The ZBOX BI325 Desktop Computer from Zotac is a small and compact barebones system powered by a 1.6 GHz Intel Celeron N3160 quad-core processor. To start using it, you'll have to install your own RAM, storage, and operating system. It has two 204-pin RAM slots, supporting up to 8GB of DDR3L RAM, and a 2.5" SATA SSD/HDD slot for storage. For graphics, it's equipped with integrated Intel HD graphics and DVI-D, HDMI, and VGA ports for connecting displays. Other built-in features include 802.11ac Wi-Fi, Bluetooth 4.0, multiple USB ports, a SDXC media card reader, and audio in/out ports.