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External SSDs

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Corsair EX100U vs Corsair EX400U 1TB

Compare Corsair EX100U and Corsair EX400U 1TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Corsair

Corsair EX100U
8.2/10

High-performance external SSD with USB-C connectivity, ideal for gaming and content creation.

Good 1600MB/s read speeds
USB 3.2 Gen 2x2 interface
Attractive design
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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
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Spec Comparison

Spec
Corsair EX100U
Corsair EX400U 1TB
Read Speed
1.6 GB/s
3.3 GB/s ✓
Write Speed
1.5 GB/s
3.0 GB/s ✓
Capacity
2 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB4
Endurance (TBW)
900 TB ✓
600 TB
Warranty
3 Years
5 Years ✓
Score
8.2/10
9.0/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, Corsair EX100U or Corsair EX400U 1TB?
The Corsair EX400U 1TB scores 9.0/10 compared to 8.2/10 for the Corsair EX100U. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.
What's the difference between Corsair EX100U and Corsair EX400U 1TB?
The key differences: The Corsair EX100U offers 1,600 MB/s reads vs 3,300 MB/s for the Corsair EX400U 1TB. Capacity options differ: Corsair EX100U is 2TB while Corsair EX400U 1TB is 1TB. The Corsair EX100U uses USB 3.2 Gen 2x2 while the Corsair EX400U 1TB uses USB4.
Which is faster, Corsair EX100U or Corsair EX400U 1TB?
The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 1,600 MB/s for the Corsair EX100U. That's a 106% speed advantage.
Which has better value, Corsair EX100U or Corsair EX400U 1TB?
The Corsair EX400U 1TB scores higher (9.0 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Corsair EX100U vs Samsung T9 2TB → Corsair EX400U 1TB vs Samsung T9 2TB →
Corsair EX100U vs Samsung T9 Portable SSD → Corsair EX400U 1TB vs Samsung T9 Portable SSD →
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Corsair EX100U vs Samsung T7 4TB → Corsair EX400U 1TB vs Samsung T7 4TB →