HP ProBook 450 G9 i5 1235U Notebook 39.6 cm (15.6") Full HD Intel Core i5 8 GB DDR4 SDRAM 256 GB SSD Wi Fi 6E (802.11ax) Windows 11 Pro Silv normal qua___24 ppm Design Introduction year 2022 Housing Design Introduction year 2022 Housing material Aluminium Form factor Clamshell Colour name Starlight Product colour Beige Product type Laptop Display High Dynamic Range (HDR) technology Dolby Vision and compatible with most phone cases 11ax) WLAN controller model Intel Wi Fi 6E AX210 Wi Fi standards Wi Fi 6E (802 1b 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 Software Operating system installed Windows 11 Pro Technical details Market positioning Everyday Form factor Clamshell Product colour Silver Processor special features Intel VT x with Extended Page Tables (EPT) Yes Intel Trusted Execution Technology Yes Intel Flex Memory Access Yes Intel Virtualization Technology for Directed I O (VT d) Yes Execute Disable Bit Yes Embedded options available No CPU configuration (max) 1 Intel Virtualization Technology (VT x) Yes Brand specific features HP speaker type HP Dual Speakers HP Support Assistant Yes HP Smart AC Adapter Yes HP Connection Optimizer Yes HP segment Business HP special features HP speaker type HP Dual Speakers HP Support Assistant Yes HP Smart AC Adapter Yes Battery Battery technology Lithium Ion (Li Ion) Number of battery cells 3 Battery capacity 51 Wh Power AC adapter power 65 W AC adapter frequency 50 60 Hz AC adapter input voltage 100 240 V Security Trusted Platform Module (TPM) Yes Trusted Platform Module (TPM) version 2