Often refers to the 4-pin connectors used to attach DC power to the drives inside a PC cabinet. Molex is a large manufacturer of electronics plugs and sockets that dates back to the 1940s.

Surplus inventory are frequently mislabeled and some connectors look too much alike. The Molex PicoBlade is a 1.25 mm pitch connector frequently confused with JST GH in the same pitch. This ...

With a fully modular PSU, you still get all the connectors you would on a non-modular PSU. This includes the 24-pin and 8-pin power cables, multiple PCIe power cables, Molex and SATA cables.