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Corsair EX100U 2TB vs SanDisk Extreme Pro 4TB

Compare Corsair EX100U 2TB and SanDisk Extreme Pro 4TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Corsair

Corsair EX100U 2TB

8.5/10

A 2TB Gen 2x2 portable SSD in the same aluminum-and-rubber body as the 1TB. Write speed drops slightly to 1800 MB/s on the 2TB variant — a real-world trade-off for the larger NAND die. Still above 2GB/s on long transfers as long as the host is Gen 2x2.

Gen 2x2 speeds

2TB capacity

Both cables in box

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Our Pick

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

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Spec Comparison

Spec

Corsair EX100U 2TB

SanDisk Extreme Pro 4TB

Read Speed

2.0 GB/s

Write Speed

1.8 GB/s

2.0 GB/s ✓

Capacity

2 TB

4 TB ✓

Interface

USB 3.2 Gen 2x2

Endurance (TBW)

1,200 TB

Warranty

3 Years

5 Years ✓

Score

8.5/10

9.2/10 ✓

Total Wins

0 wins

4 wins

Frequently Asked Questions

Which is better, Corsair EX100U 2TB or SanDisk Extreme Pro 4TB?

The SanDisk Extreme Pro 4TB scores 9.2/10 compared to 8.5/10 for the Corsair EX100U 2TB. Our expert analysis favors the SanDisk Extreme Pro 4TB for its superior value.

What's the difference between Corsair EX100U 2TB and SanDisk Extreme Pro 4TB?

The key differences: The Corsair EX100U 2TB offers 2,000 MB/s reads vs 2,000 MB/s for the SanDisk Extreme Pro 4TB. Capacity options differ: Corsair EX100U 2TB is 2TB while SanDisk Extreme Pro 4TB is 4TB. The Corsair EX100U 2TB uses USB 3.2 Gen 2x2 while the SanDisk Extreme Pro 4TB uses USB 3.2 Gen 2x2.

Which is faster, Corsair EX100U 2TB or SanDisk Extreme Pro 4TB?

Both drives offer the same 2,000 MB/s read speeds.

Which has better value, Corsair EX100U 2TB or SanDisk Extreme Pro 4TB?

The SanDisk Extreme Pro 4TB scores higher (9.2 vs 8.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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