4U rackmount server chassis with enhanced liquid cooling compatibility Supports up to SSI-EEB motherboards Supports 360mm liquid cooling radiators 8 PCI expansion slots Includes sliding rail mounting holes for quick rail installation Includes one USB Type-C interface Upright or horizontal placement flexibility Front panel features anti-theft lock design providing additional security Dual-purpose chassis - Industrial / Home Designed for industrial rackmount or high-end home system usage, which can be placed in vertical or horizontal placements. Enhanced rackmount cooling capabilities The front chassis supports up to 360mm radiators with 2 x 80mm pre-installed rear fans contributing to excellent front-to-back-directional airflow. Feature-rich panel The front panel features star-crossed ventilation holes which provides an unobstructed air intake, along with anti-theft lock and aluminum handle bars for added security and accessibility. Excellent space maximization To avoid any unforeseen damages to either the motherboard or the graphics card, an expansion card retainer with storage drive mounting holes is included to prevent sagging of graphics cards while maximizing space utilization. Highly versatile internal layout Server rack sliding rails can be easily installed onto the chassis with the reserved mounting holes. *SST-RMS05-22 rails (sold separately)