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Portable SSDs

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Corsair EX400U Portable 1TB vs Samsung T9 Portable 2TB

Compare Corsair EX400U Portable 1TB and Samsung T9 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.

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 T9 Portable 2TB
9.5/10

The 2TB T9 portable doubles the write endurance of the 1TB T9. The T9's premium for the Gen 2x2 link matters on portable workflow where you're moving enormous files regularly — PS5 game imports, large B-roll offloads — and don't want to wait Gen 2 speeds.

Gen 2x2 2000/2000 MB/s
5-year warranty
Sustained writes hold past 300GB
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Spec Comparison

Spec
Corsair EX400U Portable 1TB
Samsung T9 Portable 2TB
Read Speed
3.3 GB/s ✓
2.0 GB/s
Write Speed
3.0 GB/s ✓
2.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
5 Years
5 Years
Score
9.0/10
9.5/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, Corsair EX400U Portable 1TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores 9.5/10 compared to 9.0/10 for the Corsair EX400U Portable 1TB. Our expert analysis favors the Samsung T9 Portable 2TB for its superior value.
What's the difference between Corsair EX400U Portable 1TB and Samsung T9 Portable 2TB?
The key differences: The Corsair EX400U Portable 1TB offers 3,300 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 2TB. Capacity options differ: Corsair EX400U Portable 1TB is 1TB while Samsung T9 Portable 2TB is 2TB. The Corsair EX400U Portable 1TB uses USB4 while the Samsung T9 Portable 2TB uses USB 3.2 Gen 2x2.
Which is faster, Corsair EX400U Portable 1TB or Samsung T9 Portable 2TB?
The Corsair EX400U Portable 1TB is faster with 3,300 MB/s read speeds compared to 2,000 MB/s for the Samsung T9 Portable 2TB. That's a 65% speed advantage.
Which has better value, Corsair EX400U Portable 1TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores higher (9.5 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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