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.

Lexar SL660 Portable 1TB vs WD My Passport SSD Portable 2TB

Compare Lexar SL660 Portable 1TB and WD My Passport SSD Portable 2TB side by side. Both are 1TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL660 Portable 1TB
8.1/10

A 1TB Gen 2x2 portable with an aluminum body and an RGB-lit Logo -- the RGB is divisive but the performance is real. Build quality distinguishes the SL660 from cheaper Gen 2x2 peers like the Patriot Evlvr.

Gen 2x2 2000/2000 MB/s
Aluminum body
3-year warranty
Check on Amazon →
Our Pick

Western Digital

WD My Passport SSD Portable 2TB
8.7/10

A 2TB WD My Passport SSD in the same slim form factor. Both USB-C and USB-A cables in box, hardware encryption in WD Dashboard software. A value pick vs the T7 2TB when on sale — with the caveat that the 3-year warranty is shorter than Samsung's.

2TB slim Gen 2
256-bit AES hardware encryption
Both cables included
Check on Amazon →

Spec Comparison

Spec
Lexar SL660 Portable 1TB
WD My Passport SSD Portable 2TB
Read Speed
2.0 GB/s ✓
1.1 GB/s
Write Speed
2.0 GB/s ✓
1.0 GB/s
Capacity
1 TB
2 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
3 Years
Score
8.1/10
8.7/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 1TB or WD My Passport SSD Portable 2TB?
The WD My Passport SSD Portable 2TB scores 8.7/10 compared to 8.1/10 for the Lexar SL660 Portable 1TB. Our expert analysis favors the WD My Passport SSD Portable 2TB for its superior value.
What's the difference between Lexar SL660 Portable 1TB and WD My Passport SSD Portable 2TB?
The key differences: The Lexar SL660 Portable 1TB offers 2,000 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 2TB. Capacity options differ: Lexar SL660 Portable 1TB is 1TB while WD My Passport SSD Portable 2TB is 2TB. The Lexar SL660 Portable 1TB uses USB 3.2 Gen 2x2 while the WD My Passport SSD Portable 2TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 Portable 1TB or WD My Passport SSD Portable 2TB?
The Lexar SL660 Portable 1TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD Portable 2TB. That's a 90% speed advantage.
Which has better value, Lexar SL660 Portable 1TB or WD My Passport SSD Portable 2TB?
The WD My Passport SSD Portable 2TB scores higher (8.7 vs 8.1/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL660 Portable 1TB vs Samsung T9 Portable SSD → WD My Passport SSD Portable 2TB vs Samsung T9 Portable SSD →
Lexar SL660 Portable 1TB vs Samsung T9 Portable 4TB → WD My Passport SSD Portable 2TB vs Samsung T9 Portable 4TB →
Lexar SL660 Portable 1TB vs Crucial X10 Pro Portable 4TB → WD My Passport SSD Portable 2TB vs Crucial X10 Pro Portable 4TB →
Lexar SL660 Portable 1TB vs Sabrent Rocket Nano V2 → WD My Passport SSD Portable 2TB vs Sabrent Rocket Nano V2 →