Rumour - Steam Box prototype outed by Valve staffer

According to an anonymous tipster, Valve staffer Greg Coomer has posted an image of a prototype "Steam Box".

The source told Kotaku that Valve veteran Coomer is spearheading the Steam Box team, which is said to be "just 5-10 people" strong.

Everything else the source turned up is publicly available material; in October, Coomer tweeted a link to a Seattle Times article in which the possibility of Steam hardware is discussed along with several other topics.

Earlier in the month, Coomer mentioned that "building a mini-ITX form factor PC is hard" but gave no indication if he was referencing something official.

In early November, he posted an image of a finished mini-PC, with "i7 quad core, 8GB ram, Zotac Z-68 mobo w/ onnboard Nvidia mobile gfx" - matching specifications leaked to the Verge.

Neither Coomer nor Valve have given any indication that the developer's tweets are anything but personal projects. Valve is yet to confirm or deny rumours of its move into hardware, which surfaced over the weekend.