http://www.amazon.com/Thermaltake-Mobile-External-Cooling-AF0007/dp/B002OJN250/ref=sr_1_2?ie=UTF8&qid=1375010227&sr=8-2&keywords=thermaltake+usb+fan  


 nice fan.  I got some on sale a while back.

  I am running 27 sticks with 3 anker hubs and 3 fans.

 I have a 9gh miner pulling 127watts  my gpu farm was 10gh and pulled 3400 watts!!