VS-9 WINDOWS Features ~ Cooling Fan (install up to 6 fans!): Front-3x12cm optional; Back-1x12cm; Side-1x12/14cm optinal; Bottom-1x12/14cm optinal ~ Dimension: 430(H) x 190(W) x 493(D) ~ Motherboards: ATX/Micro-ATX ~ 5.25"Capacity: 9 ~ 3.5" Capacity: 1(w/adaptor); 5 HDD (Hidden)