DESC: The SC733i-645 Chassis supports a 12 x 13 EATX motherboard and features a 645W low noise AC power supply with PFC, 12cm thermal controlled low-noise exhaust fan, 9cm thermal controlled low-noise cooling fan, power switch and four LED indicators. For expansion, it supports seven full-height, full-length I/O expansion slots, 4x IDE drive carrier, two 5.25 peripheral bays, one 3.5 floppy drive and two USB ports.