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External SSDs

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OWC Envoy Pro FX 4TB vs Seagate One Touch SSD 500GB — Which External SSD Is Faster & Better Value?

Compare OWC Envoy Pro FX 4TB and Seagate One Touch SSD 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 4TB
8.9/10

4TB of Thunderbolt 3 storage 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 video editing workflows where 4000 MB/s sustained links plus 4TB of room actually matter.

Thunderbolt 3 + 4TB
Aluminum unibody
2800 sustained writes
Check on Amazon →

Seagate

Seagate One Touch SSD 500GB
7.6/10

The 500GB One Touch is Seagate's entry-level portable SSD — typically the cheapest brand-name 1050-class Gen 2 drive at retail. Speeds are real-world faster than rated for short transfers; the catch is that the SLC cache is tiny.

1030 MB/s read
Cheapest brand-name Gen 2 SSD class
Both cables included
Check on Amazon →

Spec Comparison

Spec
OWC Envoy Pro FX 4TB
Seagate One Touch SSD 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 ✓
7.6/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, OWC Envoy Pro FX 4TB or Seagate One Touch SSD 500GB?
The OWC Envoy Pro FX 4TB scores 8.9/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. Our expert analysis favors the OWC Envoy Pro FX 4TB for its superior speed.
What's the difference between OWC Envoy Pro FX 4TB and Seagate One Touch SSD 500GB?
The key differences: The OWC Envoy Pro FX 4TB offers 2,800 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 500GB. Capacity options differ: OWC Envoy Pro FX 4TB is 4TB while Seagate One Touch SSD 500GB is 500GB. The OWC Envoy Pro FX 4TB uses Thunderbolt 3 while the Seagate One Touch SSD 500GB uses USB 3.2 Gen 2.
Which is faster, OWC Envoy Pro FX 4TB or Seagate One Touch SSD 500GB?
The OWC Envoy Pro FX 4TB is faster with 2,800 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 500GB. That's a 172% speed advantage.
Which has better value, OWC Envoy Pro FX 4TB or Seagate One Touch SSD 500GB?
The OWC Envoy Pro FX 4TB scores higher (8.9 vs 7.6/10), 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 4TB vs Samsung T9 2TB → Seagate One Touch SSD 500GB vs Samsung T9 2TB →
OWC Envoy Pro FX 4TB vs Samsung T9 Portable SSD → Seagate One Touch SSD 500GB vs Samsung T9 Portable SSD →
OWC Envoy Pro FX 4TB vs Crucial X10 Pro 2TB → Seagate One Touch SSD 500GB vs Crucial X10 Pro 2TB →
OWC Envoy Pro FX 4TB vs Samsung T7 4TB → Seagate One Touch SSD 500GB vs Samsung T7 4TB →