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Portable SSDs

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Lexar SL660 Portable 1TB vs Samsung T7 Portable 2TB

Compare Lexar SL660 Portable 1TB and Samsung T7 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.

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
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Our Pick

Samsung

Samsung T7 Portable 2TB
9.4/10

The 2TB T7 is the size most portable-SSD buyers actually want — enough room for a laptop worth of working files plus media library, in a metal case that fits in a passport pocket. The 2TB stack also sustains writes past 300GB without the dip the 1TB T7 hits.

2TB Gen 2
Sustained writes hold past 300GB
AES 256-bit hardware encryption
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Spec Comparison

Spec
Lexar SL660 Portable 1TB
Samsung T7 Portable 2TB
Read Speed
2.0 GB/s ✓
1.1 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
9.4/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 1TB or Samsung T7 Portable 2TB?
The Samsung T7 Portable 2TB scores 9.4/10 compared to 8.1/10 for the Lexar SL660 Portable 1TB. Our expert analysis favors the Samsung T7 Portable 2TB for its superior value.
What's the difference between Lexar SL660 Portable 1TB and Samsung T7 Portable 2TB?
The key differences: The Lexar SL660 Portable 1TB offers 2,000 MB/s reads vs 1,050 MB/s for the Samsung T7 Portable 2TB. Capacity options differ: Lexar SL660 Portable 1TB is 1TB while Samsung T7 Portable 2TB is 2TB. The Lexar SL660 Portable 1TB uses USB 3.2 Gen 2x2 while the Samsung T7 Portable 2TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 Portable 1TB or Samsung T7 Portable 2TB?
The Lexar SL660 Portable 1TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the Samsung T7 Portable 2TB. That's a 90% speed advantage.
Which has better value, Lexar SL660 Portable 1TB or Samsung T7 Portable 2TB?
The Samsung T7 Portable 2TB scores higher (9.4 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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