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Atlas Sound 221-18 19" Wide Stand-Alone Floor Rack Cabinet with Adjustable Rails, 18.5" Depth, 21RU

SKU: AS22118 MFR: 221-18
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Key Features

  • Optimize your home office with this 21RU rack enclosure, perfect for secure server storage.
  • Enjoy easy cable management with integrated knockouts, keeping your setup tidy and professional.
  • This durable rack cabinet features 16-gauge steel, ensuring long-lasting security for your equipment.
  • Adjustable rails accommodate various devices, making this rack mount ideal for diverse setups.
  • Maintain optimal cooling with open design, preventing overheating in your rack enclosures.
  • Get peace of mind with Atlas Sound's 5-year warranty, protecting your investment in this cabinet.
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Special Order?Estimated to Ship: 10/29/2025
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Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Atlas Sound Floor Rack Specifications

  • Rack Units

    21 RU

  • Material of Construction

    16-Gauge Cold-Rolled Steel

  • Dimensions (W x D x H)

    Outside: 22.3 x 18.5 x 41" (56.7 x 47 x 104cm)

  • UPC Code

    612079184439

About Atlas Sound Floor Rack

Oversee your electronic equipment storage with the robust AtlasIED 221-18 Stand-Alone Floor Rack Cabinet, meticulously designed for both functionality and durability. This cabinet, measuring 22 5/16" in width and 18 1/2" in depth, offers a substantial 21RU vertical panel space to accommodate a variety of IT hardware.

Crafted from resilient 16-gauge cold-rolled steel (CRS), the 221-18 cabinet is engineered to support heavy loads, ensuring reliable performance over time. It features a comprehensive structure that includes a sturdy base, a top panel, side panels, and a set of 11-gauge CRS adjustable mounting rails, which provide the flexibility to customize equipment organization to your specific needs.

The cabinet's design incorporates several installer-friendly features, such as an expanded 6RU opening at both the top and bottom for seamless wire access and optional ventilation. These openings can be easily modified with standard vent or solid panels, depending on your requirements.

Security and convenience are paramount with the inclusion of a removable rear door, equipped with a cylinder lock and a sleek flush door pull handle. The rear door is attached with quick-release spring hinges, facilitating a 180-degree rotation for right or left-hand opening, enhancing ease of access.

Precision is key in the design of the rack rails, which are precision tapped with a 10-32 thread and recessed by 11/16" (17.5mm) to ensure secure mounting. These plated rails are marked with RU indicator hash marks, aiding in the precise alignment of your equipment. The standard E.I.A. 5/8"-5/8"-1/2" spacing is maintained for compatibility with a wide range of equipment.

The cabinet's thoughtful design extends to its conduit arrays, strategically placed on the top and bottom surface panels, as well as the top and bottom back flanges. These arrays include a combination of five knockouts, offering versatility for cable management.

Ventilation is not overlooked, with stamped, perforated vents located on all sides, including the rear door, to promote maximum air convection and keep equipment cool.

Finally, the cabinet's surfaces are phosphate pre-treated to ensure optimal paint adhesion, finished with a textured black epoxy that not only adds to the cabinet's sleek appearance but also enhances its durability.

The AtlasIED 221-18 Floor Rack Cabinet is a high-quality, functional, and sturdy solution for safeguarding and organizing your valuable electronic equipment with ease and reliability.

Atlas Sound Floor Rack Features

  • Adjustable Rack Rails
  • The Best Value in the Industry

Warranty Information

This product has a limited warranty of 60 months for parts and 12 months for labor.

Key Features

  • Optimize your home office with this 21RU rack enclosure, perfect for secure server storage.
  • Enjoy easy cable management with integrated knockouts, keeping your setup tidy and professional.
  • This durable rack cabinet features 16-gauge steel, ensuring long-lasting security for your equipment.
  • Adjustable rails accommodate various devices, making this rack mount ideal for diverse setups.
  • Maintain optimal cooling with open design, preventing overheating in your rack enclosures.
  • Get peace of mind with Atlas Sound's 5-year warranty, protecting your investment in this cabinet.

What's in the box:

  • Base + Top Panel + Side Panels + Rear Door (Fully Assembled)
  • 2x Fully Adjustable Rack Rails
  • Rear Door
  • 18x Conduit Knockouts
  • 3-RU Functional Blank Panel
  • Atlas Sound 5 Year Limited Warranty