Chassis size:L450xW190xH430mmPacking size:483x240x540mmMotherboard type:Micro ATX/ATXPower Supply:ATXThickness:0.6&0.5mmCD-ROM space:4H.D.D space:4F.D.D space:1Cooling fan place:2x8cm at side,8cm or 12cm at back,1x8cm at topSide panel optional:air duct or 22cm cooling fanFront panel optional :LCD displayChassis top handle : optional20ctr:450pcs10HQ:1100pcs