1U Adapter Brackets
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 Rack
For shallow depth racks, our brackets can be used for rails that extend out past the uprights.


Extension for Deep Racks
If the rails that were supplied with your server are to shallow, the 1U adapter bracket allows the extra space needed to mount the rails.


What's the mounting depth?
First, measure the mounting depth of your server rack, to determine the size of bracket that you will need.


Bracket Installation
Install brackets (hardware not included) in the space where the rack needs to be extended or reduced.
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. |
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Finish | Zinc plated |
Tech Notes |
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Assembly Notes | Phillips head screwdriver required
Requires screws that are 3/8 in length.
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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 |
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TAA Compliant | Yes |