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Portable SSDs

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LaCie Rugged SSD Pro Portable 4TB vs Seagate One Touch SSD Portable 500GB — Which Portable SSD Is Faster & Better Value?

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

Seagate

Seagate One Touch SSD Portable 500GB
7.5/10

A 500GB One Touch is Seagate's bottom-of-line portable SSD — usually the cheapest brand-name Gen 2 1TB-and-below portable at retail. The bundle includes Rescue data recovery (extending Seagate's warranty protection into physical damage recovery).

1030 MB/s read
Budget pricing
Both USB-C and USB-A cables
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
Seagate One Touch SSD Portable 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 ✓
7.5/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro Portable 4TB or Seagate One Touch SSD Portable 500GB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 7.5/10 for the Seagate One Touch SSD Portable 500GB. 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 Seagate One Touch SSD Portable 500GB?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while Seagate One Touch SSD Portable 500GB is 500GB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the Seagate One Touch SSD Portable 500GB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or Seagate One Touch SSD Portable 500GB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. That's a 162% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or Seagate One Touch SSD Portable 500GB?
The LaCie Rugged SSD Pro Portable 4TB scores higher (9.2 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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