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Portable SSDs

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Lexar SL660 Portable 1TB vs Seagate One Touch SSD Portable 2TB

Compare Lexar SL660 Portable 1TB and Seagate One Touch SSD Portable 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 Portable 1TB
8.1/10

A 1TB Gen 2x2 portable with an aluminum body and an RGB-lit Logo -- the RGB is divisive but the performance is real. Build quality distinguishes the SL660 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 Portable 2TB
7.8/10

The 2TB One Touch is the realistic minimum for game-library cold storage and Time Machine backups at typical Seagate sale pricing. The larger die stack holds the rated 1030 MB/s write distinctly longer than the 1TB variant before SLC cache exhausts.

1030 MB/s rated
Both cables
Rescue data recovery plan
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Spec Comparison

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

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