Nvidia TESLA K20 Video Card. I have two of these.
Worth $199 on Amazon dot ca
Wanting $75
Technical Specifications:
Manufacturer: nVidia
Model: TESLA K20
Video RAM : 5Gb
Display Port : None
DVI Port : None
Type: Graphics Accelerator Card
Power Connector Port : 2 X 6 PIN
Slot Interface : PCI Express X16