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Pair of silver metal sliding rails for 1U server mounting

Innovation First, Inc.

Innovation First 122-2579 1U Cobra 110-A Dry Slide Rail server rack

SKU CH-Y5SN-RH90D MPN 122-2579

1U dry slide rail kit for 11th-14th Gen Dell PowerEdge servers, fits 19" EIA-310 racks with 20-32" depth on 4-post or 3-6" on 2-post and works with square, round or threaded holes

  • Spec summaryFits any 4Post rack Square, round, threaded holes. Mounting
  • Product typeRack Rails
  • Key featuresThe Dell PowerEdge R320, R420, R430, R620, R630, NX300, NX40
  • Compatible with 11th-14th Gen Dell PowerEdge servers including R320, R420, R620
  • Dry slide mechanism lasts longer than ball-bearing rail kits
  • Fits 19" EIA-310 racks with square, round, or threaded holes
  • Adjustable mounting depth 20-32" for 4 Post and 3-6" for 2 Post
  • Slides fully extend for in-rack servicing without Dell ReadyRails

1U Cobra 110-A Dry Slide Rail for Dell 11th-14th Gen

The Innovation First 122-2579 is a 1U dry slide rail kit designed for Dell PowerEdge servers from the 11th to the 14th generation. It fits models such as the R320, R410, R420, R620, R630, R230, R330, NX300 and NX400. The kit works with standard 19 inch EIA-310 racks and accepts square, round or threaded holes.

Replaces Dell ReadyRails without OEM kit

This rail kit serves as a direct replacement for Dell ReadyRails, removing the need for the OEM rail kit. The dry slide mechanism is built for longer life than traditional ball-bearing rails. The upgrade is worth it when a rack uses mixed upright shapes such as L, C or Z profiles, or when a single rail must cover both 2 post and 4 post mounting.

Depth limits and hole pattern constraints

Mounting depth ranges from 3 to 30 inches (76.2 to 762 mm) on 4 post racks and 3 to 6 inches on 2 post racks. The rails extend fully for in-rack servicing. Compatibility is limited to the listed Dell 1U servers and standard EIA-310 hole patterns; other server brands or non-standard rack profiles are not supported.

How it compares

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

Price $103.99
Typical for this category: the median of 2,764 items is $106.99.

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Specifications

Product
Brand nameInnovation
Model name122-2579
Product typeRack Rails
Size & build
Shipping weight2.27 kg
Package size838 × 127 × 76 mm

Questions about this item

What rack hole types and upright shapes does the 1U Cobra 110-A rail fit?

It fits square, round and threaded holes in standard 19" EIA-310 racks and supports L, C, Z and standard upright shapes.

How do I set the mounting depth correctly for a 4-post rack, and what step is often missed?

Adjust the rail length to 20-32" for 4-post racks and ensure both inner and outer rail sections are locked at the same depth before tightening.

Which parts of the dry slide mechanism wear out and when should I replace them?

The dry slide surfaces and locking tabs are the wear items; inspect them during each server removal and replace the rail if sliding becomes rough or locking fails.

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