NZXT 12VHPWR Adapter Cable - BB-CG1BB- 12+4-Pin (16-Pin) 12HVPWR to Dual 8-Pin PCIe - compatible with NVIDIA 40 Series GPU and Existing ATX 2.X PSUs (PA-xG1BB) - Rated for 600 Watts - Negro40 SERIES READY: Powers an NVIDIA 40 Series GPU with an existing NZXT ATX 2.X PSU—no ATX 3.0 required.600W RATED: Delivers up to 600 watts of power to graphics cards with a 12VHPWR port.CONNECTORS: 12+4-pin (16-pin) 12VHPWR goes to the GPU, and dual 8-pin PCIe goes to the PSU.COMPACT CABLE: Replaces the bulky standard adapter that comes with NVIDIA 40 Series GPUs.NZXT COMPATIBILITY: Guaranteed for use with all NZXT C-Series Gold ATX 2.X PSUs (PA-xG1BB).