White pink-ish Ceiling fan. Cycles. HDR NOT included Speed adjustment: Has a simple Driver so you just need to select the arrows and go to the speed properties.
Link to the HDR file: http://www.hdrlabs.com/sibl/archive/downloads/Protospace_FabLab.zip
Super realistic! Motion blur is a very nice touch too. Well done! You might add a light kit to the bottom of that. Using it as a light source in a scene would add to its value.