Comes with good construction and stylish looks, the Cooler Master RC-932-KKN3-GP case provides optimum ventilation to your computer. It's designed for easy assembly, cleaning, quick maintenance and upgrades. The Cooler Master RC-932-KKN3-GP case can accommodate massive storage capacity, with six 5.25" drive bays, and up to six 3.5" bays which is provided for the installation of CD-ROMs and hard drives. Excellent cooling is provided by four switchable huge fans: one 230mm front blue LED fan, one 230mm side blue LED fan, one 230mm top blue LED fan and one 140mm rear blue LED fan. The transparent side window gives you a direct view of the inner system, and the LED provides eye-catching fun. Easy USB 3.0 access, IEEE 1394, e-SATA and audio connectivity is provided on the front I/O panel. This is a great case for the do-it-yourselfer who needs a lot of flexibility! With Power Supply: No Power Supply Mounted: Bottom With Side Panel Window: Yes External 5.25" Drive Bays: 6 External 3.5" Drive Bays: 1(converted from one 5.25" drive bay) Internal 3.5" Drive Bays: 5 Front Ports: USB3.0 x 4 / USB2.0 x 2 / Audio / IEEE 1394 x 1/ e-SATA x 1 Side Air duct: No