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External SSDs

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

Compare LaCie Rugged SSD Pro 2TB and Lexar SL660 2TB side by side. Both are 2TB 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 2TB
9.1/10

The 2TB Rugged SSD Pro doubles capacity of the iconic Thunderbolt 3 rugged drive. The standard field drive for outdoor wedding, extreme-sports, and news videographers who need both real-time 6K editing and a drive that survives a sandstorm.

Thunderbolt 3 2700 MB/s
IP67 rugged
5-year Rescue
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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
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 2TB
Lexar SL660 2TB
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
2.0 GB/s ✓
Capacity
2 TB
2 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2x2
Endurance (TBW)
1,200 TB
1,200 TB
Warranty
5 Years ✓
3 Years
Score
9.1/10 ✓
8.2/10
Total Wins
3 wins
1 win

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 2TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 2TB scores 9.1/10 compared to 8.2/10 for the Lexar SL660 2TB. Our expert analysis favors the LaCie Rugged SSD Pro 2TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 2TB and Lexar SL660 2TB?
The key differences: The LaCie Rugged SSD Pro 2TB offers 2,700 MB/s reads vs 2,000 MB/s for the Lexar SL660 2TB. Capacity options differ: LaCie Rugged SSD Pro 2TB is 2TB while Lexar SL660 2TB is 2TB. The LaCie Rugged SSD Pro 2TB uses Thunderbolt 3 while the Lexar SL660 2TB uses USB 3.2 Gen 2x2.
Which is faster, LaCie Rugged SSD Pro 2TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 2TB 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 2TB or Lexar SL660 2TB?
The LaCie Rugged SSD Pro 2TB scores higher (9.1 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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