Refurbished: IBM Nvidia Quadro K4000 Graphics Card 3GB GDDR5 Memory PCIe 2.0x16 192-Bit Full Height Bracket, 03T8312 - Newegg.com
Best HP C2J94AA 3GB Quadro K4000 | Refurbished
713381-001 - New Other - HP NVIDIA QUADRO K4000 GRAPHICS CARD 3GB 768 CUDA CORES MEMORY INTERFACE 192 BIT GDDR5 MEMORY BANDWIDTH 134.0GB/S PCI-E 2.0 X16 ( 1 ) ONE DUAL LINK