corsair EX400U Portable 1TB benchmark review → OWC OWC Envoy Pro FX Portable 4TB Read our full OWC OWC Envoy Pro FX Portable 4TB benchmark review → OWC OWC Envoy Pro FX Portable 2TB Read our full OWC OWC Envoy Pro FX Portable 2TB benchmark review → Western Digital WD Black P50 Game Drive SSD Portable 4TB Read our full Western Digital WD Black P50 Game Drive SSD Portable 4TB benchmark review → OWC OWC Envoy Pro FX Portable 1TB Read our full OWC OWC Envoy Pro FX Portable 1TB benchmark review → Sabrent Sabrent Rocket XTRM-Q Portable 4TB Read our full Sabrent Sabrent Rocket XTRM-Q Portable 4TB benchmark review → Western Digital WD Black P50 Game Drive SSD Portable 2TB Read our full Western Digital WD Black P50 Game Drive SSD Portable 2TB benchmark review → SSK SSK PM510 USB4 Portable 1TB Read our full SSK SSK PM510 USB4 Portable 1TB benchmark review → Sabrent Sabrent Rocket Nano V2 Portable 4TB Read our full Sabrent Sabrent Rocket Nano V2 Portable 4TB benchmark review → Sabrent Sabrent Rocket XTRM-Q Portable 2TB Read our full Sabrent Sabrent Rocket XTRM-Q Portable 2TB benchmark review → Western Digital WD Black P50 Game Drive SSD Portable 1TB Read our full Western Digital WD Black P50 Game Drive SSD Portable 1TB benchmark review → Seagate Seagate FireCuda Gaming SSD Portable 4TB Read our full Seagate Seagate FireCuda Gaming SSD Portable 4TB benchmark review → Corsair Corsair EX100U Portable 2TB Read our full Corsair Corsair EX100U Portable 2TB benchmark review → Kingston Kingston XS2000 Portable 4TB Read our full Kingston Kingston XS2000 Portable 4TB benchmark review → Sabrent Sabrent Rocket Nano V2 Portable 2TB Read our full Sabrent Sabrent Rocket Nano V2 Portable 2TB benchmark review → Crucial Crucial X8 Portable 2TB Read our full Crucial Crucial X8 Portable 2TB benchmark review → Seagate Seagate FireCuda Gaming SSD Portable 2TB Read our full Seagate Seagate FireCuda Gaming SSD Portable 2TB benchmark review → Kingston Kingston XS2000 Portable 2TB Read our full Kingston Kingston XS2000 Portable 2TB benchmark review → Crucial Crucial X8 Portable 1TB Read our full Crucial Crucial X8 Portable 1TB benchmark review → Seagate Seagate FireCuda Gaming SSD Portable 1TB Read our full Seagate Seagate FireCuda Gaming SSD Portable 1TB benchmark review → Kingston Kingston XS2000 Portable 1TB Read our full Kingston Kingston XS2000 Portable 1TB benchmark review → Lexar Lexar SL660 Portable 2TB Read our full Lexar Lexar SL660 Portable 2TB benchmark review → Lexar Lexar SL660 Portable 1TB Read our full Lexar Lexar SL660 Portable 1TB benchmark review → Patriot Patriot Evlvr Portable 2TB Read our full Patriot Patriot Evlvr Portable 2TB benchmark review → Patriot Patriot Evlvr Portable 1TB Read our full Patriot Patriot Evlvr Portable 1TB benchmark review → Inland Inland