This ultra-small-form-factor, fanless PC is 100% new and built-to-order, with 100% new components. Configurable with 9th generation Celeron J4125 CPU, 4-32gb RAM, 256gb-2tb M.2 SSD, and can be preinstalled with Linux, Windows 7 or 10, or no operating system. Comes standard with gigabit ethernet, but wireless can be added. To order with Linux, add comments to your order specifying which Linux distribution you want installed before shipment. Barebones (no RAM or storage) and other customizations are also available, just ask! NOTE: Contact us for larger quantity orders and lead time information. "Lead time information" means that these systems are built-to-order, which means there is a certain amount of time to build and test your order, depending on the configuration, quantity, and current availability of all parts involved. Any questions, please ask. Also, we can ship as many of these as you need. Due to eCRATER's selling limitations, we cannot list more than a small quantity, so contact us if you need a larger quantity and we will accommodate you. Features: Ultra-Small-Form-Factor (USFF), fanless case1 x Intel Celeron J4125 9th generation CPU2 x Gigabit ethernet port (optional wireless using whatever card you want)1 x DDR4 SODIMM slots1 x Integrated HDMI video1 x VGA port1 x M.2 80mm SSD slot1 x mSATA SSD slot1 x 2.5" SSD or HDD port1 x mini-PCIE slot (plus antennae for optional internal wireless/bluetooth card)2 x USB 3.x ports2 x USB 2.x ports2 x RS-232 COM ports1 x Microphone input / Line output port Dimensions:4.53" (115mm) x 4.33" (110mm) x 1.68" (42.7mm) NetFu has over 25 years of IT experience that we offer for free to every customer!(unlimited eCRATER messaging/emails or limited to 1 hour remote support session)