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Portable SSDs

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LaCie Rugged SSD Portable 2TB vs SSK PM510 USB4 Portable 1TB

Compare LaCie Rugged SSD Portable 2TB and SSK PM510 USB4 Portable 1TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

LaCie

LaCie Rugged SSD Portable 2TB
8.7/10

The 2TB non-Pro Rugged SSD keeps the iconic orange armor but doubles capacity. A frequent pick for outdoor photographers shooting medium-format RAW, where the IP67 rating matters more than the Pro model's Thunderbolt speeds, and the 950 MB/s USB-C is plenty fast.

2TB + IP67 rugged
5-year Rescue
Detachable USB-C cable
Check on Amazon →

SSK

SSK PM510 USB4 Portable 1TB
8.6/10

A USB4 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 do not 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 Portable 2TB
SSK PM510 USB4 Portable 1TB
Read Speed
950 MB/s
3.2 GB/s ✓
Write Speed
950 MB/s
2.8 GB/s ✓
Capacity
2 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB4
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
8.7/10 ✓
8.6/10
Total Wins
4 wins
2 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Portable 2TB or SSK PM510 USB4 Portable 1TB?
The LaCie Rugged SSD Portable 2TB scores 8.7/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the LaCie Rugged SSD Portable 2TB for its superior value.
What's the difference between LaCie Rugged SSD Portable 2TB and SSK PM510 USB4 Portable 1TB?
The key differences: The LaCie Rugged SSD Portable 2TB offers 950 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 Portable 1TB. Capacity options differ: LaCie Rugged SSD Portable 2TB is 2TB while SSK PM510 USB4 Portable 1TB is 1TB. The LaCie Rugged SSD Portable 2TB uses USB 3.2 Gen 2 while the SSK PM510 USB4 Portable 1TB uses USB4.
Which is faster, LaCie Rugged SSD Portable 2TB or SSK PM510 USB4 Portable 1TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 950 MB/s for the LaCie Rugged SSD Portable 2TB. That's a 237% speed advantage.
Which has better value, LaCie Rugged SSD Portable 2TB or SSK PM510 USB4 Portable 1TB?
The LaCie Rugged SSD Portable 2TB scores higher (8.7 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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