SKU: 90170482165

Middle Atlantic GRK Series Rack,52 RU, 42"D

$989.01 $1098.90
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Description

Middle Atlantic GRK Series Rack,52 RU, 42"DDiscover the GRK Series Rack from Middle Atlantica welded, gangable rack designed for high density cable installations and flexible lacing options. This 52U, 42 inch deep enclosure is engineered to maximize space efficiency without compromising accessibility, making it ideal for control rooms, broadcast facilities, data centers, and sophisticated AV setups. With a narrow multi bay footprint, the GRK Series delivers robust construction, precision

Discover the GRK Series Rack from Middle Atlantic—a welded, gangable rack designed for high-density cable installations and flexible lacing options. This 52U, 42-inch-deep enclosure is engineered to maximize space efficiency without compromising accessibility, making it ideal for control rooms, broadcast facilities, data centers, and sophisticated AV setups. With a narrow multi-bay footprint, the GRK Series delivers robust construction, precision engineering, and versatile cable management to support demanding environments where reliability and organization matter most.

  • Rugged welded steel construction built to endure daily use and long-term reliability in demanding environments.
  • Generous 52 rack units (RU) of vertical space with a 42" depth to accommodate a wide range of equipment, cables, and accessories.
  • Narrow, multi-bay design that can be configured into gangable sections for scalable installations in tight spaces.
  • Flexible cable management options, including horizontal or vertical lacing, to keep high-density video and data bundles neat and accessible.
  • Solid frame top and bottom for added rigidity and structural integrity, helping protect valuable gear and maintain alignment over time.

The GRK Series rack is purpose-built for environments where space is at a premium but performance cannot be compromised. Its welded construction ensures a robust frame that resists flex and deformation, which is crucial when mounting heavy equipment or storing long, densely packed cable bundles. The 52U capacity provides ample room for racks of servers, video processing gear, audio consoles, switch matrices, and a broad range of 19-inch rack-mount devices. At the same time, the 42" depth accommodates deep equipment profiles and longer cable runs, reducing bend radii and improving airflow management without crowding adjacent units. This combination of depth and height makes the GRK Series a practical solution for multi-bay installations where every inch counts.

One of the standout advantages of the GRK Series is its gangable design. When your installation calls for multiple bays, you can combine several GRK racks to create a customized, multi-bay configuration that fits your floor plan and cable routing needs. This flexibility is particularly valuable in broadcast and AV facilities where equipment layouts evolve over time. The ability to gang racks keeps the installation modular, scalable, and easier to expand as your needs grow, all while maintaining a consistent, clean, professional appearance.

Cable management is a central focus of the GRK Series. The rack is optimized for high-density video cable bundles, a common challenge in modern control rooms and data centers. Operators can choose horizontal or vertical lacing to suit the layout and workflow preferences, enabling tidy cable runs, simplified maintenance, and improved airflow. Proper cable management lowers the risk of signal interference, reduces wear on connectors, and makes routine maintenance tasks faster and safer.

In addition to its functional advantages, the GRK Series emphasizes durability and stability. The solid top and bottom rails contribute to a rigid chassis that resists sagging under load, a critical feature when mounting heavy analog, digital, or hybrid equipment. This stable foundation helps preserve rack alignment, protects mounted gear from incidental impacts, and supports long-term performance in environments where equipment is repeatedly installed, removed, or re-racked. The result is a dependable, professional-grade rack that maintains its integrity even in busy, high-demand spaces.

With its balanced combination of capacity, depth, robust construction, and flexible cable management, the Middle Atlantic GRK Series Rack is well-suited for a broad spectrum of applications. Whether you’re outfitting a compact control room, expanding a broadband distribution center, or designing a studio-grade AV installation, the GRK Series provides a reliable backbone for your equipment, cables, and future growth. Its scalable, modular approach aligns with best practices in modern rack design, emphasizing organization, ease of access, and serviceability—key factors that save time and reduce operating costs over the life of the installation.

Beyond raw specifications, the GRK Series is a smart long-term investment. Its welded, gangable frame supports customization and expansion without requiring a complete replacement as your system evolves. The combination of 52U capacity and 42" depth delivers practical versatility for a wide range of gear footprints, from compact servers to multi-row switch assemblies. In environments that demand both density and reliability, the GRK Series stands out as a dependable, future-ready solution.

Technical Details of Middle Atlantic GRK Series Rack, 52 RU, 42" D

  • Rack Units: 52 RU
  • Depth: 42 inches
  • Construction: Welded steel with solid top and bottom rails
  • Configuration: Narrow, multi-bay, gangable rack system
  • Cable Management: Optimized for high-density video bundles with horizontal or vertical lacing options

how to install Middle Atlantic GRK Series Rack, 52 RU, 42" D

  • Inspect the rack and contents upon delivery to verify no components are damaged and all hardware is present.
  • Choose a level, sturdy mounting location with adequate floor support for 52U of weight and airflow.
  • Assemble any required gangable bays in your planned configuration, ensuring alignment with standard 19-inch equipment footprints.
  • Position the rack frame in place and secure it to the floor or feet as appropriate, using the provided mounting hardware and following manufacturer guidelines for weight distribution.
  • Install equipment, route cables with your preferred horizontal or vertical lacing method, and verify that all devices are securely mounted and accessible for future maintenance.
  • Test system operation, check cable management paths for clearance, and adjust as needed to optimize airflow and ease of serviceability.

Frequently asked questions

  • What is the GRK Series best suited for? It is designed for high-density cable environments requiring a narrow, multi-bay, gangable rack with robust construction and flexible lacing options, making it ideal for broadcast, AV control rooms, and data-center-style installations.
  • Can multiple GRK racks be joined to create a larger installation? Yes. The GRK design supports gangable configurations, enabling scalable, modular growth without sacrificing alignment or stability.
  • What cable management options are available? The rack supports horizontal and vertical lacing to accommodate dense video and data bundles, promoting tidy cable runs and easier maintenance.
  • What depth is the GRK rack? The GRK Series is 42 inches deep, providing ample space for deep equipment and longer cable runs while maintaining accessible service and airflow.
  • Is the GRK rack compatible with standard 19-inch equipment? Yes. The design adheres to standard 19-inch rack dimensions to accommodate a wide range of rack-mount devices and accessories.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90170482165

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4.8 ★★★★★
Based on 25 reviews
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Product Reviews
A
Amazon Customer
Battle Creek, US
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well. Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely. One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs. The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers. Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster. Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality. Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
F
Fred
Dallas, US
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one. The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy. Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex. The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one. The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
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Reviewed in the United States on May 25, 2026
C
Computer
Grantham, US
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option. There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk. Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine. The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two). In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
T
Trendy Tales
Cuba, US
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
K
Katrina Rhodes
Carnegie, US
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles. Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need. The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup. Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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