ASUS ExpertCenter Essential E1 All-in-One Desktop PC (E1600WKAT-C4128B0W) - Intel Celeron N4500 Processor, 4GB DDR4 RAM (1 x 4GB, 1 SO-DIMM Slot Free), 128GB M.2 PCIe NVMe Solid State Drive, 15.6-inch HD Touch (1366 x 768), No Optical Drive, Intel UHD Graphics, Webcam, Connectivity: Side I/O Port: 1 x 2-in-1 card reader SD / MMC, 1 x 3.5mm combo audio jack, 2 x USB 3.2 Gen 1 Type-A, Back I/O Port: 1 x DC-in, 1 x Kensington lock, 2 x COM port, 1 x RJ45 Gigabit Ethernet, 1 x HDMI out 1.4, 1 x USB 3.2 Gen 1 Type-C, 2 x USB 3.2 Gen 1 Type-A, Keyboard + Mouse, Windows 11 Home 64-Bit