Skip to main content
External 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 1TB vs Seagate One Touch SSD 2TB

Compare Lexar SL660 1TB and Seagate One Touch SSD 2TB 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.

Our Pick

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 →

Seagate

Seagate One Touch SSD 2TB
7.8/10

The 2TB One Touch is the sweet spot of Seagate's budget portable line — large enough die stack that the sustained-write dropoff after SLC exhaustion is significantly longer than on the 1TB.

1030 MB/s rated
Both cables in box
Rescue data recovery
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 1TB
Seagate One Touch SSD 2TB
Read Speed
2.0 GB/s ✓
1.0 GB/s
Write Speed
2.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
8.1/10 ✓
7.8/10
Total Wins
3 wins
2 wins

Frequently Asked Questions

Which is better, Lexar SL660 1TB or Seagate One Touch SSD 2TB?
The Lexar SL660 1TB scores 8.1/10 compared to 7.8/10 for the Seagate One Touch SSD 2TB. Our expert analysis favors the Lexar SL660 1TB for its superior speed.
What's the difference between Lexar SL660 1TB and Seagate One Touch SSD 2TB?
The key differences: The Lexar SL660 1TB offers 2,000 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 2TB. Capacity options differ: Lexar SL660 1TB is 1TB while Seagate One Touch SSD 2TB is 2TB. The Lexar SL660 1TB uses USB 3.2 Gen 2x2 while the Seagate One Touch SSD 2TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 1TB or Seagate One Touch SSD 2TB?
The Lexar SL660 1TB is faster with 2,000 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 2TB. That's a 94% speed advantage.
Which has better value, Lexar SL660 1TB or Seagate One Touch SSD 2TB?
The Lexar SL660 1TB scores higher (8.1 vs 7.8/10), 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 → Seagate One Touch SSD 2TB vs Samsung T9 2TB →
Lexar SL660 1TB vs Samsung T9 Portable SSD → Seagate One Touch SSD 2TB vs Samsung T9 Portable SSD →
Lexar SL660 1TB vs Crucial X10 Pro 2TB → Seagate One Touch SSD 2TB vs Crucial X10 Pro 2TB →
Lexar SL660 1TB vs Samsung T7 4TB → Seagate One Touch SSD 2TB vs Samsung T7 4TB →