HP EliteBook 640 14 inch G9 i7 1255U Notebook 35.6 cm (14") Full HD Intel Core i7 16 GB DDR4 SDRAM 512 GB SSD Wi Fi 6 (802.11ax) Windows 11 Connectivity technology___Wired & Wireless 512GB Custom NVME SSD 512GB Custom NVME SSD 1 Gen 2) Type A ports quantity 1 Keyboard Numeric keypad No Pointing device NumberPad Software Operating system architecture 64 bit Operating system installed Windows 11 Pro Processor special features Intel Stable Image Platform Program (SIPP) No Intel Software Guard Extensions (Intel SGX) No Idle States Yes Intel Trusted Execution Technology No Intel VT x with Extended Page Tables (EPT) Yes CPU configuration (max) 1 Embedded options available No Intel Virtualization Technology for Directed I O (VT d) Yes Intel Virtualization Technology (VT x) Yes Battery Battery technology Lithium Ion (Li Ion) Power AC adapter output voltage 19 V AC adapter output current 3 0 Ethernet LAN (RJ 45) ports 1 Combo headphone mic port Yes USB Power Delivery Yes Keyboard Pointing device Clickpad Numeric keypad No Spill resistant keyboard Yes Keyboard backlit Yes Keyboard special features Spill resistant Input device model HP Premium Keyboard Software Pre installed software HP Connection Optimizer Key Features