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External SSDs

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SSK PM510 USB4 1TB vs WD Black P50 Game Drive SSD 4TB

Compare SSK PM510 USB4 1TB and WD Black P50 Game Drive 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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Our Pick

Western Digital

WD Black P50 Game Drive SSD 4TB
8.7/10

A 4TB SSD explicitly marketed for PS5/Xbox Series X|S game-library cold storage — the entire point is moving games you're not currently playing off the internal SSD without redownloading. Both cables in box, 5-year warranty.

4TB Gen 2x2 storage
5-year warranty
Both USB-C and USB-A cables
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Spec Comparison

Spec
SSK PM510 USB4 1TB
WD Black P50 Game Drive SSD 4TB
Read Speed
3.2 GB/s ✓
2.0 GB/s
Write Speed
2.8 GB/s ✓
2.0 GB/s
Capacity
1 TB
4 TB ✓
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.6/10
8.7/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB scores 8.7/10 compared to 8.6/10 for the SSK PM510 USB4 1TB. Our expert analysis favors the WD Black P50 Game Drive SSD 4TB for its superior value.
What's the difference between SSK PM510 USB4 1TB and WD Black P50 Game Drive SSD 4TB?
The key differences: The SSK PM510 USB4 1TB offers 3,200 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD 4TB. Capacity options differ: SSK PM510 USB4 1TB is 1TB while WD Black P50 Game Drive SSD 4TB is 4TB. The SSK PM510 USB4 1TB uses USB4 while the WD Black P50 Game Drive SSD 4TB uses USB 3.2 Gen 2.
Which is faster, SSK PM510 USB4 1TB or WD Black P50 Game Drive SSD 4TB?
The SSK PM510 USB4 1TB is faster with 3,200 MB/s read speeds compared to 2,000 MB/s for the WD Black P50 Game Drive SSD 4TB. That's a 60% speed advantage.
Which has better value, SSK PM510 USB4 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB 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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