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Portable SSDs

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ADATA SE800 Portable 2TB vs Samsung T9 Portable 4TB

Compare ADATA SE800 Portable 2TB and Samsung T9 Portable 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.

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

Samsung

Samsung T9 Portable 4TB
9.6/10

The 4TB T9 portable is genuinely rare — most 4TB external SSDs cap at Gen 2 (10Gbps) speeds. The T9 4TB holds 2000 MB/s sustained reads AND writes at 4TB. The right drive for working video pros who genuinely travel with 4TB of working RAW footage and need Gen 2x2 link speeds.

Gen 2x2 + 4TB
2400 TBW endurance
5-year warranty
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Spec Comparison

Spec
ADATA SE800 Portable 2TB
Samsung T9 Portable 4TB
Read Speed
1.0 GB/s
2.0 GB/s ✓
Write Speed
950 MB/s
2.0 GB/s ✓
Capacity
2 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
1,200 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
7.6/10
9.6/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, ADATA SE800 Portable 2TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores 9.6/10 compared to 7.6/10 for the ADATA SE800 Portable 2TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between ADATA SE800 Portable 2TB and Samsung T9 Portable 4TB?
The key differences: The ADATA SE800 Portable 2TB offers 1,000 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: ADATA SE800 Portable 2TB is 2TB while Samsung T9 Portable 4TB is 4TB. The ADATA SE800 Portable 2TB uses USB 3.2 Gen 2 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, ADATA SE800 Portable 2TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB 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 Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores higher (9.6 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

ADATA SE800 Portable 2TB vs Samsung T9 Portable SSD → Samsung T9 Portable 4TB vs Samsung T9 Portable SSD →
ADATA SE800 Portable 2TB vs Crucial X10 Pro Portable 4TB → Samsung T9 Portable 4TB vs Crucial X10 Pro Portable 4TB →
ADATA SE800 Portable 2TB vs Sabrent Rocket Nano V2 → Samsung T9 Portable 4TB vs Sabrent Rocket Nano V2 →
ADATA SE800 Portable 2TB vs Samsung T9 Portable 2TB → Samsung T9 Portable 4TB vs Samsung T9 Portable 2TB →