HP EliteBook 640 G11 14' WUXGA Intel U7-155U 16GB DDR5 512GB SSD WIN 11 PRO 4G-LTE Intel Graphics AI PC Thunderbolt Fingerprint Backlit 3yr OS 1.4kg Operating system  Windows 11 Pro6  Memory  16 GB DDR5-5600 MT/s (2 x 8 GB)  Standard memory note  Transfer rates up to 5600 MT/s.  Memory Slots  2 SODIMM  Internal Storage  512 GB PCIe® NVMe™ SSD  Storage type  SSD  Processor  Intel® Core™ Ultra 7 155U (up to 4.8 GHz with Intel® Turbo Boost Technology, 12 MB L3 cache, 12 cores, 14 threads)7,8  Processor family  Intel® Core™ Ultra 7 processor  Weight  Starting at 1.39 kg9  Display size (diagonal)  35.6 cm (14')  Display  35.6 cm (14') diagonal, WUXGA (1920 x 1200), IPS, narrow bezel, anti-glare, 300 nits, 45% NTSC  Touchscreen  No  Color gamut  45% NTSC  Brightness  300 nits  Dimensions (W x D x H)  31.86 x 22.44 x 1.09 cm (front) 31.86 x 22.43 x 1.7 cm (rear)11  Graphics  Integrated  Graphics (integrated)  Intel® Graphics  Battery type  HP Long Life 3-cell, 56 Wh Li-ion  Battery life note  Battery is internal and not replaceable by customer. Serviceable by warranty. Fast charging 50% in 30 minutes.  Power  65 W USB Type-C™ adapter10  Keyboard  HP Premium Keyboard – spill-resistant, backlit keyboard  Pointing device  Clickpad with multi-touch gesture support, taps enabled as default  Audio  Audio by Poly Studio, dual stereo speakers with discrete amplifiers, integrated dual array microphones  Camera  1080p FHD camera  Ports  2 Thunderbolt™ 4 with USB Type-C® 40Gbps signaling rate (USB Power Delivery, DisplayPort™ 1.4) 2 USB Type-A 5Gbps signaling rate (1 charging, 1 power) 1 HDMI 2.1 1 stereo headphone/microphone combo jack 1 RJ-4512  Wireless  Intel® Wi-Fi 6E AX211 (2x2) and Bluetooth® 5.3 wireless card  Mobile broadband  HP 4000 4G LTE Advanced Pro  Fingerprint reader  Fingerprint sensor  Product color  Pike silver aluminum  Ecolabels  TCO Certified  Manufacturer Warranty 3-year warranty