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Portable SSDs

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Crucial X8 Portable 1TB vs Lexar SL100 Pro Portable 1TB

Compare Crucial X8 Portable 1TB 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 X8 Portable 1TB
8.3/10

The X8 is the previous-gen Crucial premium portable — superseded by the X9 Pro but often available at discounts. Same 1050/1000 MB/s, aluminum unibody, but a 3-year warranty. Worth buying if the sale price beats the X9 Pro by a meaningful margin.

1050/1000 MB/s
Anodized aluminum body
Often on clearance
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 X8 Portable 1TB
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)
600 TB
600 TB
Warranty
3 Years
3 Years
Score
8.3/10 ✓
7.5/10
Total Wins
3 wins
0 wins

Frequently Asked Questions

Which is better, Crucial X8 Portable 1TB or Lexar SL100 Pro Portable 1TB?
The Crucial X8 Portable 1TB scores 8.3/10 compared to 7.5/10 for the Lexar SL100 Pro Portable 1TB. Our expert analysis favors the Crucial X8 Portable 1TB for its superior speed.
What's the difference between Crucial X8 Portable 1TB and Lexar SL100 Pro Portable 1TB?
The key differences: The Crucial X8 Portable 1TB offers 1,050 MB/s reads vs 950 MB/s for the Lexar SL100 Pro Portable 1TB. Capacity options differ: Crucial X8 Portable 1TB is 1TB while Lexar SL100 Pro Portable 1TB is 1TB. The Crucial X8 Portable 1TB uses USB 3.2 Gen 2 while the Lexar SL100 Pro Portable 1TB uses USB 3.2 Gen 2.
Which is faster, Crucial X8 Portable 1TB or Lexar SL100 Pro Portable 1TB?
The Crucial X8 Portable 1TB 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 X8 Portable 1TB or Lexar SL100 Pro Portable 1TB?
The Crucial X8 Portable 1TB scores higher (8.3 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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