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Portable SSDs

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SanDisk Extreme Pro Portable 4TB vs Transcend ESD310C Portable 2TB — Which Portable SSD Is Faster & Better Value?

Compare SanDisk Extreme Pro Portable 4TB and Transcend ESD310C Portable 2TB side by side. Both are 4TB 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 4TB
9.3/10

The 4TB Extreme Pro is the largest portable SSD in SanDisk's ruggedized line and a direct competitor to the Samsung T7 Shield 4TB. The 5-year warranty plus IP55 rubber armor are distinguishing factors vs other 4TB portable SSDs — most peers only offer 3.

4TB @ IP55 rugged
5-year warranty
Both cables in box
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Transcend

Transcend ESD310C Portable 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
SanDisk Extreme Pro Portable 4TB
Transcend ESD310C Portable 2TB
Read Speed
1.1 GB/s
1.1 GB/s
Write Speed
1.0 GB/s ✓
950 MB/s
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
5 Years ✓
3 Years
Score
9.3/10 ✓
7.7/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable 4TB or Transcend ESD310C Portable 2TB?
The SanDisk Extreme Pro Portable 4TB scores 9.3/10 compared to 7.7/10 for the Transcend ESD310C Portable 2TB. Our expert analysis favors the SanDisk Extreme Pro Portable 4TB for its superior value.
What's the difference between SanDisk Extreme Pro Portable 4TB and Transcend ESD310C Portable 2TB?
The key differences: The SanDisk Extreme Pro Portable 4TB offers 1,050 MB/s reads vs 1,050 MB/s for the Transcend ESD310C Portable 2TB. Capacity options differ: SanDisk Extreme Pro Portable 4TB is 4TB while Transcend ESD310C Portable 2TB is 2TB. The SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2 while the Transcend ESD310C Portable 2TB uses USB 3.2 Gen 2.
Which is faster, SanDisk Extreme Pro Portable 4TB or Transcend ESD310C Portable 2TB?
Both drives offer the same 1,050 MB/s read speeds.
Which has better value, SanDisk Extreme Pro Portable 4TB or Transcend ESD310C Portable 2TB?
The SanDisk Extreme Pro Portable 4TB scores higher (9.3 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 4TB vs Samsung T9 Portable SSD → Transcend ESD310C Portable 2TB vs Samsung T9 Portable SSD →
SanDisk Extreme Pro Portable 4TB vs Samsung T9 Portable 4TB → Transcend ESD310C Portable 2TB vs Samsung T9 Portable 4TB →
SanDisk Extreme Pro Portable 4TB vs Crucial X10 Pro Portable 4TB → Transcend ESD310C Portable 2TB vs Crucial X10 Pro Portable 4TB →
SanDisk Extreme Pro Portable 4TB vs Sabrent Rocket Nano V2 → Transcend ESD310C Portable 2TB vs Sabrent Rocket Nano V2 →