NZXT Guardian 921RB Mid Tower Case 921RB-001-BL Black/Blue Thick and Solid Construction: build with strength and structural integrity Constant Temperature Monitoring : three monitoring system prevent overheating External Electronics : 1 x Audio/Mic, 2 x USB 2.0, eSATA, Temperature Display Cooling System: 1x120mm front (included), 1x120mm rear (included),1x120mm LED Fan side (included),1 x 120/140 mm top Motherboard Support: ATX, MICRO-ATX, BABY AT Clearance: CPU COOLER CLEARANCE 144.4mm (with fan) 169.4mm (without fan)