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External SSDs

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Lexar SL100 Pro 1TB vs WD My Passport SSD 4TB

Compare Lexar SL100 Pro 1TB and WD My Passport SSD 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL100 Pro 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
Check on Amazon →
Our Pick

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
Lexar SL100 Pro 1TB
WD My Passport SSD 4TB
Read Speed
950 MB/s
1.1 GB/s ✓
Write Speed
950 MB/s
1.0 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
3 Years
Score
7.5/10
8.6/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Lexar SL100 Pro 1TB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB scores 8.6/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the WD My Passport SSD 4TB for its superior speed.
What's the difference between Lexar SL100 Pro 1TB and WD My Passport SSD 4TB?
The key differences: The Lexar SL100 Pro 1TB offers 950 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: Lexar SL100 Pro 1TB is 1TB while WD My Passport SSD 4TB is 4TB. The Lexar SL100 Pro 1TB uses USB 3.2 Gen 2 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL100 Pro 1TB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB is faster with 1,050 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 11% speed advantage.
Which has better value, Lexar SL100 Pro 1TB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB scores higher (8.6 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL100 Pro 1TB vs Samsung T9 2TB → WD My Passport SSD 4TB vs Samsung T9 2TB →
Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD → WD My Passport SSD 4TB vs Samsung T9 Portable SSD →
Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB → WD My Passport SSD 4TB vs Crucial X10 Pro 2TB →
Lexar SL100 Pro 1TB vs Samsung T7 4TB → WD My Passport SSD 4TB vs Samsung T7 4TB →