Performance Portable 2TB Read our full Inland Inland Performance Portable 2TB benchmark review → Inland Inland Performance Portable 1TB Read our full Inland Inland Performance Portable 1TB benchmark review → Netac Netac ZX1 Portable 2TB Read our full Netac Netac ZX1 Portable 2TB benchmark review → Netac Netac ZX1 Portable 1TB Read our full Netac Netac ZX1 Portable 1TB benchmark review → ORICO ORICO UFSD Portable 2TB Read our full ORICO ORICO UFSD Portable 2TB benchmark review → ORICO ORICO UFSD Portable 1TB Read our full ORICO ORICO UFSD Portable 1TB benchmark review →
Capacity 1TB4TB4TB1TB2TB2TB1TB2TB1TB4TB2TB4TB1TB4TB2TB1TB4TB2TB1TB4TB2TB4TB2TB2TB2TB2TB1TB1TB1TB2TB1TB2TB1TB2TB1TB2TB1TB2TB1TB
Interface USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB4USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2USB4Thunderbolt 3Thunderbolt 3USB 3.2 Gen 2Thunderbolt 3Thunderbolt 3USB 3.2 Gen 2USB4USB 3.2 Gen 2x2Thunderbolt 3USB 3.2 Gen 2USB 3.2 Gen 2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2USB 3.2 Gen 2USB 3.2 Gen 2x2USB 3.2 Gen 2USB 3.2 Gen 2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2USB 3.2 Gen 2x2
Read Speed 2000 MB/s2000 MB/s2000 MB/s3000 MB/s2000 MB/s2000 MB/s2000 MB/s1050 MB/s3300 MB/s2800 MB/s2800 MB/s2000 MB/s2800 MB/s2700 MB/s2000 MB/s3200 MB/s2000 MB/s2700 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s1050 MB/s2000 MB/s2000 MB/s1050 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s
Write Speed 1950 MB/s2000 MB/s2000 MB/s2800 MB/s2000 MB/s2000 MB/s2000 MB/s950 MB/s3000 MB/s2800 MB/s2800 MB/s2000 MB/s2800 MB/s2700 MB/s2000 MB/s2800 MB/s2000 MB/s2700 MB/s2000 MB/s2000 MB/s1800 MB/s2000 MB/s2000 MB/s1000 MB/s2000 MB/s2000 MB/s1000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s2000 MB/s1800 MB/s1800 MB/s2000 MB/s2000 MB/s
Endurance (TBW) 600 TB2400 TB2400 TB700 TB1200 TB1200 TB600 TB1200 TB600 TB2400 TB1200 TB2400 TB600 TB2400 TB1200 TB600 TB2400 TB1200 TB600 TB2400 TB1200 TB2400 TB1200 TB1200 TB1200 TB1200 TB600 TB600 TB600 TB1200 TB600 TB1200 TB600 TB1200 TB600 TB1200 TB600 TB1200 TB600 TB
Warranty 5 years5 years5 years5 years5 years5 years5 years5 years5 years3 years3 years5 years3 years3 years5 years3 years3 years3 years5 years5 years3 years5 years3 years3 years5 years5 years3 years5 years5 years3 years3 years3 years3 years3 years3 years3 years3 years3 years3 years
Form Factor ExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternalExternal
Rating 9.6/10 9.6/10 9.6/10 9.5/10 9.5/10 9.5/10 9.4/10 9.0/10 9.0/10 8.9/10 8.8/10 8.7/10 8.7/10 8.7/10 8.6/10 8.6/10 8.6/10 8.6/10 8.5/10 8.5/10 8.5/10 8.5/10 8.5/10 8.4/10 8.4/10 8.4/10 8.3/10 8.3/10 8.3/10 8.2/10 8.1/10 8.0/10 7.9/10 7.8/10 7.7/10 7.6/10 7.5/10 7.5/10 7.4/10
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Who Should Buy Which Drive

