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Portable SSDs

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LaCie Rugged SSD Pro Portable 4TB vs Transcend ESD310C Portable 1TB — Which Portable SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro Portable 4TB and Transcend ESD310C Portable 1TB 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 Portable 4TB
9.2/10

A 4TB Thunderbolt 3 portable in the iconic LaCie rugged orange body - one-of-one at this capacity/speed tier. Largely without competitor at 4TB Thunderbolt 3 + IP67 = niche product, premium pricing pairs the niche.

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

Transcend

Transcend ESD310C Portable 1TB
7.6/10

A tiny 1050-class Gen 2 portable from a long-established memory brand. The ESD310C is among the smallest 1TB Gen 2 SSDs in 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
LaCie Rugged SSD Pro Portable 4TB
Transcend ESD310C Portable 1TB
Read Speed
2.7 GB/s ✓
1.1 GB/s
Write Speed
1.9 GB/s ✓
950 MB/s
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 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, LaCie Rugged SSD Pro Portable 4TB or Transcend ESD310C Portable 1TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 7.6/10 for the Transcend ESD310C Portable 1TB. Our expert analysis favors the LaCie Rugged SSD Pro Portable 4TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro Portable 4TB and Transcend ESD310C Portable 1TB?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 1,050 MB/s for the Transcend ESD310C Portable 1TB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while Transcend ESD310C Portable 1TB is 1TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the Transcend ESD310C Portable 1TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or Transcend ESD310C Portable 1TB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the Transcend ESD310C Portable 1TB. That's a 157% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or Transcend ESD310C Portable 1TB?
The LaCie Rugged SSD Pro Portable 4TB 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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