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Corsair EX400U USB4 vs SanDisk Extreme Pro 4TB

Compare Corsair EX400U USB4 and SanDisk Extreme Pro 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

SanDisk

SanDisk Extreme Pro 4TB

9.2/10

Extreme 4TB portable SSD with 2000MB/s speeds and IP55 rating. The ultimate high-capacity drive for professionals on the go.

4TB capacity with 2000MB/s read and write

IP55 water and dust resistance

5-year warranty

Spec Comparison

Spec

Corsair EX400U USB4

SanDisk Extreme Pro 4TB

Read Speed

4.0 GB/s ✓

2.0 GB/s

Write Speed

3.6 GB/s ✓

2.0 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

Total Wins

2 wins

Frequently Asked Questions

Which is better, Corsair EX400U USB4 or SanDisk Extreme Pro 4TB?

Both drives score 9.2/10 in our expert testing. The best choice depends on your specific needs.

What's the difference between Corsair EX400U USB4 and SanDisk Extreme Pro 4TB?

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

Which is faster, Corsair EX400U USB4 or SanDisk Extreme Pro 4TB?

The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 2,000 MB/s for the SanDisk Extreme Pro 4TB. That's a 100% speed advantage.

Which has better value, Corsair EX400U USB4 or SanDisk Extreme Pro 4TB?

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

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