Pick a viable interface (M.2 PCIe, SATA, Add-in Card). Look at your client manual or an information base like the Crucial Memory Finder to figure out what sorts of SSD your PC upholds.
Don’t try getting a SSD more modest than 256GB. For most clients, 512GB gives a decent harmony among price and limit. In any case, 1TB drives are getting essentially less expensive and 2TB drives are presently moderate.
SATA isn’t as quick as M.2 PCIe or a PCIe include card, yet most of desktops and numerous PCs can take 2.5-inch SATA drives and many doing commonplace standard assignments clients won’t see the distinction between a decent ongoing SATA drive and a quicker PCIe model at any rate.