This is an HP EliteDesk 800 G1 SFF Desktop Computer with an Intel i7-4790 3.6GHz, with 32GB RAM, a 1000GB hard drive, and a Windows 10 Pro operating system. This machine is fully refurbished and comes with years of computing warranty. These units are retail ready including a new licensed Microsoft operating system, power cord or AC adapter, and keyboard/mouse to get you up and running right out of the box (3rd party/aftermaret new or OEM used). Each unit has undergone rigorous functional testing before leaving our facility, they will give you years of computing. This is backed by our 90 day full functionality warranty! Units may have been cosmetically rejuvenated but may show subtle signs of being preloved.