Ebuyer has a large range of barebone systems which are a perfect starting point when it comes to building your own computer. A barebone computer is a half-assembled platform that consists of a case with a power supply, a motherboard preinstalled into the system case, and a cooling system. As well as finding barebone systems at Ebuyer, you will be able to find all the components to complete the system including memory, a CPU, graphics card etc.