SanDisk Extreme Portable SSD 1TB: full spec sheet and buying guide

Updated August 2, 2026 · Category: Computing & Accessories · Content based on official specifications and public Amazon buyer ratings, not a hands-on test.

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The SanDisk Extreme Portable SSD is a rugged external drive built for fast file transfers on the go. This page summarizes its features based on its official spec sheet and public buyer ratings.

★ 4.6/5 on Amazon

Up to 1,050 MB/s transfer speeds and an IP55 rating for water and dust resistance in a pocket-sized drive.

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Ratings and prices are as shown on Amazon at the time this article was published and may have changed. Affiliate disclosure.

Transfer speed

According to its spec sheet, it reaches read speeds of up to 1,050 MB/s over a USB-C, USB 3.2 Gen 2 connection, well ahead of a traditional external hard drive.

Durability

It carries an IP55 rating for resistance to water spray and dust, and its spec sheet lists a drop resistance of up to 2 meters.

Strengths based on its spec sheet

Up to 1,050 MB/s transfer speeds
IP55 water and dust resistance
Compact, pocket-sized design
USB-C with backward compatibility via cable

What to consider before buying

More expensive per GB than traditional external hard drives
Not rated fully waterproof, only water-resistant
No hardware encryption keypad

Want to compare this model with other computing options? Check out our computing buying guide.

Who is it ideal for?

Based on its spec sheet, it's a good fit for anyone who moves large files often and wants speed plus rugged durability.

Who is it NOT the best option for?

If storage capacity per dollar matters more than speed, it's worth comparing with the WD My Passport hard drive in our computing guide.

Frequently asked questions

How fast are its transfer speeds?

Up to 1,050 MB/s, according to its spec sheet, over a USB-C connection.

Is it waterproof?

It's water-resistant with an IP55 rating, not fully waterproof, according to the manufacturer's specifications.

Can I use it with USB-A ports?

Yes, its spec sheet lists compatibility with USB-A via the included cable, in addition to USB-C.

Does the SanDisk Extreme Portable SSD 1TB sound like the right fit for you?

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