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Universal Four Post Rack Kit 2-Post to 4-Post Rack Conversion FPRK Series
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Universal Four Post Rack Kit 2-Post to 4-Post Rack Conversion · FPRK Series

Brand: Hammond Manufacturing · 2 part numbers

Convert two compatible 2-post racks into a fully adjustable 4-post rack while maintaining industry certifications.

  • ■16-gauge steel construction converts two compatible 2-post racks into a rigid 4-post rack frame, providing additional support for deeper and heavier rack-mounted equipment.
  • ■Universal design fits any EIA-310-E compliant rack with mounting rails on both sides, allowing compatibility with Hammond and most third-party rack manufacturers.
  • ■Available in two adjustable depth ranges, 22 to 34 inches and 26 to 42 inches, to accommodate a wide variety of equipment depths and installation requirements.
  • ■Compatible with 10-32 threaded, 12-24 threaded, and square-hole rack rails, simplifying integration into mixed rack environments.
  • ■Includes four support angles, two sets of mounting brackets, and all required installation hardware for quick installation and consistent rack spacing.
  • ■Simple bolt-on installation upgrades existing rack infrastructure without replacing installed racks, reducing project costs and deployment time.

from $207.68

2 of 2 part numbers priced · in stock · ships by ground · volume pricing on request

Configure & price

Find your FPRK Series part number

Filter 2 part numbers by the specifications Hammond publishes for each one, pick the part, and buy it now. Every value comes straight from the manufacturer's part data.

2 of 2 part numbers · 2 priced online

Dimension tables (inches / mm)

Units shown: inch . Switch units to: mm

Part No.Overall Dimensions · HeightRB-2P / RB-2PA / DNRRHDW · Min