Universal drive cage design compatible with 5.25", 3.5", and 2.5" storage drivesEquipped with 1 x USB Type-C portRetro floppy disk-style optical drive bay coverPositive air pressure design ensures superior cooling performance, quieter operation, and effective dust prevention.Includes quick-access filters for easy maintenance.Model No.SST-FLP01WMaterialSteel, plasticMotherboardSSI-CEB, ATX, Micro-ATX, Mini-ITXDrive bayExternal5.25" x 1 (compatible with 3.5" x 1 or 2.5" x 2)Internal3.5" x 1 (compatible with 2.5" x 1)2.5" x 1Cooling systemRear80mm x 2SideRight: 120mm x 2 (120mm x 1 fan included)Left: 120mm x 1 / 80mm 1Limitation of CPU cooler138mmExpansion slot7+1Limitation of expansion cardLength： 309mmWidth： 133mmPower supplyStandard PS2 (ATX) -Not includedLimitation of PSU170mmFront I/O portUSB Type-C x 1USB 3.0 x 2Combo audio x 1Dimension440mm (W), x 170mm (H), x 362mm (D), 27.08 liters17.32" (W), x 6.69" (H), x 14.25" (D), 27.08 liters