Premium design: The Helios II is made for showcase builds, with aluminum front panel featuring diamond-grille design and 3D-structured filter to support effective cooling Optimal thermal performance: Pre-installed four 140 x 28mm performance fans deliver ultimate airflow Ready for the DIY experience: PC building is made easy with support for EATX motherboards and graphics cards up to 450mm long, plus a graphics card slot clamp and a rear detachable PSU bracket Tidy PC building: Effortless cable management is enabled by a multifunction cover with graphics card holders, a PSU shroud, a cable cover, and rear cable clips Advanced I/O panel: This section features two USB 20Gbps Type-C ports, four USB-A 3.0 ports, an ARGB-lighting control button and a fan-speed PWM control button Comfortable case straps: Easily carry your prized build to LAN parties with ergonomic and stylish X-shaped woven straps Motherboard Compatibility: E-ATX (up to 12" x 10.9"), ATX, Micro-ATX, Mini-ITX Maximum GPU Length: 450mm/ Maximum CPU Cooler Height: 190 mm / Maximum PSU Length: 220mm