The Extreme Pro With USB4 isn’t the fastest SSD around, but it’s more than fast enough for most non-professional users, and a lot more affordable than high-end Thunderbolt drives.

The SanDisk Extreme PRO Portable with USB4 is the fast, rugged, and compact external SSD that’s powered it all, even if it technically underperforms. The SanDisk Extreme PRO with USB4 comes in two ...

Obviously, the Sandisk Extreme Pro SSD with USB4 uses the USB4 protocol and it’s of the high-end 40Gbps variety. USB4 does allow 20Gbps implementations, though we haven’t seen any drives using it.

The SanDisk Extreme Pro with USB4 is available from the SanDisk online store, starting from $279.99 for 2TB, rising to $429.99 for 4TB. It's also available from Amazon, at the same prices.

The Extreme Pro doesn't have your usual external SSD's design, though. While it's certainly thin enough, it's bigger than most previous-gen drives across the other dimensions. At 140 x 68.7 x 11.9 ...

There’s a model called the Extreme Pro Portable that looks identical and has a faster USB4 interface, but only offers a maximum of 4TB storage. There’s also a less expensive Portable SSD, ...

However, closer inspection reveals that the Extreme Pro With USB4 is quite a bit larger than other SanDisk drives that we’ve tested in the past, measuring 11.9mm thick, 58.7mm wide, and 140mm long.