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External SSDs

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LaCie Rugged SSD Pro 4TB vs Seagate One Touch SSD 500GB

Compare LaCie Rugged SSD Pro 4TB and Seagate One Touch SSD 500GB 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 →

Seagate

Seagate One Touch SSD 500GB
7.6/10

The 500GB One Touch is Seagate's entry-level portable SSD — typically the cheapest brand-name 1050-class Gen 2 drive at retail. Speeds are real-world faster than rated for short transfers; the catch is that the SLC cache is tiny.

1030 MB/s read
Cheapest brand-name Gen 2 SSD class
Both cables included
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 4TB
Seagate One Touch SSD 500GB
Read Speed
2.7 GB/s ✓
1.0 GB/s
Write Speed
1.9 GB/s ✓
1.0 GB/s
Capacity
4 TB ✓
500 GB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
300 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 4TB or Seagate One Touch SSD 500GB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. 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 Seagate One Touch SSD 500GB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 500GB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while Seagate One Touch SSD 500GB is 500GB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the Seagate One Touch SSD 500GB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or Seagate One Touch SSD 500GB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 500GB. That's a 162% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or Seagate One Touch SSD 500GB?
The LaCie Rugged SSD Pro 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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