The Middle Atlantic U4V is a 4RU, 15.9-inch deep rack shelf designed for reliable equipment mounting and organization. Made from welded steel with a black powder coat finish, it ensures long-lasting durability and a sleek appearance. The shelf features fully vented bottom and sides to promote efficient heat dissipation, maintaining optimal airflow for equipment performance. It is compatible with optional clamping bars for securing components and accepts the PD-815SC-PBSH power strip for power management. Additionally, the U4V. Includes three rear brackets to prevent components from sliding backward, providing added stability and security.