Amazon.com: AMD Radeon HD6450 1GB PCI-e Full Height Video Graphics Card 1 DVI +1 Display Port(DP) for MT Tower Cases Fits Dell 03173K 3173K 2C7NH 02C7NH HD 6450 ATI-102-c26405(B) : Electronics
NVIDIA Quadro 600 by PNY 1GB DDR3 PCI Express Gen 2 x16 DVI-I DL and DisplayPort OpenGL, DirectX, CUDA, and OpenCL Professional Graphics Board, VCQ600-PB
Amazon.com: AMD Radeon HD6450 1GB PCI-e Full Height Video Graphics Card 1 DVI +1 Display Port(DP) for MT Tower Cases Fits Dell 03173K 3173K 2C7NH 02C7NH HD 6450 ATI-102-c26405(B) : Electronics