?OS Preinstalled+Upgraded Interface? KAMRUI Mini Desktop Computers with OS preinstalled and multiple interfaces (4*USB2.0, 2*HDMI,1*3.5mm Audio Jack,1* Gigabit Ethernet Por,1*DC Jack).Built-in cooling fan and radiator for quiet and efficient cooling and temperature balance which prevents lagging and freezing. This compact pc computer desktop also supports Linux, Ubuntu, Auto Power On, RTC Wake-up,Automatic Boot, and you can enter the BIOS interface to set it up. ?Multiple Connections with Stable WiFi5&BT4.2?KAMRUI small computer comes with Gigabit Ethernet supports,2.4G+5.0G dual-band WiFi and Bluetooth 4.2 provideds high speed transfer and download.It can be connected to your mouse, keyboard, headset. This mini pc can also work with servers, surveillance equipment, office equipment, monitors, projectors, TVs and so on. Built-in fan cooling, so you don't have to worry about your mini pc overheating when multitasking. ?Impressive Graphics & 4K DUAL Screen Display?KAMRUI Micro pc desktop comes with Intel UHD Graphics eligible GPU (750MHz max),Supports HD (4096 x 2160), 4K@60GHz DUAL screen display(2* HDMI). Connect samll PC to a projector as a home theater, enjoy a variety of entertainments. Includes VESA mount to set up an all-in-one PC and free up desk space.Ideal for visual home entertainment, home office, conference room, etc. ?16GB DDR4 RAM+ 1TB SSD UP TO 2TB?KAMRUI mini computer desktop is equipped with 16GB DDR4 RAM (Max 3200MHz) and 1TB M.2 SATA SSD.The expandable hard drive design is also offered, you can replace the SSD of your small office PC to 2TB(Max) or add a 2TB 2.5" HDD/SSD 2280 (not included) to expand storage.The thoughtful expandable memory design allows your computer tasks, documents, or entertainment to roam freely in your storage space. ?High Cost Performance CPU by N100?KAMRUI AK2PLUS mini pc computer is specially designed for ordinary consumer users with this processor from 12th Intel Gen Alder Lake-N100(4C/4T, 6M Smart Cache, up to 3.4GHz, 6W TDP). Smoother running than N5105/N5095/N95.N100 mini pc handles like Office work, editing documents, 4K video playback, online education, design and even for professional uses like photos editing, with a user experience almost comparable to mini computers.