UNC-410S-B-U3 The hottest seller amongst the 4U racks. Features such as quick/easy installation, mATX/ATX mainboards, lockable front door, washable dust-filter, 1.2mm thick material, scalability for ATX or redundant supplies make this case an absolute all-rounder and a must-have. Specifications: Form factor: mATX, ATX (CEB 1.01) Dimension (DxWxH): 505mm x 482,6mm x 177,8mm Weight: 18,48 kg w/o PSU Drive Bays ext.: 3x 5,25" / 1x 3,5" Drive Bays int.: 4x 3,5" Power Supply: 400W Front I/O: 2x USB3.0 Scope of delivery: set of screws, keys, 4x 90mm fan (pre installed) Material: SECC, 1,2mm Cooling: 2x 90mm (pre installed) / 1x 80mm, 2x 60mm (optional) CPU cooler height (max.): 140mm VGA card lenght (max.): 260mm Warranty: 24 Month