ThinkPad E15 Gen 4 The metallic laptop with the Midas touch With 12th Gen Intel Core processing and fast PCIe NVMe solid state drives, plus up to 40GB of seamless memory, the powerful ThinkPad E15 Generation 4 can handle any task on the go. The ThinkPad E15 Gen 4 is designed to withstand almost anything you can throw at it—even water. MIL-SPEC tested, it’s proven to work in almost any environment from freezing Artic cold to a hot, dry desert. What’s more, even accidental knocks, drops, and spills won’t stop it from performing. Lenovo 15.6" ThinkPad E15 Gen 4 High Performance Business Laptop PC Intel 12th Generation Core i7-1255U Ten-Core (up to 4.7 GHz with Max Turbo, 12 MB Cache) Integrated Intel Iris Xe Graphics 15.6" Full HD (1920 x 1080), Matte, IPS, Anti-Glare Display, 800:1 Contrast, 300 nits brightness, 170-degree Wide View Angle 40GB DDR4 Memory 1TB PCIe NVMe M.2 SSD Windows 10 Professional (Win 10 Pro 64-bit) Backlit Keayboard, Fingerprint Reader, dTPM 2.0 Built-in 720p HD webcam 1 x 10/100/1000 Mb/s Gigabit Ethernet (RJ45), WiFi 6E, 802.11ax, Bluetooth 5.1 1 x USB 3.2 Gen 1 (Always On), 1 x USB 2.0, 1 x Thunderbolt 4 / USB4 40Gbps (support data transfer, Power Delivery 3.0 and DisplayPort 1.4), 1 x HDMI, up to 4K/60Hz, 1 x 1/8" (3.5 mm) Headphone/Microphone Combo Jack, Integrated Microphone, Integrated Speaker 45Wh Battery, 65 Watt Power Supply, supports Rapid Charge (charge up to 80% in 1hr) Dimensions (W X D X H): 14.37" x 9.45" x 0.74" Weight: 3.75 pounds 1 Year Lenovo Depot Warranty / 1 Year Laptop Authority Limited Warranty Black Mil-Spec Test: MIL-STD-810H military certification Environment: EPEAT Gold, ENERGY STAR 8.0; RoHS-compliant, TCO Certified 9.0, ErP Lot 3 Laptop Authority sells computers with upgraded configurations.