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Corsair EX400U USB4 vs Samsung T9 Portable 4TB

Compare Corsair EX400U USB4 and Samsung T9 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 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

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

Spec Comparison

Spec

Corsair EX400U USB4

Samsung T9 Portable 4TB

Read Speed

4.0 GB/s ✓

2.0 GB/s

Write Speed

3.6 GB/s ✓

1.9 GB/s

Capacity

1 TB

4 TB ✓

Interface

USB4

USB 3.2 Gen 2x2

Endurance (TBW)

700 TB

1,200 TB ✓

Warranty

5 Years

Score

9.2/10

9.3/10 ✓

Total Wins

2 wins

3 wins

Frequently Asked Questions

Which is better, Corsair EX400U USB4 or Samsung T9 Portable 4TB?

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 Corsair EX400U USB4 and Samsung T9 Portable 4TB?

The key differences: The Corsair EX400U USB4 offers 4,000 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: Corsair EX400U USB4 is 1TB while Samsung T9 Portable 4TB is 4TB. The Corsair EX400U USB4 uses USB4 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.

Which is faster, Corsair EX400U USB4 or Samsung T9 Portable 4TB?

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, Corsair EX400U USB4 or Samsung T9 Portable 4TB?

Check current prices at our linked retailers for the latest value comparison.

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