Comprehensive hardware architecture and silicon specification dossier for the HP OEM NVIDIA Quadro K4000 3 GB graphics accelerator (HP Spare 713381-001 / Assy 700104-001), detailing GK106GL Kepler 28nm silicon, 768 CUDA cores, 3 GB GDDR5 on a 192-bit bus (134.4 GB/s), PassMark G3D Mark of 2,718, and deployment in the Dell Precision T7610 workstation.