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.

EMI-filtered interconnects and RF components Credit: Molex Intended for mission-critical aerospace and defence applications, Molex’s new family of EMI-Filtered D-Sub Pi Adapters and Connectors, EMI ...