Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro 64),Achieve the performance you need with the ability to support two next generation Intel�� Xeon�� processors for up to 36 total processor cores in one system.,Take productivity up a notch with the ability to do more thanks to NVIDIA�� professional graphics cards in 2D or 3D.,Get serious about graphics and reach peak productivity with access to a breadth of AMD professional graphics from entry to high-end 3D.,Maximize your time and increase your capabilities with USB and SATA ports, plus lightning-fast data transfers using optional Thunderbolt��� 2 technology.,A tool-free chassis boasts low acoustics, single integrated Gb Ethernet, a front and rear handle, rear ledge and is 4U rack mountable-all in a compact design.,Reduce boot up, calculation, and graphics response and revolutionize how your HP Z640 handles large files with the HP Z Turbo Drive, a remarkably fast and innovative storage solution.,Take multitasking to a new level with the ability to easily connect and work on up to eight displays.,Optimize this HP Z640 for peak performance. HP Performance Advisor configures your system with updated settings and drivers to help maximize performance.,Each HP Z640 Workstation works with HP Client Management Solutions, and optional LANDesk to deploy, manage, and secure your PC.,Windows 7 Professional 64 (available through downgrade rights from Windows 10 Pro 64)
