MSI has gone so heavy with 12V-2x6 power sockets in its latest high-end PSUs that many AMD and Intel graphics cards have no way of being powered
The only reason why anyone would want to use two 12V-2x6 cables is to have a PC with two Nvidia graphics cards but given that ...
PC Magazine6y
Molex connector
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.