4 Pack - PCI-E 6-Pin to (3) 2.1mm DC Barrel Plug for Gridseed ASIC Miner Connect your ATX power supply to 12 Gridseed ASIC Miners Each cable (4 sets) includes 3 x 1ft wires to 2.1mm DC barrel plugs 18 gauge wires easily support Dual Mode mining Also compatible with Gridseed ASIC BLADE Miners