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Portable SSDs

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SSK PM510 USB4 Portable 1TB vs Samsung T9 Portable 2TB

Compare SSK PM510 USB4 Portable 1TB and Samsung T9 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
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Our Pick

Samsung

Samsung T9 Portable 2TB
9.5/10

The 2TB T9 portable doubles the write endurance of the 1TB T9. The T9's premium for the Gen 2x2 link matters on portable workflow where you're moving enormous files regularly — PS5 game imports, large B-roll offloads — and don't want to wait Gen 2 speeds.

Gen 2x2 2000/2000 MB/s
5-year warranty
Sustained writes hold past 300GB
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Spec Comparison

Spec
SSK PM510 USB4 Portable 1TB
Samsung T9 Portable 2TB
Read Speed
3.2 GB/s ✓
2.0 GB/s
Write Speed
2.8 GB/s ✓
2.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB4
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.6/10
9.5/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 Portable 1TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores 9.5/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the Samsung T9 Portable 2TB for its superior value.
What's the difference between SSK PM510 USB4 Portable 1TB and Samsung T9 Portable 2TB?
The key differences: The SSK PM510 USB4 Portable 1TB offers 3,200 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 2TB. Capacity options differ: SSK PM510 USB4 Portable 1TB is 1TB while Samsung T9 Portable 2TB is 2TB. The SSK PM510 USB4 Portable 1TB uses USB4 while the Samsung T9 Portable 2TB uses USB 3.2 Gen 2x2.
Which is faster, SSK PM510 USB4 Portable 1TB or Samsung T9 Portable 2TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 2,000 MB/s for the Samsung T9 Portable 2TB. That's a 60% speed advantage.
Which has better value, SSK PM510 USB4 Portable 1TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores higher (9.5 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 → Samsung T9 Portable 2TB vs Samsung T9 Portable SSD →
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