Middle Atlantic MRK Series 44RU Open Frame Floor Standing Rack - 36in Depth

Engineered for demanding installations, the Middle Atlantic MRK Series 44RU Open Frame Floor Standing Rack delivers professional-grade durability, flexible configuration, and superior usability for large multi-bay data centers, labs, AV installations, and install projects. With a generous 44U of mounting space, a substantial 36-inch depth, and a rugged open-frame profile, this rack is designed to support a broad range of equipment—from power distribution units and network switches to servers and conditioning units. It combines a compact footprint with an expansive interior, enabling installers to balance performance, airflow, and cable management while meeting rigorous seismic requirements. Whether you are assembling a new data closet or upgrading an existing infrastructure, the MRK Series stands out as a workhorse that installers trust to perform reliably under pressure.

• High-capacity 44U open-frame design: The MRK Series provides ample vertical mounting space for dense equipment arrays, enabling scalable growth in multi-bay configurations without sacrificing accessibility or airflow.
• 36-inch depth for versatile equipment accommodation: The generous depth accommodates full-height servers, deep power strips, UPS modules, and large network switches while preserving front-to-back cable routing and cooling paths.
• Rugged construction with seismic certification: Built to withstand demanding environments, the MRK rack features robust steel framing and is designed to meet seismic certification standards, delivering stability on installations with challenging floor dynamics.
• Open frame with removable panels for flexible access: The open-frame design, along with removable front and rear panels, provides unrestricted access for maintenance, upgrades, and quick reconfiguration—ideal for technicians who need fast, uncomplicated service.
• Ready for professional data-center style cable management: Integrated cable-management features, modular rail options, and compatible accessories streamline routing, organization, and airflow, helping to maintain optimal thermal performance and tidy installations.

Technical Details of Middle Atlantic MRK Series 44RU Open Frame Floor Standing Rack

• RU Capacity: 44U
• Depth: 36 inches
• Type: Open-frame floor-standing rack
• Mounting Standard: 19-inch EIA compatible rails
• Construction: Steel with durable powder-coated finish
• Doors / Panels: Removable front and rear panels for flexible access (configurable with options for doors, panels, or blanking panels)
• Seismic Certification: Yes, designed to meet relevant seismic performance requirements for installations in active seismic zones
• Footprint / Form Factor: Floor-standing, open-frame design optimized for multi-bay layouts
• Compatibility: Supports standard 19-inch equipment, with versatile rails and accessories for cable management and airflow optimization
• Finish: Powder-coated steel finish for durability and corrosion resistance

How to install Middle Atlantic MRK Series 44RU Open Frame Floor Standing Rack

• Prepare the installation area: Confirm the floor is level, clean, and capable of supporting the rack’s weight and equipment load. Ensure adequate clearance for front and rear access, ventilation, and cable routing.
• Unpack and inspect components: Verify that all rails, brackets, panels, and access panels are present and undamaged. Have your tools ready for quick assembly and mounting.
• Assemble the base and frame: Install any feet, leveling feet, or base components as provided by Middle Atlantic, ensuring the rack is stable and plumb. Use a spirit level to confirm alignment.
• Install rails and mounting hardware: Attach the 19-inch equipment rails to the frame at the appropriate heights for your devices. Use the correct rail type (fixed or variable) and ensure proper anchoring to support U-space density and equipment weight.
• Mount equipment and organize cables: Begin with larger modules (power distribution, UPS, and switches) to establish a stable backbone. Route power and data cables in separate channels where possible, securing with cable ties or Velcro straps. Leave slack for serviceability and future upgrades.
• Attach panels and finalize layout: Replace front and rear panels as needed, install blanking panels to improve airflow, and adjust doors if included in your configuration. Confirm all equipment remains secure and accessible for maintenance.
• Test and certify: Power up the enclosure, verify that all equipment is functioning, and confirm that cooling and airflow meet thermal design goals. If seismic components are involved, ensure certification documentation is available for compliance review.

Frequently asked questions

• Q: What makes the MRK Series suitable for large multi-bay installations?

  A: The MRK Series combines a high 44U capacity with a rugged open-frame design and 36-inch depth, enabling dense equipment layouts, flexible configurations, and straightforward cable management across multiple adjacent racks. Seismic certification adds an extra layer of reliability for installations that demand resilience in challenging environments.

• Q: Can I customize the panels and doors on the MRK rack?

  A: Yes. The MRK rack supports removable panels and configurable options for front and rear doors, as well as blanking panels and various mounting accessories to tailor airflow and access to your specific equipment set.

• Q: Is the MRK rack compatible with standard 19-inch equipment?

  A: Absolutely. The MRK’s rails are designed to accommodate standard 19-inch equipment, making it a versatile choice for servers, switches, PDUs, UPS devices, and other rack-mounted hardware.

• Q: Does the MRK series support seismic certifications?

  A: Yes. The MRK rack is engineered to meet seismic performance requirements, delivering stability and secure operation in regions where seismic considerations are essential for data-center or AV installations.

• Q: What kind of maintenance or upgrades are typical for the MRK rack?

  A: Routine maintenance includes cleaning ventilation paths, inspecting rails and mounting hardware for looseness, and reconfiguring cable routes as equipment changes. The open-frame design and removable panels simplify upgrades and reconfiguration without major disassembly.