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External SSDs

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LaCie Rugged SSD Pro 1TB vs SSK PM510 USB4 1TB

Compare LaCie Rugged SSD Pro 1TB and SSK PM510 USB4 1TB side by side. Both are 1TB 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 1TB
9.0/10

A Thunderbolt 3 portable SSD in LaCie's iconic orange-rubber bumpers — IP67, 3-meter drop, and 1-ton car-proof. The Rugged SSD Pro is the field-shoot standard for video crews who need one drive that survives a van rollover and still delivers Thunderbolt-class 2700 MB/s.

Thunderbolt 3 2700 MB/s
IP67 dust/water
3-meter drop + 1-ton crush
Check on Amazon →

SSK

SSK PM510 USB4 1TB
8.6/10

AUSB4 portable at enthusiast-grade specs — 3200 MB/s read over USB4 / Thunderbolt 4 hosts. The PM510 is one of the more affordable USB4 portables, an entry point for video editors who need Thunderbolt-class speeds but don't want to pay LaCie or OWC premium.

USB4 3200 MB/s
Thunderbolt 4 compatible
Aluminum body
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 1TB
SSK PM510 USB4 1TB
Read Speed
2.7 GB/s
3.2 GB/s ✓
Write Speed
1.9 GB/s
2.8 GB/s ✓
Capacity
1 TB
1 TB
Interface
Thunderbolt 3
USB4
Endurance (TBW)
600 TB
600 TB
Warranty
5 Years ✓
3 Years
Score
9.0/10 ✓
8.6/10
Total Wins
2 wins
2 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 1TB or SSK PM510 USB4 1TB?
The LaCie Rugged SSD Pro 1TB scores 9.0/10 compared to 8.6/10 for the SSK PM510 USB4 1TB. Our expert analysis favors the LaCie Rugged SSD Pro 1TB for its superior value.
What's the difference between LaCie Rugged SSD Pro 1TB and SSK PM510 USB4 1TB?
The key differences: The LaCie Rugged SSD Pro 1TB offers 2,700 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 1TB. Capacity options differ: LaCie Rugged SSD Pro 1TB is 1TB while SSK PM510 USB4 1TB is 1TB. The LaCie Rugged SSD Pro 1TB uses Thunderbolt 3 while the SSK PM510 USB4 1TB uses USB4.
Which is faster, LaCie Rugged SSD Pro 1TB or SSK PM510 USB4 1TB?
The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 2,700 MB/s for the LaCie Rugged SSD Pro 1TB. That's a 19% speed advantage.
Which has better value, LaCie Rugged SSD Pro 1TB or SSK PM510 USB4 1TB?
The LaCie Rugged SSD Pro 1TB scores higher (9.0 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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