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Corsair EX400U 1TB vs Crucial X8 2TB

Compare Corsair EX400U 1TB and Crucial X8 2TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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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Crucial

Crucial X8 2TB

8.4/10

A 2TB solid-aluminum Crucial X8 — a previous-generation premium drive that often goes on clearance at discount retailers. Worth it when the price beats the equivalent X9 Pro by $30+.

Aluminum unibody

1050/1000 MB/s sustained

3-year warranty

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Spec Comparison

Spec

Corsair EX400U 1TB

Crucial X8 2TB

Read Speed

3.3 GB/s ✓

1.1 GB/s

Write Speed

3.0 GB/s ✓

1.0 GB/s

Capacity

1 TB

2 TB ✓

Interface

USB4

USB 3.2 Gen 2

Endurance (TBW)

600 TB

1,200 TB ✓

Warranty

5 Years ✓

3 Years

Score

9.0/10 ✓

8.4/10

Total Wins

4 wins

2 wins

Frequently Asked Questions

Which is better, Corsair EX400U 1TB or Crucial X8 2TB?

The Corsair EX400U 1TB scores 9.0/10 compared to 8.4/10 for the Crucial X8 2TB. Our expert analysis favors the Corsair EX400U 1TB for its superior speed.

What's the difference between Corsair EX400U 1TB and Crucial X8 2TB?

The key differences: The Corsair EX400U 1TB offers 3,300 MB/s reads vs 1,050 MB/s for the Crucial X8 2TB. Capacity options differ: Corsair EX400U 1TB is 1TB while Crucial X8 2TB is 2TB. The Corsair EX400U 1TB uses USB4 while the Crucial X8 2TB uses USB 3.2 Gen 2.

Which is faster, Corsair EX400U 1TB or Crucial X8 2TB?

The Corsair EX400U 1TB is faster with 3,300 MB/s read speeds compared to 1,050 MB/s for the Crucial X8 2TB. That's a 214% speed advantage.

Which has better value, Corsair EX400U 1TB or Crucial X8 2TB?

The Corsair EX400U 1TB scores higher (9.0 vs 8.4/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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