Tripp Lite 45U SmartRack 4-Post Open Frame Rack, Threaded 12-24 Mounting Holes

Overview

The Tripp Lite SR4POST1224 is a 45U four-post open frame rack designed to organize and support 19-inch rackmount equipment such as servers, network switches, and patch panels. Constructed from cold-rolled steel with a black powder-coated finish, it can hold up to 1,000 pounds of gear while allowing unrestricted airflow and easy cable access. Its adjustable mounting depth ranges from 22 to 36 inches, making it versatile for various equipment sizes.

Key features

• Sturdy cold-rolled steel frame provides reliable support for heavy IT equipment up to 1,000 pounds
• Adjustable mounting rails accommodate both shallow and deep devices, enhancing installation flexibility
• Threaded 12-24 mounting holes eliminate the need for cage nuts, simplifying hardware attachment
• Toolless button-hole mounts enable quick and easy installation of vertical power distribution units and cable management accessories
• Open frame design promotes full airflow to prevent overheating and keeps cables accessible for maintenance
• Durable black powder-coated finish resists scratches and wear in busy equipment rooms
• Flat-pack shipping reduces handling difficulty and speeds up assembly with included hardware
• Backed by a five-year limited warranty, ensuring long-term durability in demanding environments

Key specs

• Rack height: 45U
• Mounting hole type: Threaded 12-24
• Mounting depth: Adjustable from 22 to 36 inches
• Weight capacity: 1,000 pounds (453.6 kg)
• Material: Cold-rolled steel
• Finish: Black powder coat
• Design: Four-post open frame
• Warranty: 5-year limited

Installation and setup

The rack ships flat to simplify transport and handling, and it assembles quickly with the included hardware. Its adjustable mounting rails allow you to position equipment at the ideal depth, while the threaded mounting holes speed up installation by removing the need for additional hardware like cage nuts. Toolless button-hole mounts make adding accessories such as power strips and cable managers straightforward, saving time during setup and future upgrades.

Ideal uses and environments

This open frame rack fits well in network closets, test labs, classroom technology hubs, and other spaces where an enclosed cabinet is not required but sturdy equipment support is essential. Its open design helps technicians during initial deployments and ongoing maintenance by keeping all devices, cables, and ports visible and accessible. The rack’s robust construction and airflow-friendly layout make it a strong choice for IT environments that demand reliable performance and easy equipment management.