MSI ARMOR Radeon RX 580 8G OC, Radeon RX 580, 8 GB, GDDR5, 256 bit, 8000 MHz, PCI Express x16 3.0 MSI ARMOR Radeon RX 580 8G OC. Graphics processor family: AMD, Graphics processor: Radeon RX 580, Processor frequency: 1366 MHz. Discrete graphics card memory: 8 GB, Graphics card memory type: GDDR5, Memory bus: 256 bit, Memory clock speed: 8000 MHz. DirectX version: 12.0, OpenGL version: 4.5, Dual Link DVI. Interface type: PCI Express x16 3.0. Cooling type: Active, Number of fans: 2 fan(s)