Specifications
NIGHTFALL U3
15
2.Insert the add-on card into the mainboard’s respective slot and x it to the case by 
 re-attachingthexationscrew(g.22).
 g.22
10. The pre-installed fan
1.Thepre-installed120mmfrontfanprovidesa4-pinPSUconnectoranda3-pinmainboard 
 plug.
2.ConnectoneofbothplugstoeithertherespectivePSUor(tocontrolthefanspeedviathe 
 mainboard)thematchingmainboardconnector.
11. Installation of additional fans / optimized airflow
1.Placethefanagainsttherespectivebracketfromtheinside(e.g.inthetoppanel/g.23).
 g.23










