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Pair of black 4U steel rack rails, 3.0 mm thick, 18 by 3.98 by 1.5 cm, with mounting screws

StarTech.com 4U Rack Rails 3.0 mm Steel 2 pcs

SKU CH-GWXJ-WE0JB

Pair of 4U rack rails made from 3.0 mm steel for mounting 19-inch equipment in wooden cabinets or on walls, includes mounting screws

  • Rack height42U
  • Spec summary4U, Alloy Steel, Rack Mount, 18 L x 3.98 W x 1.5 H centimete
  • Standards met4U
  • Product dimensions18 cm × 3.98 cm × 1.5 cm
  • Product weight0.22 kg
  • Packed dimensions3.2004 cm × 5.207 cm × 19.304 cm
  • Mount equipment securely with 3.0 mm cold-rolled steel rails
  • Install vertically or horizontally using triangle alignment marks
  • Support 19-inch servers, patch panels, routers and recording gear
  • Pair includes two rails and a pack of mounting screws
  • Finished in black powder coat for corrosion resistance

4U Steel Rack Rails for Wood Cabinets

This pair of 4U rack rails is built from 3.0 mm SPCC steel with black powder coating. They are designed for DIY mounting of 19-inch servers, patch panels, routers, PDUs and recording gear onto wooden cabinets or concrete walls. The rails suit home-studio and small-network builders who need sturdy, fixed-depth support without a full rack frame.

4U Capacity with 3.0 mm Steel Thickness

Each rail measures 18 cm long, 3.98 cm wide and 1.5 cm high, weighing 0.22 kg per piece. The 3.0 mm cold-rolled steel exceeds typical industry thickness, giving firm support for standard 4U equipment loads. Tapered holes simplify bolt alignment, but the rails carry no U-number markings, so installers must use the triangle separation marks or their own layout method for vertical or horizontal positioning.

Upgrade from Light-Duty or Improvised Brackets

These rails replace thin stamped brackets, wooden cleats or makeshift shelf supports that flex under heavy gear. The jump is worthwhile when equipment weight demands 3.0 mm steel rigidity and a permanent bolt-through mount. They are not suited for sliding-rail requirements, tool-less quick-release needs or installations that demand pre-marked U positions for rapid reconfiguration.

How it compares

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

Price $25.99
Cheaper than about 92% of the 2,764 comparable items (median $106.99).

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Specifications

Product
Brand nameStarTech.com
Product colorBlack
Size & build
Rack height42U
Main materialSteel
Product dimensions18 cm × 3.98 cm × 1.5 cm
Product weight0.22 kg
Packed dimensions3.2004 cm × 5.207 cm × 19.304 cm
Weight with packaging0.426 kg
Environment & compliance
Standards met4U

Questions about this item

Will these 4U rails align with the 42U rack unit spacing in my existing cabinet?

The rails follow the standard 4U industry spacing, so they match the 42U vertical pitch used in most cabinets and can be positioned at any 4U increment.

How can I verify the rails are mounted level after I bolt them to a wooden cabinet?

Use the triangle separation marks stamped on each rail as visual references; when the marks line up horizontally the pair is level.

Does the package include the screws needed to secure the rails to a wooden cabinet?

Yes, one pack of mounting screws is supplied with the two rails.

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