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Portable SSDs

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Corsair EX100U Portable 2TB vs SanDisk Extreme Pro Portable 4TB

Compare Corsair EX100U Portable 2TB and SanDisk Extreme Pro Portable 4TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Corsair

Corsair EX100U Portable 2TB
8.5/10

A 2TB Gen 2x2 portable with the Corsair aluminum body. Write speed drops to 1800 MB/s over the 1TB 2000 - a 10% bump down for the larger die stack. Still above 2GB/s on paper for long transfers as long as the host is Gen 2x2.

Gen 2x2 + 2TB
Cool aluminum body
Both cables in box
Check on Amazon →
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
Check on Amazon →

Spec Comparison

Spec
Corsair EX100U Portable 2TB
SanDisk Extreme Pro Portable 4TB
Read Speed
2.0 GB/s ✓
1.1 GB/s
Write Speed
1.8 GB/s ✓
1.0 GB/s
Capacity
2 TB
4 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.5/10
9.3/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, Corsair EX100U Portable 2TB or SanDisk Extreme Pro Portable 4TB?
The SanDisk Extreme Pro Portable 4TB scores 9.3/10 compared to 8.5/10 for the Corsair EX100U Portable 2TB. Our expert analysis favors the SanDisk Extreme Pro Portable 4TB for its superior value.
What's the difference between Corsair EX100U Portable 2TB and SanDisk Extreme Pro Portable 4TB?
The key differences: The Corsair EX100U Portable 2TB offers 2,000 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Pro Portable 4TB. Capacity options differ: Corsair EX100U Portable 2TB is 2TB while SanDisk Extreme Pro Portable 4TB is 4TB. The Corsair EX100U Portable 2TB uses USB 3.2 Gen 2x2 while the SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Corsair EX100U Portable 2TB or SanDisk Extreme Pro Portable 4TB?
The Corsair EX100U Portable 2TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 4TB. That's a 90% speed advantage.
Which has better value, Corsair EX100U Portable 2TB or SanDisk Extreme Pro Portable 4TB?
The SanDisk Extreme Pro Portable 4TB scores higher (9.3 vs 8.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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