The ThinkPad E15 G4 is a laptop computer with a 15.6-inch non-touch display with a resolution of 1920x1080 pixels. It is powered by an Intel Core i5-1235U processor with E-cores that can go up to 3.30GHz. The laptop comes with Windows 10 Pro 64 preinstalled but can be downgraded to Windows 11 Pro 64. It has a 256GB SSD M.2 2242 PCIe Gen4 TLC Opal storage device for fast data transfer and secure data storage. The laptop is designed for business use and is equipped with features such as TPM 2.0 security, fingerprint reader, and smart card reader for enhanced security.