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External SSDs

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Lexar SL660 1TB vs Lexar SL660 2TB

Compare Lexar SL660 1TB and Lexar SL660 2TB side by side. Both are 1TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL660 1TB
8.1/10

A premium 2000 MB/s Gen 2x2 portable with an aluminum body and an RGB-lit Logo. The RGB is a divisive feature but the performance is real, and the build quality distinguishes it from cheaper Gen 2x2 peers like the Patriot Evlvr.

Gen 2x2 2000/2000 MB/s
Aluminum body
3-year warranty
Check on Amazon →
Our Pick

Lexar

Lexar SL660 2TB
8.2/10

The 2TB SL660 doubles SLC cache budget over the 1TB. RGB and aluminum body preserved — a competitive Gen 2x2 2TB at moderate pricing. Worth comparing with the Kingston XS2000 2TB and Patriot Evlvr 2TB.

Gen 2x2 2000 MB/s
2TB storage
Aluminum body
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 1TB
Lexar SL660 2TB
Read Speed
2.0 GB/s
2.0 GB/s
Write Speed
2.0 GB/s
2.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
8.1/10
8.2/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Lexar SL660 1TB or Lexar SL660 2TB?
The Lexar SL660 2TB scores 8.2/10 compared to 8.1/10 for the Lexar SL660 1TB. Our expert analysis favors the Lexar SL660 2TB for its superior value.
What's the difference between Lexar SL660 1TB and Lexar SL660 2TB?
The key differences: The Lexar SL660 1TB offers 2,000 MB/s reads vs 2,000 MB/s for the Lexar SL660 2TB. Capacity options differ: Lexar SL660 1TB is 1TB while Lexar SL660 2TB is 2TB. The Lexar SL660 1TB uses USB 3.2 Gen 2x2 while the Lexar SL660 2TB uses USB 3.2 Gen 2x2.
Which is faster, Lexar SL660 1TB or Lexar SL660 2TB?
Both drives offer the same 2,000 MB/s read speeds.
Which has better value, Lexar SL660 1TB or Lexar SL660 2TB?
The Lexar SL660 2TB scores higher (8.2 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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