HP ProDesk SFF 400 600 (G1 G2 G3 G4) 2GB SFF Video Graphics Card + HDMI Adapters | eBay
Amazon.com: NVIDIA Quadro 400 512 MB Professional Video Graphics Card, Replacement For Lenovo 0A36535, PNY VC7400-PB, HP LD542AA LD542AT, Dell HWGX0, DDR3 PCI Express Gen 2 x16 DVI-I DL and DisplayPort Open