The all new modern ultra-slim design of the HP ProBook 640 delivers enterprise-grade performance, security, manageability, and flexible configuration options. The precision-crafted ultra-slim chassis in a modern natural silver finish is designed to pass MIL-STD 810G testing and supports several HP docking options for gradual transitions to modern docking solutions. Help speed up demanding business applications with an optional 8th Gen quad-core Intel® Core processor and discrete graphics. Protect your PC against the evolving malware threats of the future, with self-healing, hardware-enforced, and manageable security solutions from HP. From the BIOS to the browser HP Sure Start Gen4 and HP Sure Click help secure your PC.