Nvidia GeForce GTX680 2GB GDDR5 256-Bit PCI-E 3.0 x16 HDMI DisplayPort Dual DVI-D Gaming Graphics Video Card with Rackmount Bracket NGFF1 0NGFF1 CN-0NGFF1.Nvidia GPU Model Number: GeForce GTX 680Dell Part Number: NGFF1 0NGFF1 CN-0NGFF1Compatible Part Numbers: KCC-REM-NVA-P2002Specifications:Memory:- Memory Size: 2GB GDDR5Bus Interface:- PCIe 3.0 x16Clock Speeds:- Base Clock: 1006MHz- Boost Clock: 1058MHz- Cuda Cores: 1536Output:- 1x Displayport- 2x DVI-D- 1x HDMI