>>4480795When people talk about ssd's then general mean the standard ones that plug in using sata but at this point ssd's have advanced so much that the sata connectors are a severe bottleneck, capping transfer speeds way below what they are actually capable of since it was developed for harddisk drives not solid state drives.
There are a few ways to connect it in a more direct fashion and like
>>4480817 said, the PCI bus is one of them.
m.2 is probably going to be the norm for system drives now though as it keeps the drive flat parallel to the mother board.
>>4480840The slots where you plug your graphics cards and stuff in usually.
