. Motherboard Mini-ITX/Micro-ATX/ATX/E-ATX Case Type Middle Tower Materials ABS+SPCC+Tempered Glass Product Dimensions 440X210X480mm Carton Dimensions 523X277X514mm Net Weight 6.6Kg Gross Weight 7.6Kg 5.25" Drive Bays 0 3.5" Drive Bays 2 External 3.5'' Drive Bays 0 2.5" Drive Bays 4 I/O Ports USB2.0×2、USB3.0×1、Audio×1、Mic×1 Expansion Slots 7 Slots Power Supply Type ATX PS2 （Length less than 170mm） Cable Management 23mm clearance CPU Cooler Height Limit 168 mm VGA Length Limit 370mm Cooling Fans Support Optional: Front:140mm×3/120mm×3 Optional: Top:140mm×2/120mm×2 Optional: Rear:1×120mm Liquid Cooler Support Front:120/140/240/280/360mm;Top:120/140/240/280mm; Rear:120mm P/N DP-ATX-MATREXX55-MESH http://www.deepcool.com/product/case/2019-08/9_11901.shtml