CoolerMaster bring in the stylish and subtle NR400 with desirable features such as a Tempered Glass Side Panel but at an accessible price point. The MasterBox NR400 applies optimal cooling and expandability to a stylish, subtle design. With thermal capability at the forefront of features, the front panel and top panel are designed to maximise airflow performance.Functionality is blended to a compact design by maximizing use of internal space and implementing subtle design elements. The MasterBox NR400 features a tempered glass side panel, fastened by thumbscrews on the rear panel, to keep the surface immaculately flush. FEATURES:- Minimalistic Mesh Design: Elegant design elements are applied to mesh for optimal thermal performance.- Optimal Thermal Performance: The full mesh front panel and ventilated top panel provide a high potential for thermal performance.- Flush Tempered Glass Side Panel Design: The tempered glass side panel, fastened by thumbscrews on the rear panel, keeps the surface flush and unobstructed.- Graphics Card Support Up To 346mm: Generous clearance space is provided to support the latest graphics cards.- Headset Jack: The single 4 pole headset jack features both audio and microphone capabilities simultaneously so that separate jacks are not needed.- Cable Management: High quality rubber grommets are paired with 22mm of clearance behind the motherboard to offer ample room for cable management.SPECIFICATIONS- Materials: Steel, Plastic, Tempered Glass- Dimensions (L x W x H): 411mm x 210mm x 411mm- Weight: 5.56kg- Motherboard Support: Mini-ITX, Micro-ATX- Expansion Slots: 4- Drive Bays: 3 x 3.5\" HDD, 4 x 2.5\" SSD- I/O Panel: 2 x USB 3.0, 1 x 3.5mm Headset Jack (Audio + Mic)- Pre-Installed Fans: 1 x 120mm (Front), 1 x 120mm (Rear)- Front Fan Support: 3 x 120mm / 2 x 140mm- Top Fan Support: 2 x 120mm / 2 x 140mm- Rear Fan Support: 1 x 120mm- Front Radiator Support: 120mm / 140mm / 180mm / 240mm / 280mm- Top Radiator Support: 120mm / 240mm- Rear Radiator Support: 120mm- Dust Filters: Top, Bottom- CPU Cooler Clearance: 166mm- PSU Clearance: 325mm (without front radiator & HDD cage) / 140mm (HDD cage in rearmost position)- GPU Clearance: 346mm- Cable Routing (Behind Motherboard Tray): 22mm- PSU Support: Bottom Mount, ATX PS2