4 Pack - PCI-E 6-Pin to (3) 2.5mm DC Barrel Plug for RockMiner R-Box ASIC, Extra Long Connect your ATX power supply to 12 RockMiner R-Box Miners Each cable (4 sets) includes 3 x 3ft wires to 2.5mm DC barrel plugs 18 gauge wires easily support overclocking up to 60 watts Extra long 3 feet to accommodate most configurations