HP ProBook 640 G2 Core i5 is a reliable, business-class laptop. It typically features a 6th Gen Intel Core i5 processor, 8GB DDR4 RAM, a 256GB/500GB SSD, Intel HD Graphics 520, and a 14-inch display. It is celebrated for its legacy ports (like VGA and RJ-45) and upgradeability.Key SpecificationsThe core configuration details for this machine include:Processor: Intel Core i5-6300U (2.4 GHz base, up to 3.0 GHz with Turbo Boost, 3 MB cache, 2 cores) or Intel Core i5-6200U.Memory (RAM): 8GB DDR4 (Upgradable to 16GB).Storage: 256GB to 512GB M.2 SATA/NVMe SSD, or 500GB HDD (upgradable).Display: 14-inch diagonal HD (1366 x 768) or FHD (1920 x 1080) anti-glare, WLED-backlit.Graphics: Integrated Intel HD Graphics 520.OS: Windows 10 Pro (upgradable to Win 11 via workarounds).Connectivity: Intel Dual Band Wireless-AC 8260, Bluetooth 4.2, and Gigabit Ethernet.Ports: 1 USB Type-C, 2 USB 3.0, 1 DisplayPort, 1 VGA port, 1 RJ-45 (Ethernet), headphone/microphone combo, and a docking connector.Battery & Weight: 3-cell, 48 Wh Li-ion battery; starting weight is 1.95 kg (approx. 4.3 lb