Chassis 1U Rackmount 2U Rackmount Model Name Dimension (WxDxH) Drive Bay WI-E266B 482 x 550 x 88 mm External : 2 x 5.25″ ODD Internal : 6 x 3.5″ HDD WI-ST2202 427 x 450 x 88 mm External : 2 x 5.25″ Internal : 2 x 3.5″ HDD 4U Rackmount Model Name Dimension (WxDxH) Drive Bay WI-GH-402ATXR 483 x 451 x 177 mm External 3 x 5.25″ CD-ROM 1 x 3.5″ FDD WI-GHI-419ATXR 483 x 510 x 177mm External 2 x 5.25″ CD-ROM 1 x 3.5″ FDD WI-TI-U401S 430 x 550 x 178 mm External : 3 x 5.25″ Internal : 8 x 3.5″ Wallmount Chassis Model Name Dimension (WxDxH) Drive Bay WI-ST318M 330 x 440 x 175 mm External : 3 x 5.25″ Internal : N/A WI-STM741 262 x 292 x 140 mm External : N/A Internal : 2 x 2.5″HDD/SSD WI-STM771 322 x 293 x 140 mm External : N/A Internal : 2 x 2.5″HDD/SSD Tower Chassis Customized Chassis
