The is the codename for the GeForce GTS 450 (and some Quadro variants like the 2000). While this is an older Fermi-based GPU (2010), one of its most interesting driver-related features is: NVIDIA Optimus Support (on mobile GF106 variants) On laptops with GF106 (e.g., GeForce GT 445M, GT 435M, GT 525M, GT 540M), the driver enables Optimus Technology — automatic switching between the integrated Intel GPU and the discrete Nvidia GPU without rebooting .