Tripp Lite 42U SmartRack Mid-Depth Expansion Rack, side panels not included

Overview

The Tripp Lite SR42UBMDEXP is a 42U mid-depth expansion rack designed to extend an existing SmartRack row, providing additional space for servers, UPS systems, and network switches in data centers, server rooms, or network closets. With dimensions of 36 inches front to back and 24 inches wide, it accommodates most rack-mount equipment while maintaining efficient airflow and cable management. The rack supports up to 3,000 pounds when stationary and 2,250 pounds while rolling, making it suitable for dense hardware setups.

Key features

• Mounting rails adjustable in quarter-inch increments to fit equipment of varying depths and keep cables organized
• Removable, reversible, and lockable front and rear doors for flexible access and enhanced security
• Pre-installed casters and leveling feet simplify moving and stabilizing the rack during installation
• Vented top panel and open bottom design promote natural front-to-rear airflow and easy cable entry
• Integrated grounding points ensure safe bonding and help meet compliance requirements
• Side panels are excluded to allow direct baying to adjacent SmartRack cabinets, enabling easy side access for maintenance
• Robust frame construction supports heavy equipment loads while maintaining mobility and stability
• Five-year limited warranty provides confidence in long-term durability and performance

Key specs

• Height: 42U
• Depth: 36 inches (front to back)
• Width: 24 inches
• Weight capacity (stationary): 3,000 pounds
• Weight capacity (rolling): 2,250 pounds
• Mounting rail adjustment: quarter-inch increments
• Doors: removable, reversible, lockable front and rear
• Warranty: five-year limited

Connectivity and compatibility

This expansion rack is designed to seamlessly bay with standard Tripp Lite SmartRack cabinets, creating a continuous row without side panels separating units. Its dimensions and adjustable rails accommodate a wide range of rack-mount servers, UPS units, and network switches commonly used in enterprise environments. The open bottom allows cables to enter from floor or raised access areas without strain, supporting neat and efficient cable routing.

Installation and setup

Equipped with factory-installed casters, the rack can be easily rolled into position before locking down with leveling feet for stability. The adjustable mounting rails allow precise depth settings to match your equipment, reducing cable clutter and improving airflow. Removable and reversible doors provide flexible access options during installation and maintenance, while integrated grounding points simplify safety compliance.

Ideal uses and environments

This expansion rack fits well in high-density virtualization clusters, colocation facilities, and core network infrastructure setups where additional rack space is needed without sacrificing airflow or accessibility. Its sturdy construction and weight capacity make it suitable for heavy blade servers and storage arrays, while the open design supports efficient cooling and cable management in busy data center environments.