Skip to main content
External SSDs

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 X10 Pro 4TB vs Lexar SL100 Pro 1TB

Compare Crucial X10 Pro 4TB and Lexar SL100 Pro 1TB side by side. Both are 4TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Crucial

Crucial X10 Pro 4TB
9.1/10

Professional-grade 4TB portable SSD with speeds up to 2100MB/s. Massive capacity for 8K video workflows and large creative projects.

4TB with fastest Gen 2x2 speeds up to 2100MB/s
IP55 water and dust resistance
Excellent 2400 TBW endurance
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 X10 Pro 4TB
Lexar SL100 Pro 1TB
Read Speed
2.1 GB/s ✓
950 MB/s
Write Speed
2.0 GB/s ✓
950 MB/s
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.1/10 ✓
7.5/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, Crucial X10 Pro 4TB or Lexar SL100 Pro 1TB?
The Crucial X10 Pro 4TB scores 9.1/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the Crucial X10 Pro 4TB for its superior speed.
What's the difference between Crucial X10 Pro 4TB and Lexar SL100 Pro 1TB?
The key differences: The Crucial X10 Pro 4TB offers 2,100 MB/s reads vs 950 MB/s for the Lexar SL100 Pro 1TB. Capacity options differ: Crucial X10 Pro 4TB is 4TB while Lexar SL100 Pro 1TB is 1TB. The Crucial X10 Pro 4TB uses USB 3.2 Gen 2x2 while the Lexar SL100 Pro 1TB uses USB 3.2 Gen 2.
Which is faster, Crucial X10 Pro 4TB or Lexar SL100 Pro 1TB?
The Crucial X10 Pro 4TB is faster with 2,100 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 121% speed advantage.
Which has better value, Crucial X10 Pro 4TB or Lexar SL100 Pro 1TB?
The Crucial X10 Pro 4TB 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.

More Comparisons

Crucial X10 Pro 4TB vs Samsung T9 2TB → Lexar SL100 Pro 1TB vs Samsung T9 2TB →
Crucial X10 Pro 4TB vs Samsung T9 Portable SSD → Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD →
Crucial X10 Pro 4TB vs Crucial X10 Pro 2TB → Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB →
Crucial X10 Pro 4TB vs Samsung T7 4TB → Lexar SL100 Pro 1TB vs Samsung T7 4TB →