We show you how to do it with an M.2 or SATA SSD.

Installing an M.2 or SATA SSD in your desktop is an essential part of every PC build, or an easy upgrade to make your PC feel faster. Luckily, installing an SSD is easier than finding the best one (we have a roundup for that!) or even understanding how they work. I’m not going to cover any of that here, but I’ll walk through installing both kinds. 
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https://www.pcworld.com/article/3609448/how-to-install-an-ssd-in-a-desktop-pc.html