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External SSDs

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Lexar SL660 1TB vs Sabrent Rocket XTRM-Q 4TB

Compare Lexar SL660 1TB and Sabrent Rocket XTRM-Q 4TB 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

Sabrent

Sabrent Rocket XTRM-Q 4TB
8.7/10

A 4TB Thunderbolt 3 portable SSD is genuinely rare — most vendors cap at 2TB. The 4TB XTRM-Q is the enthusiast-choice for working 8K RED RAW footage in the field. Price is high but for revenue-grade video work that needs the speed, nothing else at this capacity competes.

2700 MB/s Thunderbolt
4TB of high-speed storage
3-year manufacturer warranty
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 1TB
Sabrent Rocket XTRM-Q 4TB
Read Speed
2.0 GB/s
2.7 GB/s ✓
Write Speed
2.0 GB/s
2.7 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2x2
Thunderbolt 3
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
3 Years
Score
8.1/10
8.7/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Lexar SL660 1TB or Sabrent Rocket XTRM-Q 4TB?
The Sabrent Rocket XTRM-Q 4TB scores 8.7/10 compared to 8.1/10 for the Lexar SL660 1TB. Our expert analysis favors the Sabrent Rocket XTRM-Q 4TB for its superior speed.
What's the difference between Lexar SL660 1TB and Sabrent Rocket XTRM-Q 4TB?
The key differences: The Lexar SL660 1TB offers 2,000 MB/s reads vs 2,700 MB/s for the Sabrent Rocket XTRM-Q 4TB. Capacity options differ: Lexar SL660 1TB is 1TB while Sabrent Rocket XTRM-Q 4TB is 4TB. The Lexar SL660 1TB uses USB 3.2 Gen 2x2 while the Sabrent Rocket XTRM-Q 4TB uses Thunderbolt 3.
Which is faster, Lexar SL660 1TB or Sabrent Rocket XTRM-Q 4TB?
The Sabrent Rocket XTRM-Q 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Lexar SL660 1TB. That's a 35% speed advantage.
Which has better value, Lexar SL660 1TB or Sabrent Rocket XTRM-Q 4TB?
The Sabrent Rocket XTRM-Q 4TB scores higher (8.7 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL660 1TB vs Samsung T9 2TB → Sabrent Rocket XTRM-Q 4TB vs Samsung T9 2TB →
Lexar SL660 1TB vs Samsung T9 Portable SSD → Sabrent Rocket XTRM-Q 4TB vs Samsung T9 Portable SSD →
Lexar SL660 1TB vs Crucial X10 Pro 2TB → Sabrent Rocket XTRM-Q 4TB vs Crucial X10 Pro 2TB →
Lexar SL660 1TB vs Samsung T7 4TB → Sabrent Rocket XTRM-Q 4TB vs Samsung T7 4TB →