Adjustable Server Rack Shelf 550 lb Capacity 4-Post Rack Shelf ADS Series

Heavy-duty adjustable-depth server rack shelf designed to support high-weight equipment in standard 4-post racks.

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Key Features and Benefits

  • 14-gauge steel construction supports up to 550 lb (250 kg) when used with the optional ADSB Support Bar, providing exceptional support for heavy servers, UPS systems, storage arrays, and non-rackmount equipment. Without the ADSB Support Bar, shelves support up to 330 lb (150 kg). 
  • Telescoping design adjusts to fit the full rack depth, accommodating a wide range of cabinet sizes without additional hardware.
  • Available in solid or vented models to support either maximum equipment support or improved airflow.
  • Can be installed in the standard tray-down orientation or inverted, providing additional flexibility for equipment height, airflow, and cable clearance.
  • Ships fully assembled for faster installation and reduced assembly time.
  • Mounts directly to standard 4-post EIA-compliant racks and cabinets.
  • Optional ADSB Heavy Duty Support Bar increases shelf capacity and provides additional stability for dynamic or segmented loads, including battery systems.
  • Manufactured in North America, ensuring consistent quality, materials, and production standards.
  • TAA-compliant, manufactured in North America within an ISO 9001 certified facility.
  • Black powder coat finish (GREENGUARD, TSCA, RoHS compliant) supports environmental and durability requirements.

The ADS Series adjustable server rack shelves provide exceptional load capacity and installation flexibility for supporting heavy rack-mounted and non-rackmount equipment in standard 4-post racks. The telescoping design adjusts to fit a wide range of cabinet depths while maintaining a compact 1U profile.

Available in solid and vented versions, the ADS Series supports loads up to 550 lb when paired with the optional ADSB Support Bar, making it an ideal solution for servers, storage arrays, UPS systems, battery applications, and other heavy equipment. Manufactured in North America, the ADS Series delivers dependable performance for enterprise IT, telecommunications, industrial automation, and edge computing environments.

When Another Product May Be a Better Choice
  • When you need a 1U adjustable support solution without a full shelf, consider our RAAB Series Adjustable Rack Mount Angle Brackets.

Gallery

  • ADSV2536BK  
  • ADSV3642BK  
  • ADSU1825BK  
  • ADSU2536BK  
  • ADSU3642BK  
  • ADSB  

Accessories

Gallery Image

Part Details

Click Part No, below, for details (e.g., Product drawings, assembly instructions, ship weight)

Units shown: inch. Switch units to: mm

Part No. Part No. Overall Dimensions Adjustable Depth Range Rack Weight Load Optional Heavy Duty
Solid Vented Height Width Min Max Units Capacity Support Bar
ADSU1825BK ADSV1825BK 1.72 19.00 18.00 25.00 1U 350 lbs (158 kg) ADSB
ADSU2536BK ADSV2536BK 1.72 19.00 25.00 36.00 1U 350 lbs (158 kg) ADSB
ADSU3642BK ADSV3642BK 1.72 19.00 36.00 42.00 1U 275 lbs (125 kg) ADSB
Where the ADS Series Works Best
  • Enterprise data centers.
  • Network and telecommunications rooms.
  • Industrial automation systems.
  • Edge computing installations.
  • Audio/visual equipment racks.
  • Laboratory and test equipment installations.
Best Applications for the ADS Series
  • Supporting heavy servers and storage arrays.
  • Mounting UPS systems and battery equipment.
  • Installing non-rackmount equipment in 4-post racks.
  • Accommodating equipment in varying cabinet depths.
  • Providing high-capacity shelf support in enterprise and industrial environments.

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Data subject to change without notice.

Tags: adjustable rack shelf, adjustable server rack shelf, heavy duty rack shelf, 4 post rack shelf, telescoping rack shelf, vented rack shelf, server equipment shelf, 550 lb rack shelf