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WD My Passport SSD 2TB vs WD My Passport SSD 4TB — Which External SSD Is Faster & Better Value?

Compare WD My Passport SSD 2TB and WD My Passport SSD 4TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Western Digital

WD My Passport SSD 2TB

8.7/10

A 2TB WD My Passport SSD in the slim profile — 1050/1000 MB/s over USB-C with hardware encryption. The price-by-size math is competitive against the T7 family on sale, and the bundled software ( WD Discovery / Dashboard) is genuinely useful for diagnostics.

1050/1000 MB/s

256-bit AES hardware encryption

Slim metal-and-plastic body

Check on Amazon →

Western Digital

WD My Passport SSD 4TB

8.6/10

The 4TB My Passport SSD has a niche-of-one — the only 4TB USB-C portable from WD in this form factor. A viable T7 4TB competitor on sale, but check price moves against the Samsung before committing.

4TB in slim body

1050/1000 MB/s

Hardware encryption included

Check on Amazon →

Spec Comparison

Spec

WD My Passport SSD 2TB

WD My Passport SSD 4TB

Read Speed

1.1 GB/s

Write Speed

1.0 GB/s

Capacity

2 TB

4 TB ✓

Interface

USB 3.2 Gen 2

Endurance (TBW)

1,200 TB

2,400 TB ✓

Warranty

3 Years

Score

8.7/10 ✓

8.6/10

Total Wins

1 win

2 wins

Frequently Asked Questions

Which is better, WD My Passport SSD 2TB or WD My Passport SSD 4TB?

The WD My Passport SSD 2TB scores 8.7/10 compared to 8.6/10 for the WD My Passport SSD 4TB. Our expert analysis favors the WD My Passport SSD 2TB for its superior value.

What's the difference between WD My Passport SSD 2TB and WD My Passport SSD 4TB?

The key differences: The WD My Passport SSD 2TB offers 1,050 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: WD My Passport SSD 2TB is 2TB while WD My Passport SSD 4TB is 4TB. The WD My Passport SSD 2TB uses USB 3.2 Gen 2 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.

Which is faster, WD My Passport SSD 2TB or WD My Passport SSD 4TB?

Both drives offer the same 1,050 MB/s read speeds.

Which has better value, WD My Passport SSD 2TB or WD My Passport SSD 4TB?

The WD My Passport SSD 2TB scores higher (8.7 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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WD My Passport SSD 2TB vs Samsung T7 4TB → WD My Passport SSD 4TB vs Samsung T7 4TB →