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Lexar SL660 Portable 1TB vs Samsung T9 Portable 4TB

Compare Lexar SL660 Portable 1TB and Samsung T9 Portable 4TB 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 T9 Portable 4TB

9.6/10

The 4TB T9 portable is genuinely rare — most 4TB external SSDs cap at Gen 2 (10Gbps) speeds. The T9 4TB holds 2000 MB/s sustained reads AND writes at 4TB. The right drive for working video pros who genuinely travel with 4TB of working RAW footage and need Gen 2x2 link speeds.

Gen 2x2 + 4TB

2400 TBW endurance

5-year warranty

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Spec Comparison

Spec

Lexar SL660 Portable 1TB

Samsung T9 Portable 4TB

Read Speed

2.0 GB/s

Write Speed

2.0 GB/s

Capacity

1 TB

4 TB ✓

Interface

USB 3.2 Gen 2x2

Endurance (TBW)

600 TB

2,400 TB ✓

Warranty

3 Years

5 Years ✓

Score

8.1/10

9.6/10 ✓

Total Wins

0 wins

4 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 1TB or Samsung T9 Portable 4TB?

The Samsung T9 Portable 4TB scores 9.6/10 compared to 8.1/10 for the Lexar SL660 Portable 1TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior value.

What's the difference between Lexar SL660 Portable 1TB and Samsung T9 Portable 4TB?

The key differences: The Lexar SL660 Portable 1TB offers 2,000 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: Lexar SL660 Portable 1TB is 1TB while Samsung T9 Portable 4TB is 4TB. The Lexar SL660 Portable 1TB uses USB 3.2 Gen 2x2 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.

Which is faster, Lexar SL660 Portable 1TB or Samsung T9 Portable 4TB?

Both drives offer the same 2,000 MB/s read speeds.

Which has better value, Lexar SL660 Portable 1TB or Samsung T9 Portable 4TB?

The Samsung T9 Portable 4TB scores higher (9.6 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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