5.25" bay converts to three 3.5" HDD module Easy to use and install 120x120x25mm fan up to 1300 rpm at a quiet 17dBA Blue LED fan Aluminum body Product description Material Aluminum Color Silver Cage & Transparent Fan Application 5.25" Drive Bay Multimedia Kits - 5.25 bay convert to 3 x 3.5 HDD Module - Easy to use and install - 120 x 120 x 25 mm fan, 1300 RPM, 17 dBA - Blue LED fan - 3 x 3.5" HDD Module with 120 mm Blue LED fan - Low Noise Dimension 125 x 145 x 155 mm (H*W*D) Weight 450 g From the Manufacturer The Thermaltake iCage A2309 is a three 3.5" HDD module for your 5.25" bay. Easy to use and install, the 120x120x25mm fan spins 1300 rpm at a quiet 17dBA. The blue LED fan and aluminum body gives it a stylish look.