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.

OWC Envoy Pro FX Portable 4TB vs Seagate One Touch SSD Portable 500GB

Compare OWC Envoy Pro FX 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

OWC

OWC Envoy Pro FX Portable 4TB
8.9/10

4TB of Thunderbolt 3 in an aluminum unibody barely larger than the 1TB. The Envoy Pro FX 4TB is a niche-of-one -- buyers typically pay the premium for 6K/8K video editing workflows where sustained 2800 MB/s transfers plus 4TB of room actually matter.

Thunderbolt 3 + 4TB
Aluminum unibody
2800 MB/s sustained
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
OWC Envoy Pro FX Portable 4TB
Seagate One Touch SSD Portable 500GB
Read Speed
2.8 GB/s ✓
1.0 GB/s
Write Speed
2.8 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
8.9/10 ✓
7.5/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, OWC Envoy Pro FX Portable 4TB or Seagate One Touch SSD Portable 500GB?
The OWC Envoy Pro FX Portable 4TB scores 8.9/10 compared to 7.5/10 for the Seagate One Touch SSD Portable 500GB. Our expert analysis favors the OWC Envoy Pro FX Portable 4TB for its superior speed.
What's the difference between OWC Envoy Pro FX Portable 4TB and Seagate One Touch SSD Portable 500GB?
The key differences: The OWC Envoy Pro FX Portable 4TB offers 2,800 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. Capacity options differ: OWC Envoy Pro FX Portable 4TB is 4TB while Seagate One Touch SSD Portable 500GB is 500GB. The OWC Envoy Pro FX Portable 4TB uses Thunderbolt 3 while the Seagate One Touch SSD Portable 500GB uses USB 3.2 Gen 2.
Which is faster, OWC Envoy Pro FX Portable 4TB or Seagate One Touch SSD Portable 500GB?
The OWC Envoy Pro FX Portable 4TB is faster with 2,800 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. That's a 172% speed advantage.
Which has better value, OWC Envoy Pro FX Portable 4TB or Seagate One Touch SSD Portable 500GB?
The OWC Envoy Pro FX Portable 4TB scores higher (8.9 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

OWC Envoy Pro FX Portable 4TB vs Samsung T9 Portable SSD → Seagate One Touch SSD Portable 500GB vs Samsung T9 Portable SSD →
OWC Envoy Pro FX Portable 4TB vs Samsung T9 Portable 4TB → Seagate One Touch SSD Portable 500GB vs Samsung T9 Portable 4TB →
OWC Envoy Pro FX Portable 4TB vs Crucial X10 Pro Portable 4TB → Seagate One Touch SSD Portable 500GB vs Crucial X10 Pro Portable 4TB →
OWC Envoy Pro FX Portable 4TB vs Sabrent Rocket Nano V2 → Seagate One Touch SSD Portable 500GB vs Sabrent Rocket Nano V2 →