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    Sysracks 42U 4-Post Open Frame Server Rack, Adjustable 24-Inch to 37-Inch Depth, for 19-Inch Equipment, Square Holes and Casters

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    • 42U
    • 42U 4-Post Open Frame Server Rack - Floor-standing rack for compatible 19-Inch IT, network, AV, VoIP and telecom equipment in IT rooms, network closets and infrastructure installations.
    • Adjustable 24-Inch to 37-Inch Depth - Supports servers, switches, routers, patch panels, UPS units and other rackmount hardware across a wider installation depth range.
    • Heavy-Duty Steel Frame - Open frame construction with square mounting holes supports standard cage nut installation and static load capacity up to 440-460 lbs depending on rack height.
    • Maximum Airflow and Access - Open frame design supports natural airflow circulation and easier cabling, patching, equipment changes and maintenance operations.
    • Deployment Hardware Included - Includes heavy-duty casters with brake option, 50-piece cage nut and bolt mounting hardware set, black finish and flat-pack assembly.
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    Overview
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    Reviews (5)
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    Any questions? Ask CelesteSM will help you find out quickly.

    Open-Frame Server Racks for IT & Network Equipment

    Open-Frame Server Racks for IT & Network Equipment

    Merchant Video

    Heavy-duty 19-inch open frame racks designed for servers, networking and AV equipment. Open architecture provides full access, efficient airflow and flexible cable routing for labs, data rooms and home setups.

    Sysracks Core Strengths

    Close-up view of a server rack frame corner

    Industrial-Grade Steel

    Thick steel frame and reinforced construction provide high rigidity and load stability for professional IT equipment

    Close-up of a perforated server rack panel.

    Whisper-Quiet Cooling

    Perforated panels and fan-ready airflow paths ensure efficient cooling while maintaining low noise levels

    ultra-clean macro product photography image

    Precision-Built Quality

    Laser-cut components and precise alignment deliver clean geometry, tight tolerances, and long-term durability

    Interior view of a server rack with neatly organized cabling

    Organized Cabling

    Multiple cable entry points and internal routing channels keep layouts clean, accessible, and airflow-friendly

    19” EIA-310 Compliant Rack Cabinet System

    OPEN FRAME TECH SPECS MATRIX

    Open frame rack system designed to the 19" EIA-310 standard.

    Adjustable depth range, configurable rail positions and rated load capacity support a wide range of rack-mount servers and IT hardware.

    • Open frame racks eliminate airflow restrictions and simplify access to equipment, making them suitable for environments with controlled access and centralized cooling.

    • The open structure allows direct front-to-rear airflow from server fans, reducing heat recirculation and minimizing reliance on cabinet-level ventilation.

    • Yes. Open frame racks support dense configurations when paired with proper room-level cooling and power planning, commonly used in labs, edge sites, and staging racks.

    • Open frame racks follow the 19" EIA-310 standard with consistent mounting hole spacing, ensuring compatibility with enterprise servers, network gear, and rail kits.

    • Open frame racks are preferred when security panels are unnecessary and priorities include airflow efficiency, rapid servicing, flexible cabling, and scalability.

    Open-Frame Server Racks for IT & Network Equipment

    Open-Frame Server Racks for IT & Network Equipment

    Merchant Video

    Heavy-duty 19-inch open frame racks designed for servers, networking and AV equipment. Open architecture provides full access, efficient airflow and flexible cable routing for labs, data rooms and home setups.

    Sysracks Core Strengths

    Close-up view of a server rack frame corner

    Industrial-Grade Steel

    Thick steel frame and reinforced construction provide high rigidity and load stability for professional IT equipment

    Close-up of a perforated server rack panel.

    Whisper-Quiet Cooling

    Perforated panels and fan-ready airflow paths ensure efficient cooling while maintaining low noise levels

    ultra-clean macro product photography image

    Precision-Built Quality

    Laser-cut components and precise alignment deliver clean geometry, tight tolerances, and long-term durability

    Interior view of a server rack with neatly organized cabling

    Organized Cabling

    Multiple cable entry points and internal routing channels keep layouts clean, accessible, and airflow-friendly

    19” EIA-310 Compliant Rack Cabinet System

    OPEN FRAME TECH SPECS MATRIX

    Open frame rack system designed to the 19" EIA-310 standard.

    Adjustable depth range, configurable rail positions and rated load capacity support a wide range of rack-mount servers and IT hardware.

    • Open frame racks eliminate airflow restrictions and simplify access to equipment, making them suitable for environments with controlled access and centralized cooling.

    • The open structure allows direct front-to-rear airflow from server fans, reducing heat recirculation and minimizing reliance on cabinet-level ventilation.

    • Yes. Open frame racks support dense configurations when paired with proper room-level cooling and power planning, commonly used in labs, edge sites, and staging racks.

