This robust rack design divides the total 47U space into four isolated 11U compartments, each equipped with a 3-dial combination lock and key for controlled access. With a 48” physical depth and 29” mounting depth, this rack easily accommodates modern servers, networking devices, and. The IBM Dynamic Expansion Rack, a 42U, industry-standard 19-inch rack, complements the IBM Dynamic Standard Rack with additional rack-mounting space. Includes: Frame, 2 Pair Square Hole Rails, Solid Side Panels, Perforated Door on Front, Split Perforated “French Style” Door on Rear, Top with Cable Knockouts and Cooling Provisions, Bottom Panel, 2 Vertical Lacing Panels, Casters, Levelers, Grounding Kit, and Baying Hardware. A full range of easy-to-use cable management, airflow management and storage accessories are also available. This robust rack design divides the total 47U space into four isolated. Skip to content expand/collapse Networking Bulk Wire & Cable Cables Racks & Enclosures Tools Audio/Video/Home HDMI Mounts Adapters Usb/Mobile/Tablet Electrical Technical Furniture New Products Product Bundles Clearance FireFold Swag FireFold ICC Intellinet Network Solutions Jonard Tools j5create. 47U server racks and floor standing data cabinets from Server Room Environments are one of the largest available and are designed to provide a complete and secure protective enclosure system for servers, IoT, Edge computing and networking devices. The 47U rack range includes budget and premium.