This was a new open box item. purchased to build a service media player but seller I purchased from took too long to send it so I used another model for the build. Again this is a new open box unit. The HP Elite t655 Mini PC Thin Client is a powerful desktop featuring an AMD Ryzen processor, 8GB of RAM, and a 64GB SSD. With integrated AMD Ryzen graphics, this sleek black desktop offers fast connectivity through USB 2.0 and reliable Windows 10 operating system. Ideal for those looking for a compact and efficient desktop solution, the HP Elite t655 is perfect for both work and leisure tasks. it comes with ac power adapter only. if you want an upgrade before I package I can upgrade ram or SSD for small fee.