I am about to build a new computer and since I last built one 2 years ago, there seems to be two different pin connectors, 24-pin ATX and 4-pin ATX12V. Can someone please explain this whole concept to me? Thanks
Actually, 4 pin ATX12v is carried over from the ATX v1.3 PSU spec. This has the 20 pin mobo connector supplying power to the motherboard.
The new ATX2.0 spec PSU's have a 24 pin mobo connector (as well as the 4 pin ATX12v) along with SATA and PCI-e lines for the latest drives and video cards.
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