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Portable SSDs

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SanDisk Extreme Pro Portable SSD vs SSK PM510 USB4 Portable 1TB

Compare SanDisk Extreme Pro Portable SSD and SSK PM510 USB4 Portable 1TB side by side. Both are 1TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

SanDisk

SanDisk Extreme Pro Portable SSD
9.4/10

Extreme speeds in a rugged, compact drive. IP55 water/dust resistance with a carabiner loop.

Excellent 2000MB/s read and write
IP55 water and dust resistance
5-year warranty
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
SanDisk Extreme Pro Portable SSD
SSK PM510 USB4 Portable 1TB
Read Speed
2.0 GB/s
3.2 GB/s ✓
Write Speed
2.0 GB/s
2.8 GB/s ✓
Capacity
1 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB4
Endurance (TBW)
600 TB
600 TB
Warranty
5 Years ✓
3 Years
Score
9.4/10 ✓
8.6/10
Total Wins
3 wins
2 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable SSD or SSK PM510 USB4 Portable 1TB?
The SanDisk Extreme Pro Portable SSD scores 9.4/10 compared to 8.6/10 for the SSK PM510 USB4 Portable 1TB. Our expert analysis favors the SanDisk Extreme Pro Portable SSD for its superior value.
What's the difference between SanDisk Extreme Pro Portable SSD and SSK PM510 USB4 Portable 1TB?
The key differences: The SanDisk Extreme Pro Portable SSD offers 2,000 MB/s reads vs 3,200 MB/s for the SSK PM510 USB4 Portable 1TB. Capacity options differ: SanDisk Extreme Pro Portable SSD is 1TB while SSK PM510 USB4 Portable 1TB is 1TB. The SanDisk Extreme Pro Portable SSD uses USB 3.2 Gen 2x2 while the SSK PM510 USB4 Portable 1TB uses USB4.
Which is faster, SanDisk Extreme Pro Portable SSD or SSK PM510 USB4 Portable 1TB?
The SSK PM510 USB4 Portable 1TB is faster with 3,200 MB/s read speeds compared to 2,000 MB/s for the SanDisk Extreme Pro Portable SSD. That's a 60% speed advantage.
Which has better value, SanDisk Extreme Pro Portable SSD or SSK PM510 USB4 Portable 1TB?
The SanDisk Extreme Pro Portable SSD scores higher (9.4 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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