ATI R600 to ship on foot-long board?

Some snippets have emerged regarding AMD's plan for its upcoming AT Radeon X2000-series graphics cards, better known by the codename R600। Not only that, but a leaked pic of an early version of one of the board shows it's a real biggy - it's over a foot long.
The 80nm GPU will apparently ship in three versions: one XT and two XTXs - one of the latter for OEMs, the other for retail, according to a report at VR-Zone. Apparently, the two XTXs contain 1GB of GDDR 4 memory.
The retail and OEM boards are said to be, respectively, 23.8cm and a whopping 31cm long. Much of the length is taken up with the GPU's extensive cooling system. The two boards are claimed to consume 240W (retail) and 270W (OEM) - hardly likely to impress anyone keen to reduce their carbon footprint...
The XT version, the report claims, is also a 23।8cm board with a 240W power draw. It will apparently ship with 512MB of GDDR 3.
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