High Performance Open Frame Server Racks

Unrestricted Access: 2 and 4 post Open Frame Racks

The open frame server rack remains an indispensable asset for high-density networking, patching, and laboratory environments where accessibility and thermal transparency are paramount. As today’s infrastructure demands shift toward massive cabling volumes and high-velocity equipment refreshes, the structural limitations of generic, bolted-together data center open frame racks have become a point of failure. At Apparatus Manufacturing, we deliver the open frame concept by applying the same mission critical standards used in our enclosed cabinets. Without the barriers of doors or side panels, technicians can manage high-density interconnects with maximum efficiency. Through US-sourced, fully welded tubular steel, we provide 2-post and 4-post open frame solutions that eliminate the sway and instability common in light-duty alternatives. These open frame server racks are widely used in data center, telecom, and laboratory environments where airflow and accessibility take priority over enclosure.

Long Lasting

Our 19-inch and mini racks are fabricated from our US-facility. Whether it is a full-height 52U cabinet or a 12U wall-mount, the steel is engineered to support maximum loads without structural bowing.

Applications include

Edge computing nodes, telecom central offices, small data centers, broadcasting suites

Begin quote

Pristine Design

Our finishing process creates a professional, clean surface that resists scratching and maintains its aesthetic integrity in the most demanding data center environments.

Applications include

GPU-accelerated AI clusters, high-performance computing, multi-tenant colocation

Begin quote

Safety Focused

From smooth-finished edges that prevent cable snags to multi-point locking systems that meet SOC2 and HIPAA compliance, we build cabinets that protect both your people and your data.

Applications include

Government data centers, financial hubs, critical infrastructure, healthcare systems

Begin quote

Rack and Cabinet DESIGN

In open frame rack design, the primary challenge is maintaining vertical alignment and torsional stability without the support of side panels or doors. To solve this, Apparatus Manufacturing utilizes a fully welded tubular steel base and upright architecture. Most industry-standard open frames are shipped as knock-down kits held together by a handful of bolts; under the weight of heavy copper bundles or high-capacity switches, these joints inevitably loosen, leading to structural fatigue. Our welded design ensures that the rack behaves as a single, monolithic unit, providing a stable foundation that remains perfectly square regardless of load distribution. For our 4-post models, we offer adjustable depths and reinforced top-caps that serve as integrated mounting points for overhead cable runways and waterfall exits.

Unrestricted Access

Our fully welded open frame networking racks provide the accessibility of a standard rack with the structural rigidity of an armored cabinet, ensuring that frequent service access never compromises the alignment of your critical connections. 360-degree access to hardware make them the ideal choice for environments requiring frequent cabling changes or rapid equipment swaps. Without the barriers of doors or side panels, technicians can manage high-density interconnects with maximum efficiency.

Thermal Transparency

In networking environments where hardware generates significant heat but does not require contained airflow, open frames offer the ultimate passive cooling solution. By allowing ambient air to move unimpeded across the equipment, these open frame data center racksminimize the risk of localized heat pockets without the need for additional fan power.

Integrated Cable Management

High-density cabling is the primary cause of downtime in networking environments. Our open frame racks are designed with integrated mounting provisions for vertical cable managers, waterfall cable exits, and overhead tray attachment points. This superstructure approach allows you to build a clean, organized cable plant that facilitates airflow and simplifies troubleshooting. Whether you are running Cat6A or high-speed fiber, our frames provide the routing paths necessary to maintain proper bend radii and organization.

Work with our team to design the ideal open frame layout.

Schedule Apparatus Data Center Audit

additional resources

The Torsional Truth: A Silent Killer of High-Density Deployments

Many have seen a heavy load causes a bolt-together frame to slightly skew, leading to doors that won't latch and rails that bind. We compare tubular steel versus standard C-channels, explaining why a fully welded frame is the only way to ensure that a cabinet stays perfectly square under the crushing weight of modern enterprise storage.

Engineering for the Unprecedented Weight of the AI Revolution

With GPU-heavy nodes weighing significantly more than standard servers, the industry is reaching a breaking point for standard rack load ratings. This article explores the math behind dynamic vs. static loads and how our US-based custom fabrication allows for "over-built" solutions that accommodate the next generation of liquid-cooled, high-mass AI clusters.

How Precision Tolerance Cuts Deployment Time by 40%

This article is specially written for IT Professionals and Project Managers. It explores the soft costs of low-quality racks that lead to hours of wasted labor during hardware racking and stacking.

Leading Open Frame Infrastructure.

Apparatus Manufacturing delivers engineered open frame solutions built for the physical realities of modern, high-speed networking. Your infrastructure is only as strong as the frame that holds it. Therefore, by prioritizing fully welded tubular construction, precision tolerances, and domestic quality control, we provide a resilient, accessible path forward for your data center, telecom, or lab environment. Request a quote today to begin building an open frame solution engineered for the weight, speed, and complexity of the modern digital landscape.