Where does a SATA3 go in my motherboard SATA slots?

No The SATA express slot uses the bottom two SATA 3 connectors along with the one on the far left for SATA Express, think of it as a bridge

SATA III is a third generation SATA interface, and it runs at s, although the actual bandwidth throughput is up to 600MBs, due to 8b10b

sata 3 slot How To Add Extra SATA 3 Ports To Motherboard? SATA 3 Add On PCI Express Card

sata slot Ideally you want your drives to be plugged into the fastest sata channels available, so if the motherboard has designated sata slots at