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Portable SSDs

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ADATA SE800 Portable 2TB vs Lexar SL660 Portable 2TB

Compare ADATA SE800 Portable 2TB and Lexar SL660 Portable 2TB 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.

ADATA

ADATA SE800 Portable 2TB
7.6/10

The 2TB SE800 keeps the same tiny plastic body of the 1TB version -- awwardly small for 2TB. Budget pricing per-TB makes it a value buy for PS5/Xbox cold library expansion, where sustained write speed takes a back seat to capacity-per-dollar.

2TB budget portable
1000 MB/s read
Tiny form factor
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Our Pick

Lexar

Lexar SL660 Portable 2TB
8.2/10

The 2TB SL660 doubles SLC cache budget over the 1TB. RGB and aluminum body preserved -- a competitive Gen 2x2 2TB at moderate pricing, comparable with the Kingston XS2000 2TB and Patriot Evlvr 2TB.

Gen 2x2 2000 MB/s
2TB storage
Aluminum body
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Spec Comparison

Spec
ADATA SE800 Portable 2TB
Lexar SL660 Portable 2TB
Read Speed
1.0 GB/s
2.0 GB/s ✓
Write Speed
950 MB/s
2.0 GB/s ✓
Capacity
2 TB
2 TB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
1,200 TB
1,200 TB
Warranty
3 Years
3 Years
Score
7.6/10
8.2/10 ✓
Total Wins
0 wins
3 wins

Frequently Asked Questions

Which is better, ADATA SE800 Portable 2TB or Lexar SL660 Portable 2TB?
The Lexar SL660 Portable 2TB scores 8.2/10 compared to 7.6/10 for the ADATA SE800 Portable 2TB. Our expert analysis favors the Lexar SL660 Portable 2TB for its superior speed.
What's the difference between ADATA SE800 Portable 2TB and Lexar SL660 Portable 2TB?
The key differences: The ADATA SE800 Portable 2TB offers 1,000 MB/s reads vs 2,000 MB/s for the Lexar SL660 Portable 2TB. Capacity options differ: ADATA SE800 Portable 2TB is 2TB while Lexar SL660 Portable 2TB is 2TB. The ADATA SE800 Portable 2TB uses USB 3.2 Gen 2 while the Lexar SL660 Portable 2TB uses USB 3.2 Gen 2x2.
Which is faster, ADATA SE800 Portable 2TB or Lexar SL660 Portable 2TB?
The Lexar SL660 Portable 2TB is faster with 2,000 MB/s read speeds compared to 1,000 MB/s for the ADATA SE800 Portable 2TB. That's a 100% speed advantage.
Which has better value, ADATA SE800 Portable 2TB or Lexar SL660 Portable 2TB?
The Lexar SL660 Portable 2TB scores higher (8.2 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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