As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

SanDisk Extreme Portable 2TB vs Transcend ESD310C 1TB

Compare SanDisk Extreme Portable 2TB and Transcend ESD310C 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 Portable 2TB

8.6/10

A cheaper alternative to the 2TB Extreme Pro for buyers who need capacity and ruggedization more than sustained write speed. The 2TB die stack actually sustains writes longer than the 1TB before the SLC cache exhausts.

IP55 rugged body

2TB storage

Lower cost than 2TB Extreme Pro

Check on Amazon →

Transcend

Transcend ESD310C 1TB

7.6/10

A tiny 1050-class Gen 2 portable from a long-established memory brand. ESD310C is one of the smallest 1TB Gen 2 SSDs at 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 Portable 2TB

Transcend ESD310C 1TB

Read Speed

1.1 GB/s

Write Speed

1.0 GB/s ✓

950 MB/s

Capacity

2 TB ✓

1 TB

Interface

USB 3.2 Gen 2

Endurance (TBW)

1,200 TB ✓

600 TB

Warranty

3 Years

Score

8.6/10 ✓

7.6/10

Total Wins

4 wins

0 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Portable 2TB or Transcend ESD310C 1TB?

The SanDisk Extreme Portable 2TB scores 8.6/10 compared to 7.6/10 for the Transcend ESD310C 1TB. Our expert analysis favors the SanDisk Extreme Portable 2TB for its superior value.

What's the difference between SanDisk Extreme Portable 2TB and Transcend ESD310C 1TB?

The key differences: The SanDisk Extreme Portable 2TB offers 1,050 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 1TB. Capacity options differ: SanDisk Extreme Portable 2TB is 2TB while Transcend ESD310C 1TB is 1TB. The SanDisk Extreme Portable 2TB uses USB 3.2 Gen 2 while the Transcend ESD310C 1TB uses USB 3.2 Gen 2.

Which is faster, SanDisk Extreme Portable 2TB or Transcend ESD310C 1TB?

Both drives offer the same 1,050 MB/s read speeds.

Which has better value, SanDisk Extreme Portable 2TB or Transcend ESD310C 1TB?

The SanDisk Extreme Portable 2TB 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.

More Comparisons

SanDisk Extreme Portable 2TB vs Samsung T9 2TB → Transcend ESD310C 1TB vs Samsung T9 2TB →

SanDisk Extreme Portable 2TB vs Samsung T9 Portable SSD → Transcend ESD310C 1TB vs Samsung T9 Portable SSD →

SanDisk Extreme Portable 2TB vs Crucial X10 Pro 2TB → Transcend ESD310C 1TB vs Crucial X10 Pro 2TB →

SanDisk Extreme Portable 2TB vs Samsung T7 4TB → Transcend ESD310C 1TB vs Samsung T7 4TB →