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External SSDs

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Crucial X9 Pro 2TB vs Lexar SL100 Pro 1TB

Compare Crucial X9 Pro 2TB and Lexar SL100 Pro 1TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Crucial

Crucial X9 Pro 2TB
9.1/10

The 2TB X9 Pro keeps the same sustained-write profile as the 1TB but with double the cache budget before throttle. A cost-effective workhorse drive for anyone editing directly off external storage.

Real TLC NAND
5-year warranty
Doubles sustained-write cache size
Check on Amazon →

Lexar

Lexar SL100 Pro 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
Check on Amazon →

Spec Comparison

Spec
Crucial X9 Pro 2TB
Lexar SL100 Pro 1TB
Read Speed
1.1 GB/s ✓
950 MB/s
Write Speed
950 MB/s
950 MB/s
Capacity
2 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.1/10 ✓
7.5/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro 2TB or Lexar SL100 Pro 1TB?
The Crucial X9 Pro 2TB scores 9.1/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the Crucial X9 Pro 2TB for its superior speed.
What's the difference between Crucial X9 Pro 2TB and Lexar SL100 Pro 1TB?
The key differences: The Crucial X9 Pro 2TB offers 1,050 MB/s reads vs 950 MB/s for the Lexar SL100 Pro 1TB. Capacity options differ: Crucial X9 Pro 2TB is 2TB while Lexar SL100 Pro 1TB is 1TB. The Crucial X9 Pro 2TB uses USB 3.2 Gen 2 while the Lexar SL100 Pro 1TB uses USB 3.2 Gen 2.
Which is faster, Crucial X9 Pro 2TB or Lexar SL100 Pro 1TB?
The Crucial X9 Pro 2TB is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 11% speed advantage.
Which has better value, Crucial X9 Pro 2TB or Lexar SL100 Pro 1TB?
The Crucial X9 Pro 2TB scores higher (9.1 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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Crucial X9 Pro 2TB vs Samsung T9 2TB → Lexar SL100 Pro 1TB vs Samsung T9 2TB →
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