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Tripp Lite > 
Item#: N82E16816228072

Tripp Lite SR12UB 12U Extra Depth Rack Enclosure Cabinet

  • Rack Enclosure
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Do you need a full-featured, state-of-the-art rackmount solution? Tripp Lite's SR12UB is the answer. This premium SmartRack™ Enclosure Cabinet is packed with features designed to simplify rack equipment installations and rack equipment maintenance: top and bottom cable routing ports, perforated door and side panels to promote efficient airflow, adjustable vertical mounting rails and more. And as part of the SmartRack family, the SR12UB is compatible with Tripp Lite's extensive range of rackmount accessories, enabling you to customize your solution to meet any requirement. The SR12UB ships fully assembled for quick installation and comes with a 5-year warranty.

SR12UB Feature Focus

Simple Equipment Installation

The SR12UB is compatible with all standard 19-inch rack equipment and is designed to simplify equipment installation. It features front and rear pairs of vertical rails with square mounting holes. The rails are adjustable in quarter-inch increments to accommodate equipment depths from 3 to 32.5 inches. Adjustment is quick and convenient—simply unscrew the rails, slide them to the desired depth and restore the screws. The rails feature square mounting holes and are capable of supporting up to 250 lb. of equipment with included installation hardware. Each rack space within the enclosure is numbered for easy reference.

Secure Equipment Access

The SR12UB is designed to provide a safe, secure installation solution for up to 250 lb. of mission-critical rackmount equipment. It features a locking, reversible front door and locking, removable side panels. This prevents unauthorized access to installed equipment while making it easy for authorized personnel to perform inspections, maintenance and equipment replacement. This SmartRack enclosure meets all enclosure requirements towards PCI DSS (Payment Card Industry Data Security Standard) compliance.

Vented Top and Bottom Panels with Cable Cutouts

The top and bottom panels of the SR12UB are furnished with vents designed to help remove warm air from the enclosure and draw in cool air by convection. They also support installation of standard user-supplied case fans. The top and bottom panels are also provided with ports for cable routing.

SR12UB Features
Included Caster Kit

Included Caster Kit

To simplify deployment, the SR12UB comes with an accessory caster kit consisting of four casters and all required installation hardware. With casters installed, the SR12UB can easily be maneuvered into to desired location, and then secured in place by adjusting the unit's levelers. Note: the casters are intended for minor position adjustments within the final installation area only and are not designed for moving the enclosure over long distances.

Technical Specifications

  • Rack spaces: 12
  • Load capacity: 250 lb.
  • Mounting depth: 3 to 32.5 in.
  • Mounting holes: Square (mounting hardware included)
  • Door: Lockable/reversible/perforated
  • Side panels: Lockable/removable/perforated
  • Top & bottom panels: Vented
  • Cable ports: Top and bottom panels (removable covers)
  • Height: 25 in.
  • Width: 23.63 in.
  • Depth: 33.5 in.
  • Weight: 105 lb.
  • Material of construction: Steel
  • Warranty: 5 years

What's in the Box

  • SR12UB Rack Enclosure
  • (36) M6 screws
  • (36) M6 washers
  • (36) M6 cage nuts
  • (2) keys
  • Owner's Manual
Tripp Lite
SmartRack™ Enclosures
Rack Space 12U 25U 42U 48U
Weight Capacity 250 lb. 3000 lb. 3000 lb. 3000 lb.
Meets PCI Standards Yes Yes Yes Yes
Warranty 5-year 5-year 5-year 5-year

Learn more about the Tripp Lite SR12UB


Tripp Lite


Rack Enclosure
Rack Units


Extended depth of 33" allow for standard server installation
Locking, reversible front door and locking, removable side panels
Fully assembled for quick installation

Manufacturer Warranty

5 years limited
5 years limited

Quick Info


  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years

Customer Reviews of the Tripp Lite SR12UB

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  • Bobby T.
  • 4/10/2012 7:40:42 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPerfect home mini server setup

Pros: 12u, plus 1. Very sturdy, heavy... won't budge unless you put it on wheels. 4 panels work fine, reversible doors... can't think of anything else.

Cons: Heavy... but unless you like that (like me) then it is a positive.

Other Thoughts: I purchased this for a home server test bed. Works exactly like it was advertised.

2 out of 2 people found this review helpful. Did you? Yes No

  • Bobby T.
  • 6/21/2011 8:33:42 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSolid

Pros: Solid construction. Came with everything. Very customizable. Comes with rolling wheels

Cons: The wheels probably need a little grease

Other Thoughts: Bought this for a closet build in my apartment. Was a little overkill as I've only used half of the rack space, but I plan on upgrading

2 out of 2 people found this review helpful. Did you? Yes No

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Computer Hardware > 
Servers & Workstations > 
Server Racks / Cabinets > 
Tripp Lite > 
Item#: N82E16816228072
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