This is the dreaded non-modular PSU, which has all of the cables permanently installed to the hardware. Fully modular PSUs, on the opposite hand, give you the most freedom when building your system. Unlike SATA SSDs and HDDs, storage drives with an M.2 key can solely hook up with an M.2 socket. NVMe SSDs, which are the fastest storage units, have an M.2 type factor with an “M” key. Check if your motherboard has an “M” key M.2 socket before buying an NVMe SSD. Image via Christian Wiediger. Professional-grade video cards are sometimes incredibly costly, and since their use is area of interest, there’s sometimes not a lot information obtainable.

This means the apps, open information, and information to and from the Internet stay in RAM. If you’ve more data than you could have RAM, your laptop will stash some of it on your drive . However, reading from and writing to a drive is far slower than doing the same in RAM.