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External SSDs

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Corsair EX400U USB4 vs Transcend ESD310C 1TB

Compare Corsair EX400U USB4 and Transcend ESD310C 1TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Corsair

Corsair EX400U USB4
9.2/10

High-bandwidth USB4 external SSD delivering up to 4,000MB/s reads with MagSafe compatibility. Perfect for creative professionals with Thunderbolt 4 and USB4 laptops.

Blazing 4000MB/s read speeds over USB4
MagSafe magnetic attachment for iPhone
Full Thunderbolt 4 backward compatibility
Check on Amazon →

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
Check on Amazon →

Spec Comparison

Spec
Corsair EX400U USB4
Transcend ESD310C 1TB
Read Speed
4.0 GB/s ✓
1.1 GB/s
Write Speed
3.6 GB/s ✓
950 MB/s
Capacity
1 TB ✓
1 TB
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
700 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
7.6/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, Corsair EX400U USB4 or Transcend ESD310C 1TB?
The Corsair EX400U USB4 scores 9.2/10 compared to 7.6/10 for the Transcend ESD310C 1TB. Our expert analysis favors the Corsair EX400U USB4 for its superior speed.
What's the difference between Corsair EX400U USB4 and Transcend ESD310C 1TB?
The key differences: The Corsair EX400U USB4 offers 4,000 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 1TB. Capacity options differ: Corsair EX400U USB4 is 1TB while Transcend ESD310C 1TB is 1TB. The Corsair EX400U USB4 uses USB4 while the Transcend ESD310C 1TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX400U USB4 or Transcend ESD310C 1TB?
The Corsair EX400U USB4 is faster with 4,000 MB/s read speeds compared to 1,050 MB/s for the Transcend ESD310C 1TB. That's a 281% speed advantage.
Which has better value, Corsair EX400U USB4 or Transcend ESD310C 1TB?
The Corsair EX400U USB4 scores higher (9.2 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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Corsair EX400U USB4 vs Crucial X10 Pro 2TB → Transcend ESD310C 1TB vs Crucial X10 Pro 2TB →
Corsair EX400U USB4 vs Samsung T7 4TB → Transcend ESD310C 1TB vs Samsung T7 4TB →