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

Compare SanDisk Extreme Pro Portable 1TB and Transcend ESD310C 2TB side by side. Both are 1TB 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 1TB

9.1/10

A 1050 MB/s portable SSD in an aluminum-and-rubber body with an IP55 dust/water rating. The Extreme Pro is the ruggedized competitor to the Samsung T7 Shield — headlining a 5-year warranty where Samsung offers 3, and including both USB-C-to-C and USB-C-to-A cables.

IP55 dust and water resistant

Aluminum chassis with rubber bumper

5-year warranty

Check on Amazon →

Transcend

Transcend ESD310C 2TB

7.7/10

The 2TB ESD310C keeps the same tiny plastic credit-card footprint of the 1TB — Transcend fits an unusually large stack in an unusually small case. The 2TB cache budget also holds the 950 MB/s write past 200GB on long transfers.

1050/950 MB/s

Tiny footprint

2400 TBW endurance

Check on Amazon →

Spec Comparison

Spec

SanDisk Extreme Pro Portable 1TB

Transcend ESD310C 2TB

Read Speed

1.1 GB/s

Write Speed

1.0 GB/s ✓

950 MB/s

Capacity

1 TB

2 TB ✓

Interface

USB 3.2 Gen 2

Endurance (TBW)

600 TB

1,200 TB ✓

Warranty

5 Years ✓

3 Years

Score

9.1/10 ✓

7.7/10

Total Wins

3 wins

2 wins

Frequently Asked Questions

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

The SanDisk Extreme Pro Portable 1TB scores 9.1/10 compared to 7.7/10 for the Transcend ESD310C 2TB. Our expert analysis favors the SanDisk Extreme Pro Portable 1TB for its superior value.

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

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

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

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

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

The SanDisk Extreme Pro Portable 1TB scores higher (9.1 vs 7.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

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

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

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

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