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External SSDs

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Lexar SL660 2TB vs Seagate FireCuda Gaming SSD 4TB

Compare Lexar SL660 2TB and Seagate FireCuda Gaming SSD 4TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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
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Our Pick

Seagate

Seagate FireCuda Gaming SSD 4TB
8.5/10

The 4TB FireCuda is the biggest Seagate portable SSD — a Gen 2x2 RGB drive sized for entire game-library overflow. The 5-year warranty and included Rescue plan are real value-adds at this capacity.

4TB Gen 2x2 storage
5-year warranty + Rescue
RGB lighting
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Spec Comparison

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

Frequently Asked Questions

Which is better, Lexar SL660 2TB or Seagate FireCuda Gaming SSD 4TB?
The Seagate FireCuda Gaming SSD 4TB scores 8.5/10 compared to 8.2/10 for the Lexar SL660 2TB. Our expert analysis favors the Seagate FireCuda Gaming SSD 4TB for its superior value.
What's the difference between Lexar SL660 2TB and Seagate FireCuda Gaming SSD 4TB?
The key differences: The Lexar SL660 2TB offers 2,000 MB/s reads vs 2,000 MB/s for the Seagate FireCuda Gaming SSD 4TB. Capacity options differ: Lexar SL660 2TB is 2TB while Seagate FireCuda Gaming SSD 4TB is 4TB. The Lexar SL660 2TB uses USB 3.2 Gen 2x2 while the Seagate FireCuda Gaming SSD 4TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 2TB or Seagate FireCuda Gaming SSD 4TB?
Both drives offer the same 2,000 MB/s read speeds.
Which has better value, Lexar SL660 2TB or Seagate FireCuda Gaming SSD 4TB?
The Seagate FireCuda Gaming SSD 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

Lexar SL660 2TB vs Samsung T9 2TB → Seagate FireCuda Gaming SSD 4TB vs Samsung T9 2TB →
Lexar SL660 2TB vs Samsung T9 Portable SSD → Seagate FireCuda Gaming SSD 4TB vs Samsung T9 Portable SSD →
Lexar SL660 2TB vs Crucial X10 Pro 2TB → Seagate FireCuda Gaming SSD 4TB vs Crucial X10 Pro 2TB →
Lexar SL660 2TB vs Samsung T7 4TB → Seagate FireCuda Gaming SSD 4TB vs Samsung T7 4TB →