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External SSDs

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

Compare Lexar SL100 Pro 1TB and Transcend ESD310C 2TB 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.

Lexar

Lexar SL100 Pro 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
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Our Pick

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 SL100 Pro 1TB
Transcend ESD310C 2TB
Read Speed
950 MB/s
1.1 GB/s ✓
Write Speed
950 MB/s
950 MB/s
Capacity
1 TB
2 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
7.5/10
7.7/10 ✓
Total Wins
0 wins
4 wins

Frequently Asked Questions

Which is better, Lexar SL100 Pro 1TB or Transcend ESD310C 2TB?
The Transcend ESD310C 2TB scores 7.7/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the Transcend ESD310C 2TB for its superior speed.
What's the difference between Lexar SL100 Pro 1TB and Transcend ESD310C 2TB?
The key differences: The Lexar SL100 Pro 1TB offers 950 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 2TB. Capacity options differ: Lexar SL100 Pro 1TB is 1TB while Transcend ESD310C 2TB is 2TB. The Lexar SL100 Pro 1TB uses USB 3.2 Gen 2 while the Transcend ESD310C 2TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL100 Pro 1TB or Transcend ESD310C 2TB?
The Transcend ESD310C 2TB is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 11% speed advantage.
Which has better value, Lexar SL100 Pro 1TB or Transcend ESD310C 2TB?
The Transcend ESD310C 2TB scores higher (7.7 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL100 Pro 1TB vs Samsung T9 2TB → Transcend ESD310C 2TB vs Samsung T9 2TB →
Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD → Transcend ESD310C 2TB vs Samsung T9 Portable SSD →
Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB → Transcend ESD310C 2TB vs Crucial X10 Pro 2TB →
Lexar SL100 Pro 1TB vs Samsung T7 4TB → Transcend ESD310C 2TB vs Samsung T7 4TB →