Lenovo ThinkPad E14 Gen 4 Laptop 35.6 cm (14") Intel® Core™ i7 1255U 16 GB DDR4 SDRAM 512 GB SSD Wi Fi 6 Windows 11 Pro Black Computing Max Q Technologies unleash the power Max Q Technologies unleash the power of AI to make thin 2 Year Limited Warranty with Belkin 1 Gen 1) Type A ports quantity 1 USB 2 0 ports quantity 1 Keyboard Spill resistant keyboard Yes Keyboard backlit Yes Numeric keypad No Keyboard language English Keyboard layout QWERTY Pointing device ThinkPad UltraNav Software Operating system language English Operating system architecture 64 bit Operating system installed Windows 11 Pro Processor special features Intel Flex Memory Access Yes Intel Trusted Execution Technology Yes Intel VT x with Extended Page Tables (EPT) Yes Execute Disable Bit 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 capacity 57 Wh Battery technology Lithium Polymer (LiPo) Power AC adapter input voltage 100 240 V AC adapter frequency 50 60 Hz AC adapter power 65 W Security Password protection type BIOS