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Portable SSDs

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WD My Passport SSD Portable 4TB vs Samsung T9 Portable 2TB

Compare WD My Passport SSD Portable 4TB and Samsung T9 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.

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
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Our Pick

Samsung

Samsung T9 Portable 2TB
9.5/10

The 2TB T9 portable doubles the write endurance of the 1TB T9. The T9's premium for the Gen 2x2 link matters on portable workflow where you're moving enormous files regularly — PS5 game imports, large B-roll offloads — and don't want to wait Gen 2 speeds.

Gen 2x2 2000/2000 MB/s
5-year warranty
Sustained writes hold past 300GB
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Spec Comparison

Spec
WD My Passport SSD Portable 4TB
Samsung T9 Portable 2TB
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/s
2.0 GB/s ✓
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
3 Years
5 Years ✓
Score
8.7/10
9.5/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, WD My Passport SSD Portable 4TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores 9.5/10 compared to 8.7/10 for the WD My Passport SSD Portable 4TB. Our expert analysis favors the Samsung T9 Portable 2TB for its superior speed.
What's the difference between WD My Passport SSD Portable 4TB and Samsung T9 Portable 2TB?
The key differences: The WD My Passport SSD Portable 4TB offers 1,050 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 2TB. Capacity options differ: WD My Passport SSD Portable 4TB is 4TB while Samsung T9 Portable 2TB is 2TB. The WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2 while the Samsung T9 Portable 2TB uses USB 3.2 Gen 2x2.
Which is faster, WD My Passport SSD Portable 4TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD Portable 4TB. That's a 90% speed advantage.
Which has better value, WD My Passport SSD Portable 4TB or Samsung T9 Portable 2TB?
The Samsung T9 Portable 2TB scores higher (9.5 vs 8.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

WD My Passport SSD Portable 4TB vs Samsung T9 Portable SSD → Samsung T9 Portable 2TB vs Samsung T9 Portable SSD →
WD My Passport SSD Portable 4TB vs Samsung T9 Portable 4TB → Samsung T9 Portable 2TB vs Samsung T9 Portable 4TB →
WD My Passport SSD Portable 4TB vs Crucial X10 Pro Portable 4TB → Samsung T9 Portable 2TB vs Crucial X10 Pro Portable 4TB →
WD My Passport SSD Portable 4TB vs Sabrent Rocket Nano V2 → Samsung T9 Portable 2TB vs Sabrent Rocket Nano V2 →