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Corsair EX400U USB4 vs SanDisk Extreme Pro Portable 2TB

Compare Corsair EX400U USB4 and SanDisk Extreme Pro 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 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

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SanDisk

SanDisk Extreme Pro Portable 2TB

9.2/10

The 2TB Extreme Pro is where SanDisk's ruggedization meets real-world capacity — enough room for a 4K video project, full Lightroom catalog, and Time Machine backup simultaneously. The IP55 shell handles trail dust and light rain where the T7 would not.

IP55 rugged body

5-year warranty

Both cables in box

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Spec Comparison

Spec

Corsair EX400U USB4

SanDisk Extreme Pro Portable 2TB

Read Speed

4.0 GB/s ✓

1.1 GB/s

Write Speed

3.6 GB/s ✓

1.0 GB/s

Capacity

1 TB

2 TB ✓

Interface

USB4

USB 3.2 Gen 2

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 Portable 2TB?

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 Portable 2TB?

The key differences: The Corsair EX400U USB4 offers 4,000 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Pro Portable 2TB. Capacity options differ: Corsair EX400U USB4 is 1TB while SanDisk Extreme Pro Portable 2TB is 2TB. The Corsair EX400U USB4 uses USB4 while the SanDisk Extreme Pro Portable 2TB uses USB 3.2 Gen 2.

Which is faster, Corsair EX400U USB4 or SanDisk Extreme Pro Portable 2TB?

The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 2TB. That's a 281% speed advantage.

Which has better value, Corsair EX400U USB4 or SanDisk Extreme Pro Portable 2TB?

Both drives score the same in our evaluation. Consider features, endurance, and warranty to determine which suits your needs better.

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