    • Open frame racks follow the 19" EIA-310 standard with consistent mounting hole spacing, ensuring compatibility with enterprise servers, network gear, and rail kits.

    • Open frame racks are preferred when security panels are unnecessary and priorities include airflow efficiency, rapid servicing, flexible cabling, and scalability.

    42U 4 Post Open Frame Server Rack The 42U Floor Standing Server Racks is another simple solution for housing IT, Telecommunication and Network Equipment in professional Sysracks Server Rack line. This model would be a perfect fit for projects where secure access control and noise restrictions are not the main requirements. The 4-Post Open Frame design guaranties the effective cooling, easy and free access while installing or maintain active and passive equipment. The Air Flow Circulation is not limited by side panels, as in Closed Server Racks, which allows effectively remove heat from working areas of equipment generating a lot of heat.

    This function definitely increases the system performance. The capacity of accommodating equipment depths from 24 to 37 will play an important role while setting different type of Networking, A/V, VOIP, Server Equipment, routers, switches and other IT Equipment. The Rack comes with 4 heavy duty casters with brake option and a set of 50 pcs mounting hardware (cage bolts/nuts)
    Technical Characteristics:
    Height: 42U
    Depth: Adjustable from 28 to 36
    Width: 20.5"
    Weight: 45
    Lbs Color: Black
    Weight Capacity: Up to 440 lbs
    Benefits: Loading
    Capacity: Up to 440 LBS of rack mount equipment
    Adjustable Depth: From 28 to 36 42U Rack Mountable Height Square Mounting Holes Heavy duty casters with brake option 50 pcs mounting hardware (cage bolts/nuts)
    Shipping Info: Shipping within 24 hours with UPS Standard or FedEx Ground Service. The average transit time is 3-4 business days for U. S and Canada. Tracking number and shipping confirmation are provided once the order has been shipped out and available for tracking. Please contact us for any questions.
    Returns and exchanges: We accept 30-day return or exchange policy, according marketplace rules.
    About Us: Sysracks has been specializing in server rack and cabinet solutions. Our product has been tested and proven by hundreds of customers. We are flexible and opened to all propositions to satisfy our customers' needs. Best price, fast shipping, no unexpected surprises guarantee! Supplied non assembled in 1 flat package. Easy and simple mode of assembling, assembling guide is provided. Replacement parts available for all models.
    Available also: 6U, 9U, 12U, 18U, 22U, 27U, 42U different depths and models. Visit our store for more models and accessories.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

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    LOADING...

    The Sysracks 42U DOR is a steel, 4-post open-frame rack for standard 19-inch equipment, suited to IT teams and home-lab users who need full-height space for servers, networking, AV or telecom hardware with easy access for cabling and maintenance.

    Recommended For

    • Home-lab builders expanding to a full-height rack for a mix of rackmount servers and networking gear; the adjustable four-post depth supports different equipment depths, and the open frame keeps hardware accessible. ([sysracks.com](https://sysracks.com/product/42u-4-post-open-frame-19-network-server-rack/?utm_source=openai))
    • Network or telecom teams organizing switches, routers, and patch panels in a closet or equipment room, where easy cable access and open airflow matter more than enclosed protection. ([sysracks.com](https://sysracks.com/product/42u-4-post-open-frame-19-network-server-rack/?utm_source=openai))
    • IT or AV installers who regularly patch cables, swap equipment, or service rack-mounted systems and want unobstructed access from the front, rear, and sides. ([sysracks.com](https://sysracks.com/product/42u-4-post-open-frame-19-network-server-rack/?utm_source=openai))
    • Buyers who need to move an empty rack through a home or workplace before setup; community discussion notes that a flat-pack rack can be easier to transport than a fully assembled full-height rack. ([reddit.com](https://www.reddit.com/r/homelab/comments/1994og3?utm_source=openai))

    Real-World Use Scenarios

    • A homelab user consolidating rack servers, network switches, and NAS storage can keep the equipment in one organized location and leave room for future additions; confirm each device’s mounting depth and rail compatibility before installation.
    • A homeowner or small office organizing wired network connections can mount patch panels, switches, and related equipment together, making cable paths and ports easier to access during troubleshooting or changes.
    • An IT team setting up equipment in a secure network closet can use the open frame for servers and network or telecom hardware, with access to the front and rear that can simplify installation and maintenance. The open design does not provide enclosure-level airflow control or physical security.
    • A network installer or technician making frequent cable changes can reach equipment and connections without working around rack doors, helping with patching and service; the open sides also leave cables and equipment exposed to the room.
    • A home or office network build that includes a modem, router, switches, and patch panels can bring those connections into one serviceable rack, making it easier to trace links and manage changes as the network grows.