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External SSDs

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LaCie Rugged SSD Pro 4TB vs Transcend ESD310C 2TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 4TB and Transcend ESD310C 2TB side by side. Both are 4TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

LaCie

LaCie Rugged SSD Pro 4TB
9.2/10

A 4TBThunderbolt 3 portable — uniquely huge for this speed tier. The Rugged SSD Pro 4TB fills a slot nothing else really does: 4TB of fast external storage that's actually rugged, not just claimed to be.

Thunderbolt 3 + 4TB
IP67 + 3m drop + 1-ton crush
5-year Rescue
Check on Amazon →

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
LaCie Rugged SSD Pro 4TB
Transcend ESD310C 2TB
Read Speed
2.7 GB/s ✓
1.1 GB/s
Write Speed
1.9 GB/s ✓
950 MB/s
Capacity
4 TB ✓
2 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
7.7/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or Transcend ESD310C 2TB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 7.7/10 for the Transcend ESD310C 2TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 4TB and Transcend ESD310C 2TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 2TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while Transcend ESD310C 2TB is 2TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the Transcend ESD310C 2TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or Transcend ESD310C 2TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the Transcend ESD310C 2TB. That's a 157% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or Transcend ESD310C 2TB?
The LaCie Rugged SSD Pro 4TB scores higher (9.2 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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