works good just got an upgrade. Product Key Features Memory Type GDDR5 APIs DirectX 11.1, DirectX 10.1, OpenGL 4.5, Vulkan, CUDA, OpenCL 1.0, DirectX 9.0a, DirectX 11, DirectX 9.0b, DirectX 10, DirectX 9.0c, DirectX 12, DirectX 9.0, Mantle Memory Size 8GB Chipset/GPU Model AMD Radeon RX 580 Chipset Manufacturer AMD Features Multiple Monitor Support, CrossFire Ready, LED Lighting, FreeSync Compatible, VR Ready Cooling Component Included Fan with Heatsink Power Cable Requirement 8-Pin PCI-E Connectors DisplayPort 1.4 x2, DVI-D x1, HDMI 2.0b x2 Compatible Slot PCI Express 3.0 x16 Pre-owned - Used - As-is - No warranty - no box - no paperwork