Tripp Lite SR42BMDEXPNDNR3

Overview

The Tripp Lite SR42BMDEXPNDNR3 is a four-post open frame rack designed to hold standard 19-inch servers, switches, and other network equipment. It offers 42U of rack height with a usable depth of 36 inches and a width of 24 inches, making it suitable for mid-depth servers and common data center layouts. This expansion model comes without sides, doors, or a roof, allowing unrestricted airflow and easy access to equipment from all directions.

Built with a sturdy steel frame, the rack supports up to 3000 lbs whether stationary or rolled, accommodating dense hardware setups. Heavy-duty casters and leveling feet make it easy to move and stabilize the rack in various environments, from data centers to network closets and labs.

Key features

• Open frame design provides full access for installation, cabling, and maintenance without obstruction.
• Pre-installed heavy-duty casters enable smooth movement through standard doorways by a single person.
• Adjustable leveling feet ensure stable placement on uneven floors once positioned.
• Front and rear mounting rails slide forward or backward with a printed depth index for precise hardware alignment.
• Includes 50 M6 cage nuts and screws for immediate equipment mounting right out of the box.
• Integrated grounding points simplify bonding to facility ground for enhanced safety compliance.
• Tool-less accessory rails accept cable managers, vertical power strips, and airflow panels without additional hardware.
• Supports heavy loads up to 3000 lbs, suitable for dense server and network configurations.
• Backed by a 5-year limited warranty, reflecting Tripp Lite’s commitment to quality and reliability.

Key specs

• Rack height: 42U
• Usable depth: 36 inches
• Width: 24 inches
• Load capacity: 3000 lbs (stationary and rolling)
• Mounting rails: Front and rear, adjustable with depth index
• Included hardware: 50 M6 cage nuts and 50 M6 screws
• Frame material: Steel
• Casters: Heavy-duty, pre-installed
• Warranty: 5-year limited

Connectivity and compatibility

This rack is compatible with standard 19-inch rack-mount equipment commonly used in data centers, server rooms, and network closets. Its 42U height and 36-inch depth accommodate most mid-depth servers and networking devices, while the 24-inch width aligns with typical data center floor tiles and cable trays. The open frame design supports easy integration with existing aisle containment systems or lab setups where quick hardware access is essential.

Installation and setup

Assembly and installation are straightforward thanks to the pre-installed casters and adjustable leveling feet. The sliding mounting rails with printed depth indexes help align equipment precisely according to manufacturer specifications. Tool-less accessory rails allow quick attachment of cable management and power accessories without extra tools, speeding up setup and keeping the rack organized.

Ideal uses and environments

This rack fits well in data center rows with aisle containment, network closets that do not require doors, and lab environments where rapid hardware swaps are common. Its open design and robust load capacity make it a strong choice for IT teams that prioritize easy access, airflow, and flexible equipment configurations. The rack’s mobility and stability features also support dynamic workspaces where equipment may need to be relocated frequently.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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