CHAS MID ATX 3 5.25 4 3.5 HD/AC97 350W V2.2 PRODUCT FEATURES: Best performed SECC Japanese steel metal Detachable HDD drive cage Folded edge Extra vent at rear panel Stamped motherboard support Screwless front panel and side panels Configured 7 drive bays 0.8 mm sheet metal construction Meet CE, FCC class B requirement