Skip to main content
Portable SSDs

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.

Sabrent Rocket XTRM-Q Portable 4TB vs Seagate One Touch SSD Portable 500GB

Compare Sabrent Rocket XTRM-Q Portable 4TB and Seagate One Touch SSD Portable 500GB side by side. Both are 4TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Sabrent

Sabrent Rocket XTRM-Q Portable 4TB
8.7/10

A 4TB Thunderbolt 3 portable SSD — unusual intersection of capacity and Thunderbolt-class speed. The XTRM-Q 4TB is portable-class storage for working 8K RED RAW video editors. Premium pricing matches the niche use case.

Thunderbolt 3 + 4TB
2700 MB/s sustained
Aluminum body
Check on Amazon →

Seagate

Seagate One Touch SSD Portable 500GB
7.5/10

A 500GB One Touch is Seagate's bottom-of-line portable SSD — usually the cheapest brand-name Gen 2 1TB-and-below portable at retail. The bundle includes Rescue data recovery (extending Seagate's warranty protection into physical damage recovery).

1030 MB/s read
Budget pricing
Both USB-C and USB-A cables
Check on Amazon →

Spec Comparison

Spec
Sabrent Rocket XTRM-Q Portable 4TB
Seagate One Touch SSD Portable 500GB
Read Speed
2.7 GB/s ✓
1.0 GB/s
Write Speed
2.7 GB/s ✓
1.0 GB/s
Capacity
4 TB ✓
500 GB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
300 TB
Warranty
3 Years
3 Years
Score
8.7/10 ✓
7.5/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, Sabrent Rocket XTRM-Q Portable 4TB or Seagate One Touch SSD Portable 500GB?
The Sabrent Rocket XTRM-Q Portable 4TB scores 8.7/10 compared to 7.5/10 for the Seagate One Touch SSD Portable 500GB. Our expert analysis favors the Sabrent Rocket XTRM-Q Portable 4TB for its superior speed.
What's the difference between Sabrent Rocket XTRM-Q Portable 4TB and Seagate One Touch SSD Portable 500GB?
The key differences: The Sabrent Rocket XTRM-Q Portable 4TB offers 2,700 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. Capacity options differ: Sabrent Rocket XTRM-Q Portable 4TB is 4TB while Seagate One Touch SSD Portable 500GB is 500GB. The Sabrent Rocket XTRM-Q Portable 4TB uses Thunderbolt 3 while the Seagate One Touch SSD Portable 500GB uses USB 3.2 Gen 2.
Which is faster, Sabrent Rocket XTRM-Q Portable 4TB or Seagate One Touch SSD Portable 500GB?
The Sabrent Rocket XTRM-Q Portable 4TB is faster with 2,700 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. That's a 162% speed advantage.
Which has better value, Sabrent Rocket XTRM-Q Portable 4TB or Seagate One Touch SSD Portable 500GB?
The Sabrent Rocket XTRM-Q Portable 4TB scores higher (8.7 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Sabrent Rocket XTRM-Q Portable 4TB vs Samsung T9 Portable SSD → Seagate One Touch SSD Portable 500GB vs Samsung T9 Portable SSD →
Sabrent Rocket XTRM-Q Portable 4TB vs Samsung T9 Portable 4TB → Seagate One Touch SSD Portable 500GB vs Samsung T9 Portable 4TB →
Sabrent Rocket XTRM-Q Portable 4TB vs Crucial X10 Pro Portable 4TB → Seagate One Touch SSD Portable 500GB vs Crucial X10 Pro Portable 4TB →
Sabrent Rocket XTRM-Q Portable 4TB vs Sabrent Rocket Nano V2 → Seagate One Touch SSD Portable 500GB vs Sabrent Rocket Nano V2 →