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Portable SSDs

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Corsair EX400U Portable 1TB vs Samsung T7 Portable 4TB

Compare Corsair EX400U Portable 1TB and Samsung T7 Portable 4TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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
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Our Pick

Samsung

Samsung T7 Portable 4TB
9.4/10

The 4TB T7 is the convenience-grade size for travelers who carry whole media libraries — full photo shoots, complete plex libraries, plus Time Machine backup. 2400 TBW on the 4TB tier is meaningful endurance for a portable.

4TB portable Gen 2
2400 TBW endurance
Sustained writes pegged
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Spec Comparison

Spec
Corsair EX400U Portable 1TB
Samsung T7 Portable 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
9.4/10 ✓
Total Wins
3 wins
3 wins

Frequently Asked Questions

Which is better, Corsair EX400U Portable 1TB or Samsung T7 Portable 4TB?
The Samsung T7 Portable 4TB scores 9.4/10 compared to 9.0/10 for the Corsair EX400U Portable 1TB. Our expert analysis favors the Samsung T7 Portable 4TB for its superior value.
What's the difference between Corsair EX400U Portable 1TB and Samsung T7 Portable 4TB?
The key differences: The Corsair EX400U Portable 1TB offers 3,300 MB/s reads vs 1,050 MB/s for the Samsung T7 Portable 4TB. Capacity options differ: Corsair EX400U Portable 1TB is 1TB while Samsung T7 Portable 4TB is 4TB. The Corsair EX400U Portable 1TB uses USB4 while the Samsung T7 Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U Portable 1TB or Samsung T7 Portable 4TB?
The Corsair EX400U Portable 1TB is faster with 3,300 MB/s read speeds compared to 1,050 MB/s for the Samsung T7 Portable 4TB. That's a 214% speed advantage.
Which has better value, Corsair EX400U Portable 1TB or Samsung T7 Portable 4TB?
The Samsung T7 Portable 4TB scores higher (9.4 vs 9.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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