Specifications of Graphics Cards RTX 4080 SUPER Bus Standard PCI-E 4.0 OpenGL 4.6 Graphics Engine Clock Boost: 2550 MHz CUDA Core 10240 Memory Clock 23 Gbps Video Memory GDDR6X 16GB Interface for Memory (256-bit) three DisplayPort 1.4a displays (up to 7680x4320@60Hz) * * One HDMI® connector supports the HDMI 2.1a specification's variable refresh rate, 4K 120Hz HDR, and 8K 60Hz HDR. Suggested 16-pin x 1 PSU 750W Power Connectors