1U Adapter Brackets

100 % of 100
As low as $21.82
In stock

Adjusts server rack installation depth

  • Quick fix for racks that are too long or too short
  • Works with square, threaded and round hole racks in 4 post racks
  • 5 depth options available (.59” to 3.5” length)
  • 2 bends = C shaped uprights / 4 bends = ? shaped uprights
  • Brackets are sold as singles

Compatible with most 4Post racks

  • Works with square, threaded and round holes in 4 post racks
  • Compatible Dell, HP, and IBM equipment
  • 1UBRK-059 is NOT compatible with Dell Ready Rails
  • Weight capacity rated at 50 lbs per rack unit

Ex: 1U = 50 lbs, 2U = 100 lbs, 4U = 200 lbs, 6U = 300 lbs, etc.

Our adapter brackets are highly configurable tools that allow users to make mounting equipment of any depth work in almost any rack. Whether you are using Dell, HP, IBM, or any major manufacturer’s products, our adapter kits will be compatible.

Brackets can be combined to increase U height.

Extension for Shallow and Deep RailsExtension for Shallow and Deep Rails
More Information
Dell Part Number 1UBRK-059 - A6819796
1UBRK-350 - A3367237
For a full list of Dell SKUs setup in the Dell ordering system visit our Dell SKU page.
Finish Zinc plated
Tech Notes
  • 4Post racks: V 4 Post 19" rack (cabinet racks and open frame racks)
  • Rack width: V Standard 19" racks. Meets EIA-310 requirements. See the reducer brackets for 23" and 24" racks.
  • Square hole racks: Compatible with the industry standard 3/8" square hole racks. Rack manufacturers including Dell, HP-Compaq, IBM, APC, etc. Cage nuts are required for square hole mounting.
  • Round hole racks: Compatible with all standard round (non-threaded) holes. Rack manufacturers including HP and IBM.
  • Threaded racks: Compatible with all standard threads including 10-32, 12-24 and metric M6. Rack manufacturers including Chatsworth, Shark, Great Lakes, Middle Atlantic, Bud, etc.
Assembly Notes Phillips head screwdriver required
Requires screws that are 3/8 in length.
  • 1UBRK-059 is NOT compatible with Dell Ready Rails
  • RoHS Compliant Yes
    Hole Type EIA 3/8" square holes (9.5 mm), round holes, 12-24 threaded holes
    Rack Post Shape 1UBRK-059: C Shape
    1UBRK-200: ? Shape
    1UBRK-270: ? Shape
    1UBRK-290: C Shape
    1UBRK-350: ? Shape
    What are L, C, and ? rack upright shapes?
    Amazon ASIN 1UBRK-059 = B00UVKC1KG
    Bracket Dimensions
    • Part Number 1UBRK-059 1U tall x 0.59" deep. Round to square holes. 2 bends
    • Part Number 1UBRK-200 1U tall x 2.00" deep. Round to square holes. 4 bends
    • Part Number 1UBRK-270 1U tall x 2.70" deep. Round to square holes.
    TAA Compliant Yes
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