Nvidia

List nvidia cards

#lspci -v | grep -i nvidia
01:00.0 VGA compatible controller: NVIDIA Corporation GF104 [GeForce GTX 460] (rev a1) (prog-if 00 [VGA controller])
   Kernel driver in use: nvidia
01:00.1 Audio device: NVIDIA Corporation GF104 High Definition Audio Controller (rev a1)

which driver is being used

# cat /proc/driver/nvidia/version
NVRM version: NVIDIA UNIX x86_64 Kernel Module  346.47  Thu Feb 19 18:56:03 PST 2015
GCC version:  gcc version 4.9.2 20150212 (Red Hat 4.9.2-6) (GCC)