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 1TB vs WD My Passport SSD 4TB

Compare Corsair EX400U 1TB and WD My Passport SSD 4TB 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 1TB
9.0/10

A 1TB USB4 portable — 3300 MB/s read on a Thunderbolt 4 / USB4 host. The EX400U is the rare USB4 drive that supports the full 40Gbps link (not all USB4 drives do). 5-year warranty is best-in-class for the speed tier.

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

Western Digital

WD My Passport SSD 4TB
8.6/10

The 4TB My Passport SSD has a niche-of-one — the only 4TB USB-C portable from WD in this form factor. A viable T7 4TB competitor on sale, but check price moves against the Samsung before committing.

4TB in slim body
1050/1000 MB/s
Hardware encryption included
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U 1TB
WD My Passport SSD 4TB
Read Speed
3.3 GB/s ✓
1.1 GB/s
Write Speed
3.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
4 TB ✓
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.6/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or WD My Passport SSD 4TB?
The Corsair EX400U 1TB scores 9.0/10 compared to 8.6/10 for the WD My Passport SSD 4TB. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.
What's the difference between Corsair EX400U 1TB and WD My Passport SSD 4TB?
The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: Corsair EX400U 1TB is 1TB while WD My Passport SSD 4TB is 4TB. The Corsair EX400U 1TB uses USB4 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U 1TB or WD My Passport SSD 4TB?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD 4TB. That's a 214% speed advantage.
Which has better value, Corsair EX400U 1TB or WD My Passport SSD 4TB?
The Corsair EX400U 1TB scores higher (9.0 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Corsair EX400U 1TB vs Samsung T9 2TB → WD My Passport SSD 4TB vs Samsung T9 2TB →
Corsair EX400U 1TB vs Samsung T9 Portable SSD → WD My Passport SSD 4TB vs Samsung T9 Portable SSD →
Corsair EX400U 1TB vs Crucial X10 Pro 2TB → WD My Passport SSD 4TB vs Crucial X10 Pro 2TB →
Corsair EX400U 1TB vs Samsung T7 4TB → WD My Passport SSD 4TB vs Samsung T7 4TB →