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Portable SSDs

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SSK PM510 USB4 Portable 1TB vs Transcend ESD310C Portable 1TB

Compare SSK PM510 USB4 Portable 1TB and Transcend ESD310C Portable 1TB side by side. Both are 1TB USB4 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

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 →

Transcend

Transcend ESD310C Portable 1TB
7.6/10

A tiny 1050-class Gen 2 portable from a long-established memory brand. The ESD310C is among the smallest 1TB Gen 2 SSDs in retail -- small enough to be lost in a bag. Buy it for the form factor over sustained performance.

1050/950 MB/s
Tiny credit-card footprint
3-year warranty
Check on Amazon →

Spec Comparison

Spec
SSK PM510 USB4 Portable 1TB
Transcend ESD310C Portable 1TB
Read Speed
3.2 GB/s ✓
1.1 GB/s
Write Speed
2.8 GB/s ✓
950 MB/s
Capacity
1 TB
1 TB
Interface
USB4
USB 3.2 Gen 2
Endurance (TBW)
600 TB
600 TB
Warranty
3 Years
3 Years
Score
8.6/10 ✓
7.6/10
Total Wins
3 wins
0 wins

Frequently Asked Questions

Which is better, SSK PM510 USB4 Portable 1TB or Transcend ESD310C Portable 1TB?
The SSK PM510 USB4 Portable 1TB scores 8.6/10 compared to 7.6/10 for the Transcend ESD310C Portable 1TB. Our expert analysis favors the SSK PM510 USB4 Portable 1TB for its superior speed.
What's the difference between SSK PM510 USB4 Portable 1TB and Transcend ESD310C Portable 1TB?
The key differences: The SSK PM510 USB4 Portable 1TB offers 3,200 MB/s reads vs 1,050 MB/s for the Transcend ESD310C Portable 1TB. Capacity options differ: SSK PM510 USB4 Portable 1TB is 1TB while Transcend ESD310C Portable 1TB is 1TB. The SSK PM510 USB4 Portable 1TB uses USB4 while the Transcend ESD310C Portable 1TB uses USB 3.2 Gen 2.
Which is faster, SSK PM510 USB4 Portable 1TB or Transcend ESD310C 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 Transcend ESD310C Portable 1TB. That's a 205% speed advantage.
Which has better value, SSK PM510 USB4 Portable 1TB or Transcend ESD310C Portable 1TB?
The SSK PM510 USB4 Portable 1TB scores higher (8.6 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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