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External SSDs

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Kingston XS2000 4TB vs Lexar SL660 2TB

Compare Kingston XS2000 4TB and Lexar SL660 2TB 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

Kingston

Kingston XS2000 4TB
8.5/10

The 4TB XS2000 is the budget king at this capacity — Kingston has priced it aggressively against the T9 and Sabrent since launch. If you need a Gen 2x2 4TB portable and the budget is tight, this is the price-floor drive to shortlist.

4TB Gen 2x2
5-year warranty
2400 TBW endurance
Check on Amazon →

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
Kingston XS2000 4TB
Lexar SL660 2TB
Read Speed
2.0 GB/s
2.0 GB/s
Write Speed
2.0 GB/s
2.0 GB/s
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
5 Years ✓
3 Years
Score
8.5/10 ✓
8.2/10
Total Wins
4 wins
0 wins

Frequently Asked Questions

Which is better, Kingston XS2000 4TB or Lexar SL660 2TB?
The Kingston XS2000 4TB scores 8.5/10 compared to 8.2/10 for the Lexar SL660 2TB. Our expert analysis favors the Kingston XS2000 4TB for its superior value.
What's the difference between Kingston XS2000 4TB and Lexar SL660 2TB?
The key differences: The Kingston XS2000 4TB offers 2,000 MB/s reads vs 2,000 MB/s for the Lexar SL660 2TB. Capacity options differ: Kingston XS2000 4TB is 4TB while Lexar SL660 2TB is 2TB. The Kingston XS2000 4TB uses USB 3.2 Gen 2x2 while the Lexar SL660 2TB uses USB 3.2 Gen 2x2.
Which is faster, Kingston XS2000 4TB or Lexar SL660 2TB?
Both drives offer the same 2,000 MB/s read speeds.
Which has better value, Kingston XS2000 4TB or Lexar SL660 2TB?
The Kingston XS2000 4TB scores higher (8.5 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Kingston XS2000 4TB vs Samsung T9 2TB → Lexar SL660 2TB vs Samsung T9 2TB →
Kingston XS2000 4TB vs Samsung T9 Portable SSD → Lexar SL660 2TB vs Samsung T9 Portable SSD →
Kingston XS2000 4TB vs Crucial X10 Pro 2TB → Lexar SL660 2TB vs Crucial X10 Pro 2TB →
Kingston XS2000 4TB vs Samsung T7 4TB → Lexar SL660 2TB vs Samsung T7 4TB →