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Crucial X9 Pro 1TB vs Transcend ESD310C 2TB — Which External SSD Is Faster & Better Value?

Compare Crucial X9 Pro 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

Crucial

Crucial X9 Pro 1TB

9.0/10

A 1050 MB/s portable SSD for creators who need TLC NAND, hardware encryption, and a 5-year warranty at less than Extreme Pro prices. The X9 Pro is Crucial's premium Gen 2 line — it targets direct-edit workflows where sustained writes and write endurance matter more than headline speeds.

Real TLC NAND (not QLC)

5-year warranty

AES 256-bit hardware encryption

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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

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Spec Comparison

Spec

Crucial X9 Pro 1TB

Transcend ESD310C 2TB

Read Speed

1.1 GB/s

Write Speed

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

9.0/10 ✓

7.7/10

Total Wins

2 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro 1TB or Transcend ESD310C 2TB?

The Crucial X9 Pro 1TB scores 9.0/10 compared to 7.7/10 for the Transcend ESD310C 2TB. Our expert analysis favors the Crucial X9 Pro 1TB for its superior value.

What's the difference between Crucial X9 Pro 1TB and Transcend ESD310C 2TB?

The key differences: The Crucial X9 Pro 1TB offers 1,050 MB/s reads vs 1,050 MB/s for the Transcend ESD310C 2TB. Capacity options differ: Crucial X9 Pro 1TB is 1TB while Transcend ESD310C 2TB is 2TB. The Crucial X9 Pro 1TB uses USB 3.2 Gen 2 while the Transcend ESD310C 2TB uses USB 3.2 Gen 2.

Which is faster, Crucial X9 Pro 1TB or Transcend ESD310C 2TB?

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

Which has better value, Crucial X9 Pro 1TB or Transcend ESD310C 2TB?

The Crucial X9 Pro 1TB scores higher (9.0 vs 7.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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