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Portable SSDs

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SSK PM510 USB4 Portable 1TB vs WD My Passport SSD Portable 2TB

Compare SSK PM510 USB4 Portable 1TB and WD My Passport SSD Portable 2TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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 →
Our Pick

Western Digital

WD My Passport SSD Portable 2TB
8.7/10

A 2TB WD My Passport SSD in the same slim form factor. Both USB-C and USB-A cables in box, hardware encryption in WD Dashboard software. A value pick vs the T7 2TB when on sale — with the caveat that the 3-year warranty is shorter than Samsung's.

2TB slim Gen 2
256-bit AES hardware encryption
Both cables included
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Spec Comparison

Spec
SSK PM510 USB4 Portable 1TB
WD My Passport SSD Portable 2TB
Read Speed
3.2 GB/s ✓
1.1 GB/s
Write Speed
2.8 GB/s ✓
1.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
8.6/10
8.7/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 Portable 1TB or WD My Passport SSD Portable 2TB?
The WD My Passport SSD Portable 2TB scores 8.7/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the WD My Passport SSD Portable 2TB for its superior value.
What's the difference between SSK PM510 USB4 Portable 1TB and WD My Passport SSD Portable 2TB?
The key differences: The SSK PM510 USB4 Portable 1TB offers 3,200 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 2TB. Capacity options differ: SSK PM510 USB4 Portable 1TB is 1TB while WD My Passport SSD Portable 2TB is 2TB. The SSK PM510 USB4 Portable 1TB uses USB4 while the WD My Passport SSD Portable 2TB uses USB 3.2 Gen 2.
Which is faster, SSK PM510 USB4 Portable 1TB or WD My Passport SSD Portable 2TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD Portable 2TB. That's a 205% speed advantage.
Which has better value, SSK PM510 USB4 Portable 1TB or WD My Passport SSD Portable 2TB?
The WD My Passport 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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