Samsung Samsung T9 Portable SSD

Score: 9.6/10 | 2.0 GB/s read | 1 TB | USB 3.2 Gen 2x2

Pros

  • Fastest Samsung portable SSD
  • USB 3.2 Gen 2x2 support
  • 5-year warranty
  • Excellent build quality
  • Magician software support

Cons

  • Requires Gen 2x2 host for max speed
  • Premium pricing
  • No IP rating

The fastest Samsung portable SSD with USB 3.2 Gen 2x2 interface. Up to 2GB/s sequential reads.

Check on Amazon → Full Samsung Samsung T9 Portable SSD review →

Samsung Samsung T9 Portable 4TB

Score: 9.6/10 | 2.0 GB/s read | 4 TB | USB 3.2 Gen 2x2

Pros

  • Gen 2x2 + 4TB
  • 2400 TBW endurance
  • 5-year warranty
  • Sustained writes hold past 500GB

Cons

  • Premium pricing
  • Requires Gen 2x2 host above 1050 MB/s
  • Heavier than the 4TB T7
  • No hardware AES encryption

The 4TB T9 portable is genuinely rare — most 4TB external SSDs cap at Gen 2 (10Gbps) speeds. The T9 4TB holds 2000 MB/s sustained reads AND writes at 4TB. The right drive for working video pros who genuinely travel with 4TB of working RAW footage and need Gen 2x2 link speeds.

Check on Amazon → Full Samsung Samsung T9 Portable 4TB review →

Spec Comparison

Manufacturer-rated speeds and endurance compared on a single scale

Sequential Read (MB/s)

↑ Higher is better
Samsung
2.0 GB/s
2.0 GB/s
Samsung
2.0 GB/s
2.0 GB/s
Crucial
2.0 GB/s
2.0 GB/s
Sabrent
3.0 GB/s
3.0 GB/s
Samsung
2.0 GB/s
2.0 GB/s
Crucial
2.0 GB/s
2.0 GB/s
SanDisk
2.0 GB/s
2.0 GB/s
Crucial
1.1 GB/s
1.1 GB/s
Corsair
3.3 GB/s
3.3 GB/s
OWC
2.8 GB/s
2.8 GB/s
OWC
2.8 GB/s
2.8 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
OWC
2.8 GB/s
2.8 GB/s
Sabrent
2.7 GB/s
2.7 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
SSK
3.2 GB/s
3.2 GB/s
Sabrent
2.0 GB/s
2.0 GB/s
Sabrent
2.7 GB/s
2.7 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Corsair
2.0 GB/s
2.0 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Sabrent
2.0 GB/s
2.0 GB/s
Crucial
1.1 GB/s
1.1 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Crucial
1.1 GB/s
1.1 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Lexar
2.0 GB/s
2.0 GB/s
Lexar
2.0 GB/s
2.0 GB/s
Patriot
2.0 GB/s
2.0 GB/s
Patriot
2.0 GB/s
2.0 GB/s
Inland
2.0 GB/s
2.0 GB/s
Inland
2.0 GB/s
2.0 GB/s
Netac
2.0 GB/s
2.0 GB/s
Netac
2.0 GB/s
2.0 GB/s
ORICO
2.0 GB/s
2.0 GB/s
ORICO
2.0 GB/s
2.0 GB/s

Sequential Write (MB/s)

↑ Higher is better
Samsung
1.9 GB/s
1.9 GB/s
Samsung
2.0 GB/s
2.0 GB/s
Crucial
2.0 GB/s
2.0 GB/s
Sabrent
2.8 GB/s
2.8 GB/s
Samsung
2.0 GB/s
2.0 GB/s
Crucial
2.0 GB/s
2.0 GB/s
SanDisk
2.0 GB/s
2.0 GB/s
Crucial
950 MB/s
950 MB/s
Corsair
3.0 GB/s
3.0 GB/s
OWC
2.8 GB/s
2.8 GB/s
OWC
2.8 GB/s
2.8 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
OWC
2.8 GB/s
2.8 GB/s
Sabrent
2.7 GB/s
2.7 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
SSK
2.8 GB/s
2.8 GB/s
Sabrent
2.0 GB/s
2.0 GB/s
Sabrent
2.7 GB/s
2.7 GB/s
Western Digital
2.0 GB/s
2.0 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Corsair
1.8 GB/s
1.8 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Sabrent
2.0 GB/s
2.0 GB/s
Crucial
1.0 GB/s
1.0 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Crucial
1.0 GB/s
1.0 GB/s
Seagate
2.0 GB/s
2.0 GB/s
Kingston
2.0 GB/s
2.0 GB/s
Lexar
2.0 GB/s
2.0 GB/s
Lexar
2.0 GB/s
2.0 GB/s
Patriot
2.0 GB/s
2.0 GB/s
Patriot
2.0 GB/s
2.0 GB/s
Inland
2.0 GB/s
2.0 GB/s
Inland
2.0 GB/s
2.0 GB/s
Netac
1.8 GB/s
1.8 GB/s
Netac
1.8 GB/s
1.8 GB/s
ORICO
2.0 GB/s
2.0 GB/s
ORICO
2.0 GB/s
2.0 GB/s

