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Pair of black steel 3U rack rails with adjustable depth and cable management panel

STARTECH

STARTECH UNIRAILS3U 3U 19" Adjustable Depth Server Rack Rails

SKU CH-72HE-31SWH MPN UNIRAILS3U

Adjustable-depth steel rails mount 19-inch servers in 3U racks, supporting 215 lbs from 16.5 to 41.5 inches deep

  • Rack height3U
  • Load capacity215 lb [97.3 kg]
  • Accessories included1 - Set Universal Rack Rails 16 - Assembling Nuts (16 pre-in
  • Product dimensionsExternal Width: 18.3 in [465 mm] External Height: 5.1 in [13
  • Product weight8.5 lb [3.9 kg]
  • Product typeRack Rails
  • Supports 19" servers with adjustable 420-1054mm depth
  • Holds up to 215 lbs on sturdy steel rails
  • Includes 16 cage nuts and 22 screws for installation
  • Removable rear panel simplifies cable management access
  • Fits standard 3U rack space at 130mm height

3U Adjustable Depth Rack Rails

These universal rack rails mount 19-inch servers or networking hardware in any standard rack. The 3U steel construction supports up to 215 lbs (97.3 kg) and fits mounting depths from 420 mm to 1054 mm. A removable rear cable management panel helps organise cables. The set includes rails, cage nuts, screws and a wrench for quick installation.

Who These Rails Suit

Installers fitting equipment between 16.5 in and 41.5 in deep will find the adjustable range covers most common chassis. Builders needing to secure gear outside that depth range or requiring tool-less sliding rails should consider other options. The fixed design does not extend for service access once mounted.

215 lbs Weight Capacity

The 97.3 kg load rating is the key figure that decides if these rails match your hardware. Verify the server or appliance weight before ordering; heavier units need rails rated above this limit.

How it compares

Measured against everything we stock in Rack Cabinets & Shelves, at today’s prices. Recalculated every night.

Price $97.99
Typical for this category: the median of 2,764 items is $106.99.

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Specifications

Product
Brand nameStarTech.com
Model nameUNIRAILS3U
Product typeRack Rails
Product colorBlack
Size & build
Rack height3U
Main materialSteel
Load capacity215 lb [97.3 kg]
Product dimensionsExternal Width: 18.3 in [465 mm]
External Height: 5.1 in [130 mm]
External Depth: 18.9 in [481 mm]
Maximum Mounting Depth: 41.5 in [1054 mm]
Minimum Mounting Depth: 16.5 in [420 mm]
Product weight8.5 lb [3.9 kg]
Shipping weight4.54 kg
Package size495 × 163 × 107 mm

Questions about this item

Will the 420 mm minimum depth fit my existing cabinet?

The rails adjust from 420 mm to 1054 mm, so they will fit any cabinet whose front-to-rear rail spacing falls inside that range.

Can I use the included M5 cage nuts with older rack posts that have round holes?

Yes, the 14 M5 cage nuts supplied are designed for standard square-hole posts, and the 14 M5 panel screws work with threaded round-hole posts.

How do I verify the rails are safely loaded after installation?

Confirm the equipment weight does not exceed 215 lbs, ensure all 16 pre-installed nuts and 22 screws are tight, and check that the rear cable management panel sits flush.

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