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Lexar SL660 1TB vs Transcend ESD310C 2TB

Compare Lexar SL660 1TB and Transcend ESD310C 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 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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Transcend

Transcend ESD310C 2TB

7.7/10

The 2TB ESD310C keeps the same tiny plastic credit-card footprint of the 1TB — Transcend fits an unusually large stack in an unusually small case. The 2TB cache budget also holds the 950 MB/s write past 200GB on long transfers.

1050/950 MB/s

Tiny footprint

2400 TBW endurance

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Spec Comparison

Spec

Lexar SL660 1TB

Transcend ESD310C 2TB

Read Speed

2.0 GB/s ✓

1.1 GB/s

Write Speed

2.0 GB/s ✓

950 MB/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

Score

8.1/10 ✓

7.7/10

Total Wins

3 wins

2 wins

Frequently Asked Questions

Which is better, Lexar SL660 1TB or Transcend ESD310C 2TB?

The Lexar SL660 1TB scores 8.1/10 compared to 7.7/10 for the Transcend ESD310C 2TB. Our expert analysis favors the Lexar SL660 1TB for its superior speed.

What's the difference between Lexar SL660 1TB and Transcend ESD310C 2TB?

The key differences: The Lexar SL660 1TB offers 2,000 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 2TB. Capacity options differ: Lexar SL660 1TB is 1TB while Transcend ESD310C 2TB is 2TB. The Lexar SL660 1TB uses USB 3.2 Gen 2x2 while the Transcend ESD310C 2TB uses USB 3.2 Gen 2.

Which is faster, Lexar SL660 1TB or Transcend ESD310C 2TB?

The Lexar SL660 1TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the Transcend ESD310C 2TB. That's a 90% speed advantage.

Which has better value, Lexar SL660 1TB or Transcend ESD310C 2TB?

The Lexar SL660 1TB scores higher (8.1 vs 7.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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