(Sure, it would have been enough even 2x2GB and 128-256GB SSD, but a little never hurts Reserve :-))
The calculator works with me with a Windows 7 (64bit) on a Philips TV via HDMI. The core temperature does not go virtually 60 °, then the enclosure is not even lukewarm and the fan makes no noise.
On YouTube there are tens of videos showing the assembly of the components, all very simple.
The computer is really very small and in my opinion also design technically well done - he's absolutely living room compatible.
Usually sold in the ... WYK2 variant (see product details) - this means that accompanies the appropriate power cord already!