Asrock Challenger RX6600 CLD 8G. Graphics processor family: AMD, Graphics processor: Radeon RX 6600. Discrete graphics adapter memory: 8 GB, Graphics adapter memory type: GDDR6, Memory bus: 128 bit. Maximum resolution: 7680 x 4320 pixels. DirectX version: 12.0, OpenGL version: 4.6. Interface type: PCI Express 4.0. Cooling type: Active, Number of fans: 2 fan(s)