We are back looking at another air cooler from be quiet!  While their high performance Dark Rock series coolers get most of the attention, let's face it not everyone needs a super high performance cooler and they could save some money going with a more modest cooler that still does a great job at cooling.  That is where be quiet's Shadow Rock series comes in.  Today we are checking out the Shadow Rock Slim 2, which is a single tower cooler that is only 74mm thick that has four 6mm-thick heatpipes and a 135 mm cooling fan all with a cooling capacity of 160W TDP.  Let's get this cooler installed and see what it can do!