The Pure Power 12 550W is ATX 3.1 and PCIe 5.1 compatible and offers unrivalled reliability with first-class features. With a PCIe 5.1 cable and PCIe 6+2 cables included, this power supply provides exceptional convenience and outstanding compatibility with both current and next-gen graphics cards. Pure Power 12 550W ATX3.1 offers the best possible combination of features in its class.