I have on of those in the Router in my signature.
http://www.gigabyte.se/products/product ... id=4918#ov
Now I dont know for sure how good the driver and decoding support is on those GPU's under linux atm. Intel seems to have linux drivers and from what I read there should be opensoruce drivers to. But you have to do some research in to that but they have the hardware needed and I think intel is working on drivers pretty hard for bay trail. I just dont have any interest in drivers for that board my self
Any way I run that passively. CPU runs at 53C idle. About 60C full load on all cores.
The chassis do need vent holes for the hot air to get out.
It compiles my Linux kernel in 8 minutes and benchmarks 8.8GFLOPS so its pretty fast for more common tasks but its not a number cruncher. My i7 3930K @ 4Ghz compiles a kernel in just under 1 minute so yea 8min for 10W SoC is dam good. Recommend MINIMUM kernel 3.13.7 for it also make sure to have at least F2 bios. You might need even newer Kernel for proper GFX support. Tough flashing it basically requires windows but another person that got the dual core version got a newer bios so I dont think thats a problem any more (I got en early batch since I pre-ordered my board). Grub2 had som problems with the F1 bios for me and randomly rebooted after Grub2 started.
But yea thats a 10W SoC (system on a chip), it uses DDR3L and note thy "L". Wont work with normal DDR3 it must be 1.35V DDR3L and SODIMM since thats a requirement by the Bay Trail SoC.
So you can run it of any AC to DC converter for an ITX build. Board it self is just about 10W then ram and what ever else you want is a few watts.
Mine runs at full Turbo of 2.42Ghz during compiling for hours, no throttling so its not running to hot.
its also a very low cost board so.
It do not have HDMI, but it has DVI. No Digital out ithere so its not a perfect HTPC if thats what you want.
There are other models from gigabyte and other manufacturers. This on I linked to is a "legacy" product meaning its meant to replace old systems and interface with older hardware like VGA, COM ports etc. Plus is Dual Gbit lan.
Gentoo server: R5 5600G 4.4Ghz, 32GB ram, 8TB SSD, 76TB HDD, NIC: 10Gbit + 2.5Gbit