The Open Frame Rack Containment System shall be compatible in a hot aisle containment environment using 45 RU and 52 RU 4-post open frame racks and consists of rack top caps, vertical cable manager top caps and end panels. Engineered for versatility, the rack top cap and end panels shall telescope to fit 30 in. and 36 in. rack depths. In addition, the PR2V top caps shall telescope to fit 30 in. and 36 in. rack depths, ensuring compatibility across both configurations. The PE2V top caps shall be at a fixed depth to fit a 36 in. rack depth. Ideal for dynamic data center environments, the modular design makes for a reliable and scalable solution for cooling efficiency.