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External SSDs

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LaCie Rugged SSD Pro 1TB vs Lexar SL660 2TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 1TB and Lexar SL660 2TB side by side. Both are 1TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

LaCie

LaCie Rugged SSD Pro 1TB
9.0/10

A Thunderbolt 3 portable SSD in LaCie's iconic orange-rubber bumpers — IP67, 3-meter drop, and 1-ton car-proof. The Rugged SSD Pro is the field-shoot standard for video crews who need one drive that survives a van rollover and still delivers Thunderbolt-class 2700 MB/s.

Thunderbolt 3 2700 MB/s
IP67 dust/water
3-meter drop + 1-ton crush
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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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Spec Comparison

Spec
LaCie Rugged SSD Pro 1TB
Lexar SL660 2TB
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
2.0 GB/s ✓
Capacity
1 TB
2 TB ✓
Interface
Thunderbolt 3
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.2/10
Total Wins
3 wins
3 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 1TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 1TB scores 9.0/10 compared to 8.2/10 for the Lexar SL660 2TB. Our expert analysis favors the LaCie Rugged SSD Pro 1TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 1TB and Lexar SL660 2TB?
The key differences: The LaCie Rugged SSD Pro 1TB offers 2,700 MB/s reads vs 2,000 MB/s for the Lexar SL660 2TB. Capacity options differ: LaCie Rugged SSD Pro 1TB is 1TB while Lexar SL660 2TB is 2TB. The LaCie Rugged SSD Pro 1TB uses Thunderbolt 3 while the Lexar SL660 2TB uses USB 3.2 Gen 2x2.
Which is faster, LaCie Rugged SSD Pro 1TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 1TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Lexar SL660 2TB. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro 1TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 1TB scores higher (9.0 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

LaCie Rugged SSD Pro 1TB vs Samsung T9 2TB → Lexar SL660 2TB vs Samsung T9 2TB →
LaCie Rugged SSD Pro 1TB vs Samsung T9 Portable SSD → Lexar SL660 2TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro 1TB vs Crucial X10 Pro 2TB → Lexar SL660 2TB vs Crucial X10 Pro 2TB →
LaCie Rugged SSD Pro 1TB vs Samsung T7 4TB → Lexar SL660 2TB vs Samsung T7 4TB →