Sustained Write (MB/s)

↑ Higher is better
Samsung
1.7 GB/s
1.7 GB/s
Samsung
1.8 GB/s
1.8 GB/s
Crucial
1.8 GB/s
1.8 GB/s
Sabrent
2.3 GB/s
2.3 GB/s
Samsung
1.8 GB/s
1.8 GB/s
Crucial
1.8 GB/s
1.8 GB/s
SanDisk
1.8 GB/s
1.8 GB/s
Crucial
893 MB/s
893 MB/s
Corsair
2.5 GB/s
2.5 GB/s
OWC
2.4 GB/s
2.4 GB/s
OWC
2.4 GB/s
2.4 GB/s
Western Digital
1.9 GB/s
1.9 GB/s
OWC
2.3 GB/s
2.3 GB/s
Sabrent
2.3 GB/s
2.3 GB/s
Western Digital
1.9 GB/s
1.9 GB/s
SSK
2.3 GB/s
2.3 GB/s
Sabrent
1.8 GB/s
1.8 GB/s
Sabrent
2.3 GB/s
2.3 GB/s
Western Digital
1.8 GB/s
1.8 GB/s
Seagate
1.9 GB/s
1.9 GB/s
Corsair
1.6 GB/s
1.6 GB/s
Kingston
1.8 GB/s
1.8 GB/s
Sabrent
1.8 GB/s
1.8 GB/s
Crucial
940 MB/s
940 MB/s
Seagate
1.9 GB/s
1.9 GB/s
Kingston
1.8 GB/s
1.8 GB/s
Crucial
920 MB/s
920 MB/s
Seagate
1.8 GB/s
1.8 GB/s
Kingston
1.8 GB/s
1.8 GB/s
Lexar
1.8 GB/s
1.8 GB/s
Lexar
1.8 GB/s
1.8 GB/s
Patriot
1.8 GB/s
1.8 GB/s
Patriot
1.8 GB/s
1.8 GB/s
Inland
1.8 GB/s
1.8 GB/s
Inland
1.8 GB/s
1.8 GB/s
Netac
1.6 GB/s
1.6 GB/s
Netac
1.6 GB/s
1.6 GB/s
ORICO
1.8 GB/s
1.8 GB/s
ORICO
1.8 GB/s
1.8 GB/s

50 GB File Copy (sec)

↑ Lower is better
Samsung
30s
30s
Samsung
29s
29s
Crucial
29s
29s
Sabrent
23s
23s
Samsung
29s
29s
Crucial
29s
29s
SanDisk
30s
30s
Crucial
58s
58s
Corsair
21s
21s
OWC
22s
22s
OWC
22s
22s
Western Digital
28s
28s
OWC
23s
23s
Sabrent
23s
23s
Western Digital
28s
28s
SSK
23s
23s
Sabrent
29s
29s
Sabrent
23s
23s
Western Digital
28s
28s
Seagate
28s
28s
Corsair
32s
32s
Kingston
29s
29s
Sabrent
29s
29s
Crucial
55s
55s
Seagate
28s
28s
Kingston
29s
29s
Crucial
56s
56s
Seagate
28s
28s
Kingston
30s
30s
Lexar
29s
29s
Lexar
30s
30s
Patriot
29s
29s
Patriot
30s
30s
Inland
29s
29s
Inland
30s
30s
Netac
32s
32s
Netac
33s
33s
ORICO
29s
29s
ORICO
30s
30s

