Formally called the +12 V Power Connector, this is commonly referred to as the P4 connector because this was first needed to support the Pentium 4 processor.
Ametlikult tuntud kui +12 V toiteotsikuna, kutsusti seda tihti P4 otsikuks, sest seda läks esmalt tarvis Pentium 4 protsessori kasutamiseks.