1.50-Series GPU Ready: Extended length supports next-gen flagship GPUs (e.g., RTX 5090). 2.ATX PSU + 240mm AIO Combo: Flexible cooling and power supply configurations. 3.HDD/Fan Dual-Purpose Bracket: Add storage or enhance cooling with a single bracket. 4.Space-Efficient Design: Maintains compact height/width while expanding GPU capacity. 5.Upgraded C28 Compatibility: Seamlessly transition from C28 builds with enhanced scalability.