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External SSDs

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Samsung T9 Portable 4TB vs Seagate One Touch SSD 2TB

Compare Samsung T9 Portable 4TB and Seagate One Touch SSD 2TB side by side. Both are 4TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

Samsung

Samsung T9 Portable 4TB
9.3/10

Blazing-fast 4TB external SSD with USB 3.2 Gen 2x2 speeds up to 2000MB/s. Perfect for content creators with massive file libraries.

4TB capacity with 2000MB/s read speeds
USB 3.2 Gen 2x2 interface
Sleek all-aluminum build
Check on Amazon →

Seagate

Seagate One Touch SSD 2TB
7.8/10

The 2TB One Touch is the sweet spot of Seagate's budget portable line — large enough die stack that the sustained-write dropoff after SLC exhaustion is significantly longer than on the 1TB.

1030 MB/s rated
Both cables in box
Rescue data recovery
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Spec Comparison

Spec
Samsung T9 Portable 4TB
Seagate One Touch SSD 2TB
Read Speed
2.0 GB/s ✓
1.0 GB/s
Write Speed
1.9 GB/s ✓
1.0 GB/s
Capacity
4 TB ✓
2 TB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB
1,200 TB
Warranty
5 Years ✓
3 Years
Score
9.3/10 ✓
7.8/10
Total Wins
5 wins
0 wins

Frequently Asked Questions

Which is better, Samsung T9 Portable 4TB or Seagate One Touch SSD 2TB?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 7.8/10 for the Seagate One Touch SSD 2TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between Samsung T9 Portable 4TB and Seagate One Touch SSD 2TB?
The key differences: The Samsung T9 Portable 4TB offers 2,000 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 2TB. Capacity options differ: Samsung T9 Portable 4TB is 4TB while Seagate One Touch SSD 2TB is 2TB. The Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2 while the Seagate One Touch SSD 2TB uses USB 3.2 Gen 2.
Which is faster, Samsung T9 Portable 4TB or Seagate One Touch SSD 2TB?
The Samsung T9 Portable 4TB is faster with 2,000 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 2TB. That's a 94% speed advantage.
Which has better value, Samsung T9 Portable 4TB or Seagate One Touch SSD 2TB?
The Samsung T9 Portable 4TB scores higher (9.3 vs 7.8/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Samsung T9 Portable 4TB vs Samsung T9 2TB → Seagate One Touch SSD 2TB vs Samsung T9 2TB →
Samsung T9 Portable 4TB vs Samsung T9 Portable SSD → Seagate One Touch SSD 2TB vs Samsung T9 Portable SSD →
Samsung T9 Portable 4TB vs Crucial X10 Pro 2TB → Seagate One Touch SSD 2TB vs Crucial X10 Pro 2TB →
Samsung T9 Portable 4TB vs Samsung T7 4TB → Seagate One Touch SSD 2TB vs Samsung T7 4TB →