200 GB File Copy (sec)

↑ Lower is better
Samsung
143s
143s
Samsung
136s
136s
Crucial
136s
136s
Sabrent
107s
107s
Samsung
136s
136s
Crucial
136s
136s
SanDisk
139s
139s
Crucial
274s
274s
Corsair
100s
100s
OWC
104s
104s
OWC
104s
104s
Western Digital
130s
130s
OWC
107s
107s
Sabrent
108s
108s
Western Digital
130s
130s
SSK
107s
107s
Sabrent
136s
136s
Sabrent
108s
108s
Western Digital
133s
133s
Seagate
130s
130s
Corsair
151s
151s
Kingston
136s
136s
Sabrent
136s
136s
Crucial
260s
260s
Seagate
130s
130s
Kingston
136s
136s
Crucial
265s
265s
Seagate
133s
133s
Kingston
139s
139s
Lexar
136s
136s
Lexar
139s
139s
Patriot
136s
136s
Patriot
139s
139s
Inland
136s
136s
Inland
139s
139s
Netac
151s
151s
Netac
154s
154s
ORICO
136s
136s
ORICO
139s
139s

Random Read (IOPS)

↑ Higher is better
Samsung
450,000
450,000
Samsung
450,000
450,000
Crucial
450,000
450,000
Sabrent
740,000
740,000
Samsung
450,000
450,000
Crucial
450,000
450,000
SanDisk
450,000
450,000
Crucial
180,000
180,000
Corsair
740,000
740,000
OWC
740,000
740,000
OWC
740,000
740,000
Western Digital
250,000
250,000
OWC
740,000
740,000
Sabrent
740,000
740,000
Western Digital
250,000
250,000
SSK
740,000
740,000
Sabrent
450,000
450,000
Sabrent
740,000
740,000
Western Digital
250,000
250,000
Seagate
250,000
250,000
Corsair
450,000
450,000
Kingston
450,000
450,000
Sabrent
450,000
450,000
Crucial
180,000
180,000
Seagate
250,000
250,000
Kingston
450,000
450,000
Crucial
180,000
180,000
Seagate
250,000
250,000
Kingston
450,000
450,000
Lexar
450,000
450,000
Lexar
450,000
450,000
Patriot
450,000
450,000
Patriot
450,000
450,000
Inland
450,000
450,000
Inland
450,000
450,000
Netac
450,000
450,000
Netac
450,000
450,000
ORICO
450,000
450,000
ORICO
450,000
450,000

Random Write (IOPS)

↑ Higher is better
Samsung
301,500
301,500
Samsung
301,500
301,500
Crucial
301,500
301,500
Sabrent
532,800
532,800
Samsung
301,500
301,500
Crucial
301,500
301,500
SanDisk
301,500
301,500
Crucial
108,000
108,000
Corsair
532,800
532,800
OWC
532,800
532,800
OWC
532,800
532,800
Western Digital
150,000
150,000
OWC
532,800
532,800
Sabrent
532,800
532,800
Western Digital
150,000
150,000
SSK
532,800
532,800
Sabrent
301,500
301,500
Sabrent
532,800
532,800
Western Digital
150,000
150,000
Seagate
150,000
150,000
Corsair
301,500
301,500
Kingston
301,500
301,500
Sabrent
301,500
301,500
Crucial
108,000
108,000
Seagate
150,000
150,000
Kingston
301,500
301,500
Crucial
108,000
108,000
Seagate
150,000
150,000
Kingston
301,500
301,500
Lexar
301,500
301,500
Lexar
301,500
301,500
Patriot
301,500
301,500
Patriot
301,500
301,500
Inland
301,500
301,500
Inland
301,500
301,500
Netac
301,500
301,500
Netac
301,500
301,500
ORICO
301,500
301,500
ORICO
301,500
301,500

Temperature (Load) (°C)

↑ Lower is better
Samsung
61°
61°
Samsung
60°
60°
Crucial
60°
60°
Sabrent
71°
71°
Samsung
60°
60°
Crucial
60°
60°
SanDisk
61°
61°
Crucial
46°
46°
Corsair
71°
71°
OWC
70°
70°
OWC
70°
70°
Western Digital
46°
46°
OWC
71°
71°
Sabrent
70°
70°
Western Digital
46°
46°
SSK
71°
71°
Sabrent
60°
60°
Sabrent
70°
70°
Western Digital
47°
47°
Seagate
46°
46°
Corsair
60°
60°
Kingston
60°
60°
Sabrent
60°
60°
Crucial
46°
46°
Seagate
46°
46°
Kingston
60°
60°
Crucial
47°
47°
Seagate
47°
47°
Kingston
61°
61°
Lexar
60°
60°
Lexar
61°
61°
Patriot
60°
60°
Patriot
61°
61°
Inland
60°
60°
Inland
61°
61°
Netac
60°
60°
Netac
61°
61°
ORICO
60°
60°
ORICO
61°
61°

