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Portable SSDs

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Samsung T7 Portable 500GB vs SSK PM510 USB4 Portable 1TB

Compare Samsung T7 Portable 500GB and SSK PM510 USB4 Portable 1TB side by side. Both are 500GB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Samsung

Samsung T7 Portable 500GB
8.7/10

The 500GB T7 is the minimalist baseline — a half-terabyte of well-supported portable storage at the smallest physical size Samsung ships in this line. The right pick if your portable SSD use case is launching apps and carting around working documents rather than media libraries.

Tiny aluminum body
AES 256-bit hardware encryption
Samsung's broad device compatibility
Check on Amazon →

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 →

Spec Comparison

Spec
Samsung T7 Portable 500GB
SSK PM510 USB4 Portable 1TB
Read Speed
1.1 GB/s
3.2 GB/s ✓
Write Speed
1.0 GB/s
2.8 GB/s ✓
Capacity
500 GB
1 TB ✓
Interface
USB 3.2 Gen 2
USB4
Endurance (TBW)
300 TB
600 TB ✓
Warranty
3 Years
3 Years
Score
8.7/10 ✓
8.6/10
Total Wins
1 win
4 wins

Frequently Asked Questions

Which is better, Samsung T7 Portable 500GB or SSK PM510 USB4 Portable 1TB?
The Samsung T7 Portable 500GB scores 8.7/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the Samsung T7 Portable 500GB for its superior value.
What's the difference between Samsung T7 Portable 500GB and SSK PM510 USB4 Portable 1TB?
The key differences: The Samsung T7 Portable 500GB offers 1,050 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 Portable 1TB. Capacity options differ: Samsung T7 Portable 500GB is 500GB while SSK PM510 USB4 Portable 1TB is 1TB. The Samsung T7 Portable 500GB uses USB 3.2 Gen 2 while the SSK PM510 USB4 Portable 1TB uses USB4.
Which is faster, Samsung T7 Portable 500GB or SSK PM510 USB4 Portable 1TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 1,050 MB/s for the Samsung T7 Portable 500GB. That's a 205% speed advantage.
Which has better value, Samsung T7 Portable 500GB or SSK PM510 USB4 Portable 1TB?
The Samsung T7 Portable 500GB 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.

More Comparisons

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