Back I/O ports: 1x RJ45 LAN jack, 1x DC - in, 1xHDMI out, 2x USB 3.2 Gen 1 Type - A, 2x COM port, 1x VGA port Secure with TPM, HDD User password protection and security Side I/O ports: 1x headphone out, 1x 6 - in - 1 reader, 1xMIC - inm 2x USB 3.2 Gen 1 Type - A, 1x Kensington lock Intel Celeron N4020 processor with 4GB RAM, 128GB SATA SSD and Windows 10 Pro Wired Keyboard, wired optical mo use and wall mount screws included The fanless design reduces operation noise and improves reliability by reducing dust in the system Lightweight at just 4.41 lb with WiFi 5 and dual - band Bluetooth 4.1 connectivity 15.6 inch HD touch display with a 10 - point touch panel with the one - touch wake from sleep mode offers a responsive and smooth touch experience. *Free upgrade to Windows 11 when available: Upgrade rollout plan is being finalized and is scheduled to begin late 2021 and continue into 2022. Specific time will vary by device. Certain features require specific hardware. See https://www.microsoft.com/en-us/windows/windows-11-specifications.