Want a steam machine but want to build it yourself the i5 steam machine diy barebone has done all the hard work for you ensuring that the core components fit is such a small chassis all you need to add is ram hdd and gpu the i5 steam machine diy barebone is designed for steam os but you have the ability to install any os required in windows 81 and windows 10 this i5 steam machine diy barebone comes pre built and fully stress tested in a windows environment for total peace of mind con