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External SSDs

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SanDisk Extreme Portable 1TB vs SanDisk Extreme Pro 4TB

Compare SanDisk Extreme Portable 1TB and SanDisk Extreme Pro 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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
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Our Pick

SanDisk

SanDisk Extreme Pro 4TB
9.2/10

Extreme 4TB portable SSD with 2000MB/s speeds and IP55 rating. The ultimate high-capacity drive for professionals on the go.

4TB capacity with 2000MB/s read and write
IP55 water and dust resistance
5-year warranty
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Spec Comparison

Spec
SanDisk Extreme Portable 1TB
SanDisk Extreme Pro 4TB
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/s
2.0 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
600 TB
1,200 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.5/10
9.2/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Portable 1TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 4TB scores 9.2/10 compared to 8.5/10 for the SanDisk Extreme Portable 1TB. Our expert analysis favors the SanDisk Extreme Pro 4TB for its superior speed.
What's the difference between SanDisk Extreme Portable 1TB and SanDisk Extreme Pro 4TB?
The key differences: The SanDisk Extreme Portable 1TB offers 1,050 MB/s reads vs 2,000 MB/s for the SanDisk Extreme Pro 4TB. Capacity options differ: SanDisk Extreme Portable 1TB is 1TB while SanDisk Extreme Pro 4TB is 4TB. The SanDisk Extreme Portable 1TB uses USB 3.2 Gen 2 while the SanDisk Extreme Pro 4TB uses USB 3.2 Gen 2x2.
Which is faster, SanDisk Extreme Portable 1TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 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, SanDisk Extreme Portable 1TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 4TB scores higher (9.2 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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