The VSK3500E-U3 is built with SGCC steel ensuring durability for your next build. The VSK3500E-U3 meets Thermally Advantaged Chassis (TAC) 2.0 guidelines and is also equipped with two USB 3.0 ports, Audio In/Out, five drive bays and four expansion slots. Building a system starts with buying a case, then comes the parts that goes into it, which the cost can add up very quickly. The VSK is here to provide the basic platform to start building your very own system. It’s humble design and practical functionality contains the fundamentals for a performance chassis. The VSK line is designed to be a stepping stone for those who want to upgrade their system later on. Each chassis devotedly serves their purpose as a cost-effective, unforgettable part of your system building experience. Model: VSK3 Series with true 500w continous PSU ATX 24PIN * 1 / CPU 8PIN EPS (4+4) x 1  / PCI-E 8PIN (6+2) x 1 / SATA x 5. Molex x 2, Card Reader x 1 Case Type: Mid-Tower Color(s): Black Cooling System: 1 x 92 mm rear exhaust fan - 1 x 92 mm front intake fan (optional) Water cooling support: rear water cooling grommets Drive Bays: - 2 x 5.25' external drive bays - 1 x external floppy drive bay - 2 x 3.5' internal HDD bays - 1 x 2.5' internal SSD/HDD bay Front Ports: - 2 x USB 3.0 - Audio In/Out Expansion Slots / video card size: - Four expansion slots PSU: None Motherboard Support: microATX, Mini-ITX Dimensions: - 14.4' (H) x 6.8' (W) x 15.5' (D) - 365 mm (H) x 173 mm (W) x 393 mm (D) Weight: Net Weight: 9.0 lbs / 4.1 kg - Gross Weight: 10.6 lbs / 4.8 kg Warranty: 2 year