The Endorfy Regnum 400 ARGB is a high-performance tower case designed for PC enthusiasts seeking both style and functionality. Featuring an elegant tempered glass side panel, this chassis showcases your build while providing robust support for ATX, Micro-ATX, and Mini-ITX motherboards. The spacious interior accommodates up to four 2.5" SSDs or two 3.5" HDDs, multiple graphics cards up to 340 mm in length, and CPU coolers up to 162 mm tall. With pre-installed ARGB fans (4 x Stratus 120 PWM), the Regnum 400 ensures optimal airflow and customizable lighting effects compatible with major motherboard sync technologies. Front I/O includes USB-C, USB-A ports, audio jacks, and power/reset buttons for convenience. Endorfy is known for its commitment to quality engineering and user-friendly designs; they also prioritize sustainability by using recyclable packaging materials and energy-efficient manufacturing processes where possible?helping customers make environmentally conscious choices with their purchase.