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Portable SSDs

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Lexar SL660 Portable 1TB vs SanDisk Extreme Portable SSD

Compare Lexar SL660 Portable 1TB and SanDisk Extreme Portable SSD 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

SanDisk

SanDisk Extreme Portable SSD
8.7/10

Rugged, reliable portable storage with IP55 rating. Built for adventure with a convenient loop design.

IP55 water and dust resistance
Drop-proof up to 3 meters
Compact and lightweight
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Spec Comparison

Spec
Lexar SL660 Portable 1TB
SanDisk Extreme Portable SSD
Read Speed
2.0 GB/s ✓
1.1 GB/s
Write Speed
2.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
1 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
600 TB ✓
500 TB
Warranty
3 Years
3 Years
Score
8.1/10
8.7/10 ✓
Total Wins
3 wins
2 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 1TB or SanDisk Extreme Portable SSD?
The SanDisk Extreme Portable SSD scores 8.7/10 compared to 8.1/10 for the Lexar SL660 Portable 1TB. Our expert analysis favors the SanDisk Extreme Portable SSD for its superior value.
What's the difference between Lexar SL660 Portable 1TB and SanDisk Extreme Portable SSD?
The key differences: The Lexar SL660 Portable 1TB offers 2,000 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Portable SSD. Capacity options differ: Lexar SL660 Portable 1TB is 1TB while SanDisk Extreme Portable SSD is 1TB. The Lexar SL660 Portable 1TB uses USB 3.2 Gen 2x2 while the SanDisk Extreme Portable SSD uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 Portable 1TB or SanDisk Extreme Portable SSD?
The Lexar SL660 Portable 1TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Portable SSD. That's a 90% speed advantage.
Which has better value, Lexar SL660 Portable 1TB or SanDisk Extreme Portable SSD?
The SanDisk Extreme Portable SSD 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.

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