Specifications of Graphics Cards Engine for Graphics Engine Clock Boost: 1777 MHz GeForce RTX 3060 Bus Standard PCI Express 4.0 OpenGL 4.6 Video Memory 12GB GDDR6 15 Gbps CUDA Core 3584 Memory Clock 192-bit memory interface with three DisplayPort 1.4a ports (up to 7680x4320@60Hz) Up to 7680x4320@60Hz with HDMI 2.1* It takes an Ultra High Speed HDMI cable to support 4K/120FPS or 8K/60FPS. Suggested 600W PSU Power Connectors: 8 pin*1