11-Bay ATX Case w/300W Power Supply - Great for P4! Beige case design / ATX case / 11-bay case / Four (4) 3 x 3-inch fan mounts on front (fans not included) / Two (2) 3 x 3-inch fan mounts on rear (fans not included) Two (2) front mounted USB ports (USB 1.1 rated only) / Power Switch / Reset Switch / Power LED / HDD Access LED / Premounted PC Piezo Speaker Both exterior side panels removable for easy installation / Available Drive Bays: Four (4) externally available 5.25-inch drive bays, Two (2) externally available 3.5-inch drive bays, Five (5) internally available 3.5-inch drive bays Expansion Slots: Seven (7) punch-out expansion slots / 300-watt ATX 100v-230v switchable power supply with fan