Skip to main content
External 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.

Corsair EX400U USB4 vs OWC Envoy Pro FX 2TB

Compare Corsair EX400U USB4 and OWC Envoy Pro FX 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 USB4
9.2/10

High-bandwidth USB4 external SSD delivering up to 4,000MB/s reads with MagSafe compatibility. Perfect for creative professionals with Thunderbolt 4 and USB4 laptops.

Blazing 4000MB/s read speeds over USB4
MagSafe magnetic attachment for iPhone
Full Thunderbolt 4 backward compatibility
Check on Amazon →

OWC

OWC Envoy Pro FX 2TB
8.8/10

The 2TB Envoy Pro FX keeps the same small unibody of the 1TB but scales the die stack. The sustained write behavior on the 2TB stays pegged at 2800 MB/s well past 500GB on a Thunderbolt 3 host.

Thunderbolt 3 2800/2800 MB/s
Sustained writes hold past 500GB on 2TB
Aluminum unibody
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U USB4
OWC Envoy Pro FX 2TB
Read Speed
4.0 GB/s ✓
2.8 GB/s
Write Speed
3.6 GB/s ✓
2.8 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
Thunderbolt 3
Endurance (TBW)
700 TB
1,200 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
8.8/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U USB4 or OWC Envoy Pro FX 2TB?
The Corsair EX400U USB4 scores 9.2/10 compared to 8.8/10 for the OWC Envoy Pro FX 2TB. Our expert analysis favors the Corsair EX400U USB4 for its superior speed.
What's the difference between Corsair EX400U USB4 and OWC Envoy Pro FX 2TB?
The key differences: The Corsair EX400U USB4 offers 4,000 MB/s reads vs 2,800 MB/s for the OWC Envoy Pro FX 2TB. Capacity options differ: Corsair EX400U USB4 is 1TB while OWC Envoy Pro FX 2TB is 2TB. The Corsair EX400U USB4 uses USB4 while the OWC Envoy Pro FX 2TB uses Thunderbolt 3.
Which is faster, Corsair EX400U USB4 or OWC Envoy Pro FX 2TB?
The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 2,800 MB/s for the OWC Envoy Pro FX 2TB. That's a 43% speed advantage.
Which has better value, Corsair EX400U USB4 or OWC Envoy Pro FX 2TB?
The Corsair EX400U USB4 scores higher (9.2 vs 8.8/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Corsair EX400U USB4 vs Samsung T9 2TB → OWC Envoy Pro FX 2TB vs Samsung T9 2TB →
Corsair EX400U USB4 vs Samsung T9 Portable SSD → OWC Envoy Pro FX 2TB vs Samsung T9 Portable SSD →
Corsair EX400U USB4 vs Crucial X10 Pro 2TB → OWC Envoy Pro FX 2TB vs Crucial X10 Pro 2TB →
Corsair EX400U USB4 vs Samsung T7 4TB → OWC Envoy Pro FX 2TB vs Samsung T7 4TB →