Dell AMD Radeon HD8870 2GB GDDR5 256-Bit HDMI DVI 2x mini-DP PCI-Express 3.0 x16 Graphics Video Card WNMHJ 0WNMHJ CN-0WNMHJ.AMD GPU Model Number: Radeon HD8870Dell Part Number: WNMHJ 0WNMHJ CN-0WNMHJCompatible Part Numbers: 109-C40157-00 7120700000G(222A1XX) 102C4010501