The Dell Latitude E6440 Business Laptop PC (Refurbished) is a robust 14.1‑inch enterprise notebook originally introduced in 2013, engineered with a magnesium‑alloy chassis, reinforced steel hinges, and a spill‑resistant keyboard to withstand heavy professional use, while delivering strong performance through its Intel Core i5 4th Generation Haswell processor with 3MB cache and Turbo Boost speeds up to 3.30 GHz, paired with 8GB DDR3L RAM (expandable to 16GB) and a fast 256GB Solid State Drive (SSD) replacing the original HDD for improved responsiveness; the LED‑backlit non‑touch display supports resolutions of 1366×768 or optional 1600×900, powered by Intel HD Graphics 4600 or optional AMD Radeon HD 8690M discrete graphics, making it suitable for productivity and light multimedia tasks; connectivity is extensive with four USB 3.0 ports, HDMI, VGA, Gigabit Ethernet, ExpressCard/54 slot, SD card reader, headphone/microphone jack, and optional docking station support, alongside dual‑band Wi‑Fi, Bluetooth 4.0, and optional WWAN mobile broadband modules; security features include Dell ControlVault, TPM 1.2, optional fingerprint reader, SmartCard reader, and BIOS‑level protections, aligning with enterprise IT standards; audio is delivered via integrated stereo speakers with Waves MaxxAudio technology and dual array microphones, complemented by a 720p HD webcam for conferencing; power is supplied by a 6‑cell or optional 9‑cell Lithium‑Ion battery, offering extended runtime with Dell’s ExpressCharge technology; the system originally shipped with Windows 7 Professional but refurbished units are commonly upgraded to Windows 10 Pro, ensuring modern compatibility; weighing around 4.6 lbs (2.1 kg) and measuring 1.3 inches thick, the Latitude E6440 balances portability with rugged durability, making it a cost‑effective choice for professionals seeking a secure, upgradeable, and reliable business laptop even years after its release.