Manufacturer NVIDIA Quadro 4000M Series Quadro 4000M 336 @ 475 MHz 256 Bit @ 1200 MHz Codename Fermi Architecture Fermi Pipelines 336 - unified Core Speed * 475 MHz Shader Speed * 950 MHz Memory Speed * 1200 MHz Memory Bus Width 256 Bit Memory Type GDDR5 Max. Amount of Memory 2048 MB Shared Memory no DirectX DirectX 11, Shader 5.0 Power Consumption 100 Watt technology 40 nm Features OpenGl 4.1, FP32 Notebook Size large Date of Announcement 22.02. 2011