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External SSDs

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Corsair EX100U 2TB vs Crucial X9 Pro 1TB

Compare Corsair EX100U 2TB and Crucial X9 Pro 1TB 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

Crucial

Crucial X9 Pro 1TB
9.0/10

A 1050 MB/s portable SSD for creators who need TLC NAND, hardware encryption, and a 5-year warranty at less than Extreme Pro prices. The X9 Pro is Crucial's premium Gen 2 line — it targets direct-edit workflows where sustained writes and write endurance matter more than headline speeds.

Real TLC NAND (not QLC)
5-year warranty
AES 256-bit hardware encryption
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Spec Comparison

Spec
Corsair EX100U 2TB
Crucial X9 Pro 1TB
Read Speed
2.0 GB/s ✓
1.1 GB/s
Write Speed
1.8 GB/s ✓
950 MB/s
Capacity
2 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
3 Years
5 Years ✓
Score
8.5/10
9.0/10 ✓
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, Corsair EX100U 2TB or Crucial X9 Pro 1TB?
The Crucial X9 Pro 1TB scores 9.0/10 compared to 8.5/10 for the Corsair EX100U 2TB. Our expert analysis favors the Crucial X9 Pro 1TB for its superior value.
What's the difference between Corsair EX100U 2TB and Crucial X9 Pro 1TB?
The key differences: The Corsair EX100U 2TB offers 2,000 MB/s reads vs 1,050 MB/s for the Crucial X9 Pro 1TB. Capacity options differ: Corsair EX100U 2TB is 2TB while Crucial X9 Pro 1TB is 1TB. The Corsair EX100U 2TB uses USB 3.2 Gen 2x2 while the Crucial X9 Pro 1TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX100U 2TB or Crucial X9 Pro 1TB?
The Corsair EX100U 2TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the Crucial X9 Pro 1TB. That's a 90% speed advantage.
Which has better value, Corsair EX100U 2TB or Crucial X9 Pro 1TB?
The Crucial X9 Pro 1TB scores higher (9.0 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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