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ADATA SE800 1TB vs Lexar SL660 1TB — Which External SSD Is Faster & Better Value?

Compare ADATA SE800 1TB and Lexar SL660 1TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

ADATA

ADATA SE800 1TB

7.4/10

A compact 1050-class Gen 2 portable at a budget price point. The SE800 is one of the cheapest brand-name 1TB external SSDs in retail — the cost-cutting shows in the plastic body and shorter warranty.

1000 MB/s read

Budget pricing

Tiny form factor

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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

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Spec Comparison

Spec

ADATA SE800 1TB

Lexar SL660 1TB

Read Speed

1.0 GB/s

2.0 GB/s ✓

Write Speed

950 MB/s

2.0 GB/s ✓

Capacity

1 TB

Interface

USB 3.2 Gen 2

USB 3.2 Gen 2x2

Endurance (TBW)

600 TB

Warranty

3 Years

Score

7.4/10

8.1/10 ✓

Total Wins

0 wins

3 wins

Frequently Asked Questions

Which is better, ADATA SE800 1TB or Lexar SL660 1TB?

The Lexar SL660 1TB scores 8.1/10 compared to 7.4/10 for the ADATA SE800 1TB. Our expert analysis favors the Lexar SL660 1TB for its superior speed.

What's the difference between ADATA SE800 1TB and Lexar SL660 1TB?

The key differences: The ADATA SE800 1TB offers 1,000 MB/s reads vs 2,000 MB/s for the Lexar SL660 1TB. Capacity options differ: ADATA SE800 1TB is 1TB while Lexar SL660 1TB is 1TB. The ADATA SE800 1TB uses USB 3.2 Gen 2 while the Lexar SL660 1TB uses USB 3.2 Gen 2x2.

Which is faster, ADATA SE800 1TB or Lexar SL660 1TB?

The Lexar SL660 1TB is faster with 2,000 MB/s read speeds compared to 1,000 MB/s for the ADATA SE800 1TB. That's a 100% speed advantage.

Which has better value, ADATA SE800 1TB or Lexar SL660 1TB?

The Lexar SL660 1TB scores higher (8.1 vs 7.4/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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