Sapphire RADEON RX 580 4GB GDDR5 NITRO+. Graphics processor family: AMD, Graphics processor: Radeon RX 580. Discrete graphics adapter memory: 4 GB, Graphics adapter memory type: GDDR5, Memory bus: 256 bit, Memory clock speed: 1750 MHz. Maximum resolution: 3840 x 2160 pixels. DirectX version: 12.0, OpenGL version: 4.5. Interface type: PCI Express x16 2.0. Cooling type: Active, Number of fans: 2 fan(s)