Dell OptiPlex 7090 Micro w/ Power Supply Computer testing includes the following: Updated BIOS, securely erased SSD, Dell onboard diagnostic software, i/o plug test, Windows 11 Pro installation. Windows 11 Pro Office 365 Online Intel Pentium Gold G6405 4.10GHz CPU Intel UHD Graphics 610 250GB SSD 16GB RAM Intel AX201 WiFi 2x DisplayPort, 1x RS-232 Serial, 5x USB 3.0, 1x USB-C, 1x RJ-45 ethernet, 1x headphone/speaker port, 1x lineout port, 1x Kensington Lock Slot Includes 1x power supply