Graphics Engine: AMD Radeon RX 580 2048SP. Bus Standard: PCI Express 3.0. Video Memory: 8GB GDDR5. Engine Clock: 1284 MHz. Memory Clock: 7.0 Gbps. Memory Interface: 256-Bit. Max Resolution: 3840 x 2160p (DP). Ports: (x3) DisplayPort (x1) HDMI (x1) DVI