Samsung Portable SSD X5 review: definitely fast, but not for us

The new Samsung Portable SSD X5 is the storage experts’ latest lightning speed drive, aiming to deliver professional-level solid state performance into the hands of people on the move. Or to give you the option to have your entire Steam library on an external disk that can outperform most internal SSDs on the market. But there is a catch, and it’s a pretty big one. You need to have a Thunderbolt 3 compatible PC to be able to get the most out of the drive, and not only that, but that PC’s existing storage has to at least be the equal of the new Samsung X5, in performance terms, for you to get there. That is, however, realistically the only way Samsung is going to be able to harness the power of its NVMe SSDs on the go, such as the excellent Samsung 970 EVO. The Thunderbolt 3 interface is a necessity as it's the fastest around, offering 40Gbps of bandwidth. That’s four times the top speed of USB-C which only has a comparatively slow 10Gbps of available bandwidth to offer. Loser.

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