Hewlett-Packard (HP) 642229-001 - 512MB DDR3 Nvidia Quadro 400 PCI-E x16 Video Graphics Card - CPU Medics
Nvidia Quadro 400 512MB DDR3 PCI Express x16 Desktop Video Card at TR Reuse Group
PNY Technologies NVIDIA Quadro P400 Graphic Card2 GB GDDR5Low-profile64 bit Bus WidthPCI Express 3.0 x16DisplayPort VCQP400V2-PB - Corporate Armor
Refurbished: nVidia Quadro 4000 2GB GDDR5 PCI-E x16 2.0 Graphics Video Card With DVI and DisplayPort Outputs 38XNM Standard Height Workstation Video Card - Newegg.com