This model features a unique modular interior for outstanding configurability The Node 304 accommodates up to six hard drives. Unused mounting brackets can be removed in favor of long graphic cards, additional airflow or more space for organizing cables. Additionally, it is equipped with three hydraulic bearing fans, easy-to-clean air filters in all intakes and two front USB 3.0 ports. Compact, modular interior Minimalistic design with an elegant aluminum front panel Unique new modular mounting system that accommodates up to 6 hard drives Accommodates tower CPU coolers and single-fan water cooling systems Filtered air intakes ensure a dust-free environment for internal components Three Silent Series R2 hydraulic bearing fans included Excellent cooling for all components Accommodates ATX power supplies Fan controller for all fans included USB 3.0 for fast file transfers Specification Form Factor: Mini ITX Small Form Factor: Yes (SFF) Power Supply Wattage: No PSU Motherboard Support: \"\"Mini ITX, Mini DTX (motherboards with SATA ports that are angled 90 degrees may conflict with installation in the case)\"\" Connectors / Controls: 2 x USB 3.0 1 x 3.5 mm audio in (microphone) 1 x 3.5mm audio out (headphone) Power button with LED Drive Bays: 6 x 3.5\"\"\"\" / 2.5\"\"\"\" Expansion Slots: 2 Expansion slots Cooling System: Included Front: 2 x 92 mm Silent R2 hydraulic fans Rear: 1 x 140 mm Silent R2 hydraulic fan Fan Mounts Front: 2 x 80 / 2 x 92 mm Rear: 1 x 120 / 1 x 140 mm .: Water Cooling options: Single-fan water cooling systems Colour: Black Compatability: \"\" GFX Card: 310 mm (when 2 HDD slots are removed; graphics cards longer than 170 mm will conflict with PSUs longer than 160 mm) Max GPU thickness: 45 mm Max CPU Cooler: 165 mm PSU: ATX (up to 160 mm in length)\"\" Weight/Dimensions: 4.9 kg (W x H x D) 250 x 210 x 374 mm Volume: 19.2 litres Accessories: Accessory box User manual Vertical stand & riser card for graphics card Package Weight: 5.7500 kg