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External SSDs

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Samsung T9 Portable 4TB vs Corsair EX400U USB4

Compare Samsung T9 Portable 4TB and Corsair EX400U USB4 side by side. Both are 4TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Samsung

Samsung T9 Portable 4TB
9.3/10

Blazing-fast 4TB external SSD with USB 3.2 Gen 2x2 speeds up to 2000MB/s. Perfect for content creators with massive file libraries.

4TB capacity with 2000MB/s read speeds
USB 3.2 Gen 2x2 interface
Sleek all-aluminum build

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

Spec Comparison

Spec
Samsung T9 Portable 4TB
Corsair EX400U USB4
Read Speed
2.0 GB/s
4.0 GB/s ✓
Write Speed
1.9 GB/s
3.6 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB4
Endurance (TBW)
1,200 TB ✓
700 TB
Warranty
5 Years
5 Years
Score
9.3/10 ✓
9.2/10
Total Wins
3 wins
2 wins

Frequently Asked Questions

Which is better, Samsung T9 Portable 4TB or Corsair EX400U USB4?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 9.2/10 for the Corsair EX400U USB4. Our expert analysis favors the Samsung T9 Portable 4TB for its superior value.
What's the difference between Samsung T9 Portable 4TB and Corsair EX400U USB4?
The key differences: The Samsung T9 Portable 4TB offers 2,000 MB/s reads vs 4,000 MB/s for the Corsair EX400U USB4. Capacity options differ: Samsung T9 Portable 4TB is 4TB while Corsair EX400U USB4 is 1TB. The Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2 while the Corsair EX400U USB4 uses USB4.
Which is faster, Samsung T9 Portable 4TB or Corsair EX400U USB4?
The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 2,000 MB/s for the Samsung T9 Portable 4TB. That's a 100% speed advantage.
Which has better value, Samsung T9 Portable 4TB or Corsair EX400U USB4?
The Samsung T9 Portable 4TB scores higher (9.3 vs 9.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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