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Portable SSDs

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SanDisk Extreme Pro Portable 2TB vs Transcend ESD310C Portable 1TB — Which Portable SSD Is Faster & Better Value?

Compare SanDisk Extreme Pro Portable 2TB and Transcend ESD310C Portable 1TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

SanDisk

SanDisk Extreme Pro Portable 2TB
9.2/10

A 2TB IP55 rugged portable SSD with a 5-year warranty — the SanDisk sweet-spot for outdoor photographers traveling with RAW libraries. The 5-year coverage beats Samsung's T7 family by 2 years, and the IP55 rating beats it by IP rating points.

IP55 rugged body
5-year warranty
Both USB-C and USB-A cables included
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
SanDisk Extreme Pro Portable 2TB
Transcend ESD310C Portable 1TB
Read Speed
1.1 GB/s
1.1 GB/s
Write Speed
1.0 GB/s ✓
950 MB/s
Capacity
2 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
7.6/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable 2TB or Transcend ESD310C Portable 1TB?
The SanDisk Extreme Pro Portable 2TB scores 9.2/10 compared to 7.6/10 for the Transcend ESD310C Portable 1TB. Our expert analysis favors the SanDisk Extreme Pro Portable 2TB for its superior value.
What's the difference between SanDisk Extreme Pro Portable 2TB and Transcend ESD310C Portable 1TB?
The key differences: The SanDisk Extreme Pro Portable 2TB offers 1,050 MB/s reads vs 1,050 MB/s for the Transcend ESD310C Portable 1TB. Capacity options differ: SanDisk Extreme Pro Portable 2TB is 2TB while Transcend ESD310C Portable 1TB is 1TB. The SanDisk Extreme Pro Portable 2TB uses USB 3.2 Gen 2 while the Transcend ESD310C Portable 1TB uses USB 3.2 Gen 2.
Which is faster, SanDisk Extreme Pro Portable 2TB or Transcend ESD310C Portable 1TB?
Both drives offer the same 1,050 MB/s read speeds.
Which has better value, SanDisk Extreme Pro Portable 2TB or Transcend ESD310C Portable 1TB?
The SanDisk Extreme Pro Portable 2TB scores higher (9.2 vs 7.6/10), 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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SanDisk Extreme Pro Portable 2TB vs Crucial X10 Pro Portable 4TB → Transcend ESD310C Portable 1TB vs Crucial X10 Pro Portable 4TB →
SanDisk Extreme Pro Portable 2TB vs Sabrent Rocket Nano V2 → Transcend ESD310C Portable 1TB vs Sabrent Rocket Nano V2 →