V jedné recenzi je to popsáno takto: There are also bumps on the motherboard tray in place of where you would normally install risers, in all but three of the nine locations needed to install an ATX motherboard, leaving you to install three risers in the remaining places. Either Thermaltake think it's difficult to install risers or it's to speed up install time, I'll leave you to speculate.

http://benchmarkreviews.com/index.php?option=com_c ontent&task=view&id=592&Itemid=61&limit=1&limitsta rt=3