As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Crucial X9 Pro 1TB vs Lexar SL100 Pro 2TB

Compare Crucial X9 Pro 1TB and Lexar SL100 Pro 2TB side by side. Both are 1TB 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 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

Check on Amazon →

Lexar

Lexar SL100 Pro 2TB

7.6/10

The 2TB SL100 Pro keeps the same brushed-aluminum credit-card footprint of the 1TB — famously pocketable but only marginally faster on sustained writes thanks to the larger SLC cache.

2TB in credit-card footprint

950 MB/s read

Aluminum body

Check on Amazon →

Spec Comparison

Spec

Crucial X9 Pro 1TB

Lexar SL100 Pro 2TB

Read Speed

1.1 GB/s ✓

950 MB/s

Write Speed

950 MB/s

Capacity

1 TB

2 TB ✓

Interface

USB 3.2 Gen 2

Endurance (TBW)

600 TB

1,200 TB ✓

Warranty

5 Years ✓

3 Years

Score

9.0/10 ✓

7.6/10

Total Wins

3 wins

2 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro 1TB or Lexar SL100 Pro 2TB?

The Crucial X9 Pro 1TB scores 9.0/10 compared to 7.6/10 for the Lexar SL100 Pro 2TB. Our expert analysis favors the Crucial X9 Pro 1TB for its superior speed.

What's the difference between Crucial X9 Pro 1TB and Lexar SL100 Pro 2TB?

The key differences: The Crucial X9 Pro 1TB offers 1,050 MB/s reads vs 950 MB/s for the Lexar SL100 Pro 2TB. Capacity options differ: Crucial X9 Pro 1TB is 1TB while Lexar SL100 Pro 2TB is 2TB. The Crucial X9 Pro 1TB uses USB 3.2 Gen 2 while the Lexar SL100 Pro 2TB uses USB 3.2 Gen 2.

Which is faster, Crucial X9 Pro 1TB or Lexar SL100 Pro 2TB?

The Crucial X9 Pro 1TB is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 2TB. That's a 11% speed advantage.

Which has better value, Crucial X9 Pro 1TB or Lexar SL100 Pro 2TB?

The Crucial X9 Pro 1TB scores higher (9.0 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

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

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

Crucial X9 Pro 1TB vs Crucial X10 Pro 2TB → Lexar SL100 Pro 2TB vs Crucial X10 Pro 2TB →

Crucial X9 Pro 1TB vs Samsung T7 4TB → Lexar SL100 Pro 2TB vs Samsung T7 4TB →