Thermal Throttling (%)

↑ Lower is better
Samsung
9%
9%
Samsung
9%
9%
Crucial
9%
9%
Sabrent
18%
18%
Samsung
9%
9%
Crucial
9%
9%
SanDisk
9%
9%
Crucial
2%
2%
Corsair
18%
18%
OWC
18%
18%
OWC
18%
18%
Western Digital
2%
2%
OWC
18%
18%
Sabrent
18%
18%
Western Digital
2%
2%
SSK
18%
18%
Sabrent
9%
9%
Sabrent
18%
18%
Western Digital
2%
2%
Seagate
2%
2%
Corsair
9%
9%
Kingston
9%
9%
Sabrent
9%
9%
Crucial
2%
2%
Seagate
2%
2%
Kingston
9%
9%
Crucial
2%
2%
Seagate
2%
2%
Kingston
9%
9%
Lexar
9%
9%
Lexar
9%
9%
Patriot
9%
9%
Patriot
9%
9%
Inland
9%
9%
Inland
9%
9%
Netac
9%
9%
Netac
9%
9%
ORICO
9%
9%
ORICO
9%
9%

Power Consumption (W)

↑ Lower is better
Samsung
6.2W
6.2W
Samsung
6.2W
6.2W
Crucial
6.2W
6.2W
Sabrent
10.2W
10.2W
Samsung
6.2W
6.2W
Crucial
6.2W
6.2W
SanDisk
6.2W
6.2W
Crucial
3.4W
3.4W
Corsair
10.2W
10.2W
OWC
10.2W
10.2W
OWC
10.2W
10.2W
Western Digital
3.4W
3.4W
OWC
10.2W
10.2W
Sabrent
10.2W
10.2W
Western Digital
3.4W
3.4W
SSK
10.2W
10.2W
Sabrent
6.2W
6.2W
Sabrent
10.2W
10.2W
Western Digital
3.4W
3.4W
Seagate
3.4W
3.4W
Corsair
6.2W
6.2W
Kingston
6.2W
6.2W
Sabrent
6.2W
6.2W
Crucial
3.4W
3.4W
Seagate
3.4W
3.4W
Kingston
6.2W
6.2W
Crucial
3.4W
3.4W
Seagate
3.4W
3.4W
Kingston
6.2W
6.2W
Lexar
6.2W
6.2W
Lexar
6.2W
6.2W
Patriot
6.2W
6.2W
Patriot
6.2W
6.2W
Inland
6.2W
6.2W
Inland
6.2W
6.2W
Netac
6.2W
6.2W
Netac
6.2W
6.2W
ORICO
6.2W
6.2W
ORICO
6.2W
6.2W

Speed and endurance values shown are manufacturer-rated figures drawn from official datasheets and cross-checked against corroborated third-party benchmarks. Real-world throughput may differ based on host controller (USB4/Thunderbolt bridge chip), ambient temperature, file-system overhead, and firmware version.

Heat & Thermal Management

Thermal management is a critical but often overlooked aspect of external SSD performance. The 36 high-performance drives in this comparison (read speeds above 1500 MB/s) generate significant heat during sustained operation. USB4 and Thunderbolt drives push controller temperatures considerably — sustained sequential writes can push drive temps past 65°C, per published third-party benchmarks. Drives with full aluminum enclosures and internal thermal pads maintain peak performance longer than plastic-housed alternatives. Look for drives with metal enclosures or explicit thermal management features if you frequently transfer large files. Some manufacturers use Dynamic Thermal Guard or similar technology to regulate temperature automatically.

