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Lexar SL100 Pro 2TB vs Transcend ESD310C 1TB — Which External SSD Is Faster & Better Value?

Compare Lexar SL100 Pro 2TB and Transcend ESD310C 1TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL100 Pro 2TB

7.6/10

The 2TB SL100 Pro keeps the same brushed-aluminum credit-card footprint of the 1TB — famously pocketable but only marginally faster on sustained writes thanks to the larger SLC cache.

2TB in credit-card footprint

950 MB/s read

Aluminum body

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Transcend

Transcend ESD310C 1TB

7.6/10

A tiny 1050-class Gen 2 portable from a long-established memory brand. ESD310C is one of the smallest 1TB Gen 2 SSDs at retail — small enough to be lost in a bag. Buy it for the form factor over sustained performance.

1050/950 MB/s

Tiny credit-card footprint

3-year warranty

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Spec Comparison

Spec

Lexar SL100 Pro 2TB

Transcend ESD310C 1TB

Read Speed

950 MB/s

1.1 GB/s ✓

Write Speed

950 MB/s

Capacity

2 TB ✓

1 TB

Interface

USB 3.2 Gen 2

Endurance (TBW)

1,200 TB ✓

600 TB

Warranty

3 Years

Score

7.6/10

Total Wins

2 wins

1 win

Frequently Asked Questions

Which is better, Lexar SL100 Pro 2TB or Transcend ESD310C 1TB?

Both drives score 7.6/10 in our expert testing. The best choice depends on your specific needs.

What's the difference between Lexar SL100 Pro 2TB and Transcend ESD310C 1TB?

The key differences: The Lexar SL100 Pro 2TB offers 950 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 1TB. Capacity options differ: Lexar SL100 Pro 2TB is 2TB while Transcend ESD310C 1TB is 1TB. The Lexar SL100 Pro 2TB uses USB 3.2 Gen 2 while the Transcend ESD310C 1TB uses USB 3.2 Gen 2.

Which is faster, Lexar SL100 Pro 2TB or Transcend ESD310C 1TB?

The Transcend ESD310C 1TB is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 2TB. That's a 11% speed advantage.

Which has better value, Lexar SL100 Pro 2TB or Transcend ESD310C 1TB?

Both drives score the same in our evaluation. Consider features, endurance, and warranty to determine which suits your needs better.

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