Oemgenuine sells some computers with upgraded configurations. If the computer has modifications (listed above), then the manufacturer box is opened for installation and testing purposes. If no modifications are listed, the item is unopened and untested. Operating System: Windows 10 Pro 64 Bit *Windows 11 Ready* (Windows 10 Pro preloaded, will be able to upgrade to Windows 11 Pro) Processor: Intel Hexa Core i5-10400T [6 Cores] (2.0GHz – 3.6GHz, 12MB Cache) RAM: 16GB DDR4-2666MHz Graphics: Intel UHD 630 Storage: 256GB Solid State Drive (PCIe-NVMe) Wireless: Intel Wi-Fi 6 AX201 11ax, 2×2 + Bluetooth 5.1 Optical Drive : None / No DVD±RW Form Factor: Tiny Keyboard: Lenovo Traditional Keyboard (USB connector), black Mouse: Lenovo Calliope Mouse (USB connector), black Front Ports: 1x headphone / microphone combo jack (3.5mm), 1x USB 3.2 Gen 2 (Always On and fast charge), 1x USB-C 3.2 Gen 1 Rear Port: 1x USB 3.2 Gen 2, 3x USB 3.2 Gen 1, 1x HDMI, 2x DisplayPort, 1x Ethernet (RJ-45) Audio: High Definition (HD) Audio, Realtek ALC233VB codec or ALC897Q codec, 1.5Wx1 Speaker Power Supply: 65W 89% Adapter Weight: 2.76 LBS Warranty: 3 Year Lenovo Onsite Warranty / 3 Year Oemgenuine Limited Warranty