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