Compliant to ATX 3 and PCIe 5, The 12V-2x6 format is backwards compatible with 12VHPWR, 12V-2x6 connector (GPU side) to 12V-2x6 connector (PSU side), Maximum 600 W rated power, 16 AWG (American Wire Gauge) size, HCS (High-Current System) terminals with 94V-0 plastic material for 8-pin housing, Designed for a lifetime of 50 mating cycles, a normal standard for connectors, With Seasonic blue colored connector for improved safety, Compatible with any ATX 3 Seasonic power supply above 650 W*, Not compatible with any ATX 2 Seasonic power This 12V-2x6 connector is suitable for graphics cards with either a 12V-2x6 or a 12VHPWR connector. 12V-2x6 16-pin connector (GPU side) to 12V-2x6 16-pin connector (PSU side). Maximum 600 W rated power. 16 AWG (American Wire Gauge) size. Power supply requirement 650 W and above. Designed for a lifetime of 50 mating cycles, a normal standard for connectors.