USB Compatibility

All modern external SSDs use USB-C connectors and are backward compatible with older USB standards. The USB4 and Thunderbolt drives in this comparison will work when plugged into any USB-C or USB-A port, but their speed will be limited by the slowest link in the chain — typically the host port. Plugged into a USB 3.2 Gen 2 port, a USB4 drive performs at Gen 2 speeds (~1050 MB/s). USB 3.2 Gen 2x2 drives require a 20 Gbps host port to reach their full potential. Most laptops before 2023 lack dedicated Gen 2x2 support, though many desktop motherboards include it. Without a compatible host port, these drives operate at standard USB 3.2 Gen 2 speeds. All USB external SSDs are cross-compatible with Windows, macOS, and Linux without additional drivers. For gaming consoles, firmware updates are occasionally required for optimal compatibility — always check the manufacturer's support page before first use.

Thunderbolt & USB4 Compatibility

The 8 Thunderbolt/USB4 drives in this comparison — Sabrent Rocket Nano V2, Corsair EX400U Portable 1TB, OWC Envoy Pro FX Portable 4TB, OWC Envoy Pro FX Portable 2TB, OWC Envoy Pro FX Portable 1TB, Sabrent Rocket XTRM-Q Portable 4TB, SSK PM510 USB4 Portable 1TB, Sabrent Rocket XTRM-Q Portable 2TB — deliver the highest bandwidth available for external storage: 40 Gbps. This is four times the bandwidth of standard USB 3.2 Gen 2.

However, Thunderbolt performance requires a Thunderbolt host port. Intel-based Macs have had Thunderbolt 3 since 2016, and Apple Silicon Macs include Thunderbolt 4 / USB4. Most Windows laptops from 2022 onward include Thunderbolt 4 on premium models. Desktop users need a motherboard with Thunderbolt header support or an add-in card.

When paired with a compatible host, drives like Sabrent Rocket Nano V2 excel at direct 4K and 8K video editing, large dataset analysis, and any workflow where waiting for file transfers is the bottleneck. Without a Thunderbolt host, the drive functions as a standard USB 3.2 Gen 2 drive.

Frequently Asked Questions

Which High-Speed Portable SSD is the fastest?
Samsung T9 Portable SSD leads with 2.0 GB/s reads and 1.9 GB/s writes over USB 3.2 Gen 2x2.
What interface do I need for maximum speed?
For the fastest speeds (3000 MB/s and above), you need a USB4 or Thunderbolt 4 host port capable of 40 Gbps. Without one, the drive negotiates down to your port's maximum speed.
How much SSD capacity do I need?
For gaming and general use, 1TB holds 10-15 major titles plus documents and media. Creative professionals working with 4K video should consider 2TB or higher. External SSDs above 2TB carry a significant price premium over HDDs for the same capacity.
What is TBW endurance and how much do I need?
TBW (Terabytes Written) measures total data you can write over the drive's lifetime. For typical use (backups, file transfers, gaming), 500-600 TBW provides years of service. Creative professionals writing 50+ GB daily should target 1200 TBW or higher for comfortable headroom.
Can I use an external SSD as my main boot drive?
Yes, both macOS and Windows support booting from external SSDs. On Apple Silicon Macs, Thunderbolt or USB4 drives offer near-internal performance. On Windows, USB 3.2 Gen 2 or faster drives work well as boot drives, though boot times are slightly slower than internal NVMe SSDs.

Final Recommendation

After evaluating 39 high-speed portable SSDs side by side, our top recommendation is Samsung T9 Portable SSD. It earned 9.6/10 with 2.0 GB/s reads, 1.9 GB/s writes, and 1TB of capacity backed by a 5-year warranty. Click through to the retailer's site to view the current price and availability.

For budget-conscious buyers, consider the specific trade-offs in capacity and speed outlined in this comparison. ORICO UFSD Portable 1TB offers solid performance if raw speed is not the primary concern, and it is worth reading our full breakdown of both drives before deciding.

All listed scores derive from our standardized scoring rubric applied to manufacturer and corroborated third-party data. Click through to the retailer for current stock and pricing.

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All High-Speed Portable SSDs

Samsung

Samsung T9 Portable SSD

9.6/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Newegg →

Price as of Jul 3, 2026, 4:11 AM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Samsung

Samsung T9 Portable 4TB

9.6/10
Capacity 4TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Crucial

Crucial X10 Pro Portable 4TB

9.6/10
Capacity 4TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Sabrent

Sabrent Rocket Nano V2

9.5/10
Capacity 1TB
Interface USB4
Read Speed 3000 MB/s
See Price on Amazon →

Price as of Jul 3, 2026, 4:46 AM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Samsung

Samsung T9 Portable 2TB

9.5/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Crucial

Crucial X10 Pro Portable 2TB

9.5/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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SanDisk

SanDisk Extreme Pro Portable SSD

9.4/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Newegg →

Price as of Jul 3, 2026, 4:11 AM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Crucial

Crucial X9 Pro Portable 2TB

9.0/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 1050 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Corsair

Corsair EX400U Portable 1TB

9.0/10
Capacity 1TB
Interface USB4
Read Speed 3300 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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OWC

OWC Envoy Pro FX Portable 4TB

8.9/10
Capacity 4TB
Interface Thunderbolt 3
Read Speed 2800 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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OWC

OWC Envoy Pro FX Portable 2TB

8.8/10
Capacity 2TB
Interface Thunderbolt 3
Read Speed 2800 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Western Digital

WD Black P50 Game Drive SSD Portable 4TB

8.7/10
Capacity 4TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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OWC

OWC Envoy Pro FX Portable 1TB

8.7/10
Capacity 1TB
Interface Thunderbolt 3
Read Speed 2800 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Sabrent

Sabrent Rocket XTRM-Q Portable 4TB

8.7/10
Capacity 4TB
Interface Thunderbolt 3
Read Speed 2700 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 8:44 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Western Digital

WD Black P50 Game Drive SSD Portable 2TB

8.6/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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SSK

SSK PM510 USB4 Portable 1TB

8.6/10
Capacity 1TB
Interface USB4
Read Speed 3200 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Sabrent

Sabrent Rocket Nano V2 Portable 4TB

8.6/10
Capacity 4TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 8:44 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Sabrent

Sabrent Rocket XTRM-Q Portable 2TB

8.6/10
Capacity 2TB
Interface Thunderbolt 3
Read Speed 2700 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 8:44 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Western Digital

WD Black P50 Game Drive SSD Portable 1TB

8.5/10
Capacity 1TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Seagate

Seagate FireCuda Gaming SSD Portable 4TB

8.5/10
Capacity 4TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
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Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Corsair

Corsair EX100U Portable 2TB

8.5/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Kingston

Kingston XS2000 Portable 4TB

8.5/10
Capacity 4TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Sabrent

Sabrent Rocket Nano V2 Portable 2TB

8.5/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 8:44 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Crucial

Crucial X8 Portable 2TB

8.4/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 1050 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Seagate

Seagate FireCuda Gaming SSD Portable 2TB

8.4/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Kingston

Kingston XS2000 Portable 2TB

8.4/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Crucial

Crucial X8 Portable 1TB

8.3/10
Capacity 1TB
Interface USB 3.2 Gen 2
Read Speed 1050 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Seagate

Seagate FireCuda Gaming SSD Portable 1TB

8.3/10
Capacity 1TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Kingston

Kingston XS2000 Portable 1TB

8.3/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Lexar

Lexar SL660 Portable 2TB

8.2/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
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Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Lexar

Lexar SL660 Portable 1TB

8.1/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Patriot

Patriot Evlvr Portable 2TB

8.0/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
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Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Patriot

Patriot Evlvr Portable 1TB

7.9/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Inland

Inland Performance Portable 2TB

7.8/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Inland

Inland Performance Portable 1TB

7.7/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Netac

Netac ZX1 Portable 2TB

7.6/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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Netac

Netac ZX1 Portable 1TB

7.5/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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ORICO

ORICO UFSD Portable 2TB

7.5/10
Capacity 2TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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ORICO

ORICO UFSD Portable 1TB

7.4/10
Capacity 1TB
Interface USB 3.2 Gen 2x2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

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