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External SSDs

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Samsung T9 Portable 4TB vs SanDisk Extreme Portable 1TB

Compare Samsung T9 Portable 4TB and SanDisk Extreme Portable 1TB 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 →

SanDisk

SanDisk Extreme Portable 1TB
8.5/10

The non-Pro Extreme is the lower-cost sibling — same 1050 MB/s rated read and IP55 rugged body, but writes top out well below Extreme Pro on sustained workloads. A solid buy when the write-speed gap doesn't matter (game consoles, file transfer, backup) but the rugged rating does.

IP55 rugged body
Same 1050 read as Extreme Pro
Cheaper than Pro by a wide margin
Check on Amazon →

Spec Comparison

Spec
Samsung T9 Portable 4TB
SanDisk Extreme Portable 1TB
Read Speed
2.0 GB/s ✓
1.1 GB/s
Write Speed
1.9 GB/s ✓
1.0 GB/s
Capacity
4 TB ✓
1 TB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.3/10 ✓
8.5/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, Samsung T9 Portable 4TB or SanDisk Extreme Portable 1TB?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 8.5/10 for the SanDisk Extreme Portable 1TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between Samsung T9 Portable 4TB and SanDisk Extreme Portable 1TB?
The key differences: The Samsung T9 Portable 4TB offers 2,000 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Portable 1TB. Capacity options differ: Samsung T9 Portable 4TB is 4TB while SanDisk Extreme Portable 1TB is 1TB. The Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2 while the SanDisk Extreme Portable 1TB uses USB 3.2 Gen 2.
Which is faster, Samsung T9 Portable 4TB or SanDisk Extreme Portable 1TB?
The Samsung T9 Portable 4TB is faster with 2,000 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Portable 1TB. That's a 90% speed advantage.
Which has better value, Samsung T9 Portable 4TB or SanDisk Extreme Portable 1TB?
The Samsung T9 Portable 4TB scores higher (9.3 vs 8.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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