Skip to main content
Portable SSDs

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

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

Compare WD My Passport SSD Portable 4TB and Samsung T9 Portable SSD 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
Check on Amazon →
Our Pick

Samsung

Samsung T9 Portable SSD
9.6/10

The fastest Samsung portable SSD with USB 3.2 Gen 2x2 interface. Up to 2GB/s sequential reads.

Fastest Samsung portable SSD
USB 3.2 Gen 2x2 support
5-year warranty
Check on Amazon →

Spec Comparison

Spec
WD My Passport SSD Portable 4TB
Samsung T9 Portable SSD
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/s
1.9 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
3 Years
5 Years ✓
Score
8.7/10
9.6/10 ✓
Total Wins
2 wins
4 wins

Frequently Asked Questions

Which is better, WD My Passport SSD Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD scores 9.6/10 compared to 8.7/10 for the WD My Passport SSD Portable 4TB. Our expert analysis favors the Samsung T9 Portable SSD for its superior speed.
What's the difference between WD My Passport SSD Portable 4TB and Samsung T9 Portable SSD?
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 SSD. Capacity options differ: WD My Passport SSD Portable 4TB is 4TB while Samsung T9 Portable SSD is 1TB. The WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2 while the Samsung T9 Portable SSD uses USB 3.2 Gen 2x2.
Which is faster, WD My Passport SSD Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD 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 SSD?
The Samsung T9 Portable SSD scores higher (9.6 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 4TB → Samsung T9 Portable SSD vs Samsung T9 Portable 4TB →
WD My Passport SSD Portable 4TB vs Crucial X10 Pro Portable 4TB → Samsung T9 Portable SSD vs Crucial X10 Pro Portable 4TB →
WD My Passport SSD Portable 4TB vs Sabrent Rocket Nano V2 → Samsung T9 Portable SSD vs Sabrent Rocket Nano V2 →
WD My Passport SSD Portable 4TB vs Samsung T9 Portable 2TB → Samsung T9 Portable SSD vs Samsung T9 Portable 2TB →