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Portable SSDs

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SSK PM510 USB4 Portable 1TB vs Crucial X10 Pro Portable 4TB

Compare SSK PM510 USB4 Portable 1TB and Crucial X10 Pro Portable 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 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
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Our Pick

Crucial

Crucial X10 Pro Portable 4TB
9.6/10

A 4TB Gen 2x2 portable with the full Crucial X10 Pro spec — TLC NAND, AES, 5-year warranty, 2400 TBW. Among the few 4TB Gen 2x2 SSDs at retail, the closest competitor is the Sabrent Rocket Nano V2 4TB.

Gen 2x2 + 4TB
Real TLC NAND
5-year warranty + 2400 TBW
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Spec Comparison

Spec
SSK PM510 USB4 Portable 1TB
Crucial X10 Pro Portable 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 2x2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.6/10
9.6/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 Portable 1TB or Crucial X10 Pro Portable 4TB?
The Crucial X10 Pro Portable 4TB scores 9.6/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the Crucial X10 Pro Portable 4TB for its superior value.
What's the difference between SSK PM510 USB4 Portable 1TB and Crucial X10 Pro Portable 4TB?
The key differences: The SSK PM510 USB4 Portable 1TB offers 3,200 MB/s reads vs 2,000 MB/s for the Crucial X10 Pro Portable 4TB. Capacity options differ: SSK PM510 USB4 Portable 1TB is 1TB while Crucial X10 Pro Portable 4TB is 4TB. The SSK PM510 USB4 Portable 1TB uses USB4 while the Crucial X10 Pro Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, SSK PM510 USB4 Portable 1TB or Crucial X10 Pro Portable 4TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 2,000 MB/s for the Crucial X10 Pro Portable 4TB. That's a 60% speed advantage.
Which has better value, SSK PM510 USB4 Portable 1TB or Crucial X10 Pro Portable 4TB?
The Crucial X10 Pro Portable 4TB scores higher (9.6 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

SSK PM510 USB4 Portable 1TB vs Samsung T9 Portable SSD → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable SSD →
SSK PM510 USB4 Portable 1TB vs Samsung T9 Portable 4TB → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable 4TB →
SSK PM510 USB4 Portable 1TB vs Sabrent Rocket Nano V2 → Crucial X10 Pro Portable 4TB vs Sabrent Rocket Nano V2 →
SSK PM510 USB4 Portable 1TB vs Samsung T9 Portable 2TB → Crucial X10 Pro Portable 4TB vs Samsung T9 Portable 2TB →