SanDisk Extreme PRO Portable SSD – Review

The device that puts the ’solid’ into Solid State Drive! If you regularly carry around data, or need storage that can take the knocks, a ruggedised drive is for you.

  • Western Digital Corporation
  • 500GB model: £133.99, $119.99, 149,99 €
  • Compatibility: macOS 10.9 or later

SanDisk’s Extreme PRO Portable SSD is such a drive. Available in 500GB, 1TB and 2TB capacities, it’s built around a forged aluminium body to protect the SSD core and dissipate heat, with a durable silicon rubber coating for impact resistance. It has an IP55 rating for water and dust resistance too.

The drive is very small and compact, measuring just 110.26×57.34×10.22mm and weighing only a few ounces, it’s an ideal fit for your shirt pocket. It comes supplied with USB-C and USB-A cables (but no carry case), and works on a Mac out of the box, with no driver installation necessary. It comes bundled with an app, SanDisk SecureAccess, which lets you place files in a password-protected vault. It’s a little messy, but it does its job.

On a MacBook Pro using a USB-C connection, it achieved read/write speeds of around 1,050 MB/s, which is fast enough for pretty-much anything. On an older notebook, using regular USB 3.1, it managed read 419.6MB/s and write 416.7MB/s, which is pretty respectable. It’s good value too. The 500GB version works out at 27p per MB, a sum that comes down a few pence if you go for a larger-capacity model. There are cheaper options available, but the Extreme PRO’s ruggedness and portability are advantages worth paying for.

SanDisk Extreme PRO Portable SSD
  • Overall


Solid, reliable and fast. A great solid-state solution for your mobile storage problems.

+ Reasonably fast
+ Takes the knocks
+ No drivers required
– There are cheaper SSDs

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