Quick view HP Z640 Desktop Workstation, Intel Xeon E5-2640 E3 @2.60 GHz, NVIDIA Quadro M4000, Windows 10 Professional 64 bit HP Z640 Desktop Workstation. Build the perfect workstation for your needs. Redefine versatility and flexibility. Expand your capabilities with the HP Z640 Workstation, a system that lets you... MSRP: Now: $699.00 Choose Options Compare Selected