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SanDisk Extreme 900 Portable SSD review: An extremely fast, versatile drive

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The Good The SanDisk Extreme 900 Portable SSD is super fast, and includes both a USB-C cable and a regular USB cable, so it'll work with all USB ports for the foreseeable future.

The Bad The drive is large and slightly more expensive compared to competing drives. The three-year warranty is too short.

The Bottom Line Rugged, fast and capacious, the SanDisk Extreme 900 Portable SSD is an excellent portable drive.

8.3 Overall
  • Setup 8
  • Features 8
  • Performance 9
  • Support 7

The new SanDisk Extreme 900 Portable SSD is a much larger, slightly more expensive version of the Samsung Portable SSD T3. It's extremely fast, supports USB 3.1 and includes a USB-C port. And with two included USB cables (one for USB-C and one for the regular USB port) it's ready to work with existing and future host devices.

It's a capacious portable drive that's a bit bulkier than other SSDs, but is worthy of its current asking price of $300 (around AU$395, £210 converted), $500 ($AU655, £350) or $800 (AU$1050, £550) for 480GB, 960GB or 1.92TB, respectively.

For excellent alternatives, check out the top portable drives on the market.


The Sandisk Extreme 900 Portable SSD comes with one pure USB-C cable and one compatible UBC cable.

Josh Miller/CNET

The Extreme 900 Portable SSD is not exactly huge, sitting around about the size of a standard portable drive like the WD My Passport. However, it's about four times the size of the Samsung T3. Despite the surplus in physical size, the Sandisk has slightly less storage space topping at 1.92TB (the Samsung caps at 2TB.)

Similar to the T3, the Extreme 900 is protected by a shock-resistant aluminum and rubber casing. I actually tried tossing it around a bit on a carpet floor and it continued to work fine. Still, like all storage devices, it's recommended that you handle with care. Speaking of care, keep in mind that the Sandisk includes a three-year warranty, which I find really short for a premium device.

The Sandisk drive comes preformatted in the exFAT file system (so it will work right away with both Windows and Mac computers) and preloaded with security software. Once installed, the software can protect data stored on the drive with 128-bit AES encryption. Keep in mind, however, that if you turn on the protection and somehow forget the password, you will permanently lose access to your data.

SanDisk Extreme 900 Portable SSD specs

Drive type SSD-based portable drive
Capacity 480GB, 960GB, 1.92TB
Interface USB 3.1 (USB 3.0 and USB 2.0 compatible) with an USB-C port.
Dimensions 5.25 x 0.7 x 3.25 inches (13.33 x 1.78 x 8.26 cm)
Weight .66 pound (299 grams)
Sequential speed Up to 450MBps via USB 3.0
Encryption support AES 128-bit
Security Password setting (optional)
Operating system Windows 7 (and later), Mac OS 10.6 (and later)
Warranty 3 years

The Extreme 9000 has one USB-C port on one side and it supports USB 3.1 Gen 2 which has a top speed of 10Gbps (on paper, at least). The drive also includes two USB cables: one pure USB-C cable (one that has USB-C connectors on both ends) for USB-C ready computers like the new Macbook and another USB-C to USB-A cable, compatible with all existing USB ports. (For more about USB-C, check out this post.)

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