Skip to main content
Portable SSDs

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Lexar SL660 Portable 2TB vs Sabrent Rocket XTRM-Q Portable 2TB

Compare Lexar SL660 Portable 2TB and Sabrent Rocket XTRM-Q Portable 2TB 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 Portable 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, comparable with the Kingston XS2000 2TB and Patriot Evlvr 2TB.

Gen 2x2 2000 MB/s
2TB storage
Aluminum body
Check on Amazon →
Our Pick

Sabrent

Sabrent Rocket XTRM-Q Portable 2TB
8.6/10

A 2TB portable Thunderbolt 3 SSD from Sabrent in an aluminum body — 2700 MB/s sustained read on Thunderbolt hosts. A viable Mac-focused Thunderbolt 3 alternative to the LaCie Rugged SSD Pro 2TB at a similar price tier.

Thunderbolt 3 2700 MB/s
2TB portable aluminum body
Detachable USB-C cable
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 Portable 2TB
Sabrent Rocket XTRM-Q Portable 2TB
Read Speed
2.0 GB/s
2.7 GB/s ✓
Write Speed
2.0 GB/s
2.7 GB/s ✓
Capacity
2 TB
2 TB
Interface
USB 3.2 Gen 2x2
Thunderbolt 3
Endurance (TBW)
1,200 TB
1,200 TB
Warranty
3 Years
3 Years
Score
8.2/10
8.6/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 2TB or Sabrent Rocket XTRM-Q Portable 2TB?
The Sabrent Rocket XTRM-Q Portable 2TB scores 8.6/10 compared to 8.2/10 for the Lexar SL660 Portable 2TB. Our expert analysis favors the Sabrent Rocket XTRM-Q Portable 2TB for its superior speed.
What's the difference between Lexar SL660 Portable 2TB and Sabrent Rocket XTRM-Q Portable 2TB?
The key differences: The Lexar SL660 Portable 2TB offers 2,000 MB/s reads vs 2,700 MB/s for the Sabrent Rocket XTRM-Q Portable 2TB. Capacity options differ: Lexar SL660 Portable 2TB is 2TB while Sabrent Rocket XTRM-Q Portable 2TB is 2TB. The Lexar SL660 Portable 2TB uses USB 3.2 Gen 2x2 while the Sabrent Rocket XTRM-Q Portable 2TB uses Thunderbolt 3.
Which is faster, Lexar SL660 Portable 2TB or Sabrent Rocket XTRM-Q Portable 2TB?
The Sabrent Rocket XTRM-Q Portable 2TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Lexar SL660 Portable 2TB. That's a 35% speed advantage.
Which has better value, Lexar SL660 Portable 2TB or Sabrent Rocket XTRM-Q Portable 2TB?
The Sabrent Rocket XTRM-Q Portable 2TB scores higher (8.6 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 Portable 2TB vs Samsung T9 Portable SSD → Sabrent Rocket XTRM-Q Portable 2TB vs Samsung T9 Portable SSD →
Lexar SL660 Portable 2TB vs Samsung T9 Portable 4TB → Sabrent Rocket XTRM-Q Portable 2TB vs Samsung T9 Portable 4TB →
Lexar SL660 Portable 2TB vs Crucial X10 Pro Portable 4TB → Sabrent Rocket XTRM-Q Portable 2TB vs Crucial X10 Pro Portable 4TB →
Lexar SL660 Portable 2TB vs Sabrent Rocket Nano V2 → Sabrent Rocket XTRM-Q Portable 2TB vs Sabrent Rocket Nano V2 →