Modern professional design This PC is built for business. The HP ProBook 640 undergoes MIL-STD 810G testing and has a striking silver finish with sharp lines that embody today’s bold design. High performance Help speed up demanding business applications with an 8th Gen Intel® Core™ processor. Help keep connected with HP Extended Range Wireless LAN. Built on a secure foundation Protect your PC against the evolving malware threats of the future, with self-healing and manageable hardware-enforced security solutions from HP. From the BIOS to the browser HP Sure Start Gen5 and HP Sure Click help secure your PC.