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Portable SSDs

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SanDisk Extreme Pro Portable 4TB vs WD My Passport SSD Portable 4TB

Compare SanDisk Extreme Pro Portable 4TB and WD My Passport SSD Portable 4TB 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
Check on Amazon →

Western Digital

WD My Passport SSD Portable 4TB
8.7/10

A 4TB My Passport SSD portable — same physical package as the 1TB/2TB but with the 4TB die stack. The biggest single-portable WD ships and one of the few 4TB portable SSDs at retail, period. Compares closely with the Samsung T7 4TB.

4TB slim form factor
2400 TBW endurance
AES hardware encryption
Check on Amazon →

Spec Comparison

Spec
SanDisk Extreme Pro Portable 4TB
WD My Passport SSD Portable 4TB
Read Speed
1.1 GB/s
1.1 GB/s
Write Speed
1.0 GB/s
1.0 GB/s
Capacity
4 TB
4 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
5 Years ✓
3 Years
Score
9.3/10 ✓
8.7/10
Total Wins
2 wins
0 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro Portable 4TB or WD My Passport SSD Portable 4TB?
The SanDisk Extreme Pro Portable 4TB scores 9.3/10 compared to 8.7/10 for the WD My Passport SSD Portable 4TB. 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 WD My Passport SSD Portable 4TB?
The key differences: The SanDisk Extreme Pro Portable 4TB offers 1,050 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 4TB. Capacity options differ: SanDisk Extreme Pro Portable 4TB is 4TB while WD My Passport SSD Portable 4TB is 4TB. The SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2 while the WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, SanDisk Extreme Pro Portable 4TB or WD My Passport SSD Portable 4TB?
Both drives offer the same 1,050 MB/s read speeds.
Which has better value, SanDisk Extreme Pro Portable 4TB or WD My Passport SSD Portable 4TB?
The SanDisk Extreme Pro Portable 4TB scores higher (9.3 vs 8.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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