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SSK PM510 USB4 1TB vs WD My Passport SSD 4TB

Compare SSK PM510 USB4 1TB and WD My Passport SSD 4TB 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 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

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Western Digital

WD My Passport SSD 4TB

8.6/10

The 4TB My Passport SSD has a niche-of-one — the only 4TB USB-C portable from WD in this form factor. A viable T7 4TB competitor on sale, but check price moves against the Samsung before committing.

4TB in slim body

1050/1000 MB/s

Hardware encryption included

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Spec Comparison

Spec

SSK PM510 USB4 1TB

WD My Passport SSD 4TB

Read Speed

3.2 GB/s ✓

1.1 GB/s

Write Speed

2.8 GB/s ✓

1.0 GB/s

Capacity

1 TB

4 TB ✓

Interface

USB4

USB 3.2 Gen 2

Endurance (TBW)

600 TB

2,400 TB ✓

Warranty

3 Years

Score

8.6/10

Total Wins

2 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 1TB or WD My Passport SSD 4TB?

Both drives score 8.6/10 in our expert testing. The best choice depends on your specific needs.

What's the difference between SSK PM510 USB4 1TB and WD My Passport SSD 4TB?

The key differences: The SSK PM510 USB4 1TB offers 3,200 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: SSK PM510 USB4 1TB is 1TB while WD My Passport SSD 4TB is 4TB. The SSK PM510 USB4 1TB uses USB4 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.

Which is faster, SSK PM510 USB4 1TB or WD My Passport SSD 4TB?

The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD 4TB. That's a 205% speed advantage.

Which has better value, SSK PM510 USB4 1TB or WD My Passport SSD 4TB?

Both drives score the same in our evaluation. Consider features, endurance, and warranty to determine which suits your needs better.

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