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Portable SSDs

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Corsair EX400U Portable 1TB vs OWC Envoy Pro FX Portable 2TB

Compare Corsair EX400U Portable 1TB and OWC Envoy Pro FX Portable 2TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Corsair

Corsair EX400U Portable 1TB
9.0/10

A USB4 portable from Corsair with 3300 MB/s read on Thunderbolt 4 / USB4 hosts - and the full 5-year warranty. The EX400U 1TB portable is a competitive USB4 entry point for video editors who need Thunderbolt-class speeds without the LaCie price tag.

USB4 3300 MB/s read
5-year warranty
Full 40Gbps USB4 link
Check on Amazon →

OWC

OWC Envoy Pro FX Portable 2TB
8.8/10

The 2TB Envoy Pro FX keeps the small unibody of the 1TB but scales the die stack. Sustained writes on the 2TB stay pegged at 2800 MB/s past 500GB on a Thunderbolt 3 host.

Thunderbolt 3 2800/2800 MB/s
Sustained writes hold past 500GB
Aluminum unibody
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U Portable 1TB
OWC Envoy Pro FX Portable 2TB
Read Speed
3.3 GB/s ✓
2.8 GB/s
Write Speed
3.0 GB/s ✓
2.8 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
Thunderbolt 3
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.8/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U Portable 1TB or OWC Envoy Pro FX Portable 2TB?
The Corsair EX400U Portable 1TB scores 9.0/10 compared to 8.8/10 for the OWC Envoy Pro FX Portable 2TB. Our expert analysis favors the Corsair EX400U Portable 1TB for its superior speed.
What's the difference between Corsair EX400U Portable 1TB and OWC Envoy Pro FX Portable 2TB?
The key differences: The Corsair EX400U Portable 1TB offers 3,300 MB/s reads vs 2,800 MB/s for the OWC Envoy Pro FX Portable 2TB. Capacity options differ: Corsair EX400U Portable 1TB is 1TB while OWC Envoy Pro FX Portable 2TB is 2TB. The Corsair EX400U Portable 1TB uses USB4 while the OWC Envoy Pro FX Portable 2TB uses Thunderbolt 3.
Which is faster, Corsair EX400U Portable 1TB or OWC Envoy Pro FX Portable 2TB?
The Corsair EX400U Portable 1TB is faster with 3,300 MB/s read speeds compared to 2,800 MB/s for the OWC Envoy Pro FX Portable 2TB. That's a 18% speed advantage.
Which has better value, Corsair EX400U Portable 1TB or OWC Envoy Pro FX Portable 2TB?
The Corsair EX400U Portable 1TB scores higher (9.0 vs 8.8/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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