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Portable SSDs

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Crucial X9 Pro vs Lexar SL100 Pro Portable 1TB — Which Portable SSD Is Faster & Better Value?

Compare Crucial X9 Pro and Lexar SL100 Pro Portable 1TB 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
8.9/10

Ultra-compact pro-grade portable SSD. Pocket-sized at just 65g. Ideal for mobile professionals.

Extremely compact and lightweight (65g)
IP55 water and dust resistance
Drop-proof up to 2 meters
Check on Amazon →

Lexar

Lexar SL100 Pro Portable 1TB
7.5/10

A brushed-aluminum portable SSD the size of a credit card -- one of the smallest 1TB Gen 2 SSDs in retail. Buy it for the form factor; the 950 MB/s rating undershoots the full 1050 Gen 2 ceiling.

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

Spec Comparison

Spec
Crucial X9 Pro
Lexar SL100 Pro Portable 1TB
Read Speed
1.1 GB/s ✓
950 MB/s
Write Speed
1.0 GB/s ✓
950 MB/s
Capacity
1 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
440 TB
600 TB ✓
Warranty
3 Years
3 Years
Score
8.9/10 ✓
7.5/10
Total Wins
4 wins
1 win

Frequently Asked Questions

Which is better, Crucial X9 Pro or Lexar SL100 Pro Portable 1TB?
The Crucial X9 Pro scores 8.9/10 compared to 7.5/10 for the Lexar SL100 Pro Portable 1TB. Our expert analysis favors the Crucial X9 Pro for its superior speed.
What's the difference between Crucial X9 Pro and Lexar SL100 Pro Portable 1TB?
The key differences: The Crucial X9 Pro offers 1,050 MB/s reads vs 950 MB/s for the Lexar SL100 Pro Portable 1TB. Capacity options differ: Crucial X9 Pro is 1TB while Lexar SL100 Pro Portable 1TB is 1TB. The Crucial X9 Pro uses USB 3.2 Gen 2 while the Lexar SL100 Pro Portable 1TB uses USB 3.2 Gen 2.
Which is faster, Crucial X9 Pro or Lexar SL100 Pro Portable 1TB?
The Crucial X9 Pro is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro Portable 1TB. That's a 11% speed advantage.
Which has better value, Crucial X9 Pro or Lexar SL100 Pro Portable 1TB?
The Crucial X9 Pro scores higher (8.9 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 X9 Pro vs Samsung T9 Portable SSD → Lexar SL100 Pro Portable 1TB vs Samsung T9 Portable SSD →
Crucial X9 Pro vs Samsung T9 Portable 4TB → Lexar SL100 Pro Portable 1TB vs Samsung T9 Portable 4TB →
Crucial X9 Pro vs Crucial X10 Pro Portable 4TB → Lexar SL100 Pro Portable 1TB vs Crucial X10 Pro Portable 4TB →
Crucial X9 Pro vs Sabrent Rocket Nano V2 → Lexar SL100 Pro Portable 1TB vs Sabrent Rocket Nano V2 →