Black Box 4-Post Modular Rack With Adjustable RailsDesigned for versatile data centers, lab environments, studios, and workspace setups, the Black Box 4 Post Modular Rack With Adjustable Rails combines rugged construction with flexible rail positioning and effortless mobility. This modular rack is engineered to adapt to a wide range of hardware while keeping equipment secure, accessible, and organized. Its open design promotes easy service access, improved airflow, and streamlined cable management,