Features
Three 5.25" and two internal 3.5" HDD drive bays for RAID 0, 1, 5 & CD-ROM
Four USB ports on the front panel
Two ball-bearing cooling fans (12 cm x1 + 8 cm x1) for better ventilation
Three card retainer positions
One modularized function panel for single (default) and dual (optional) systems
PS/2 redundant power supply installable
ATX M/B applicable, especially for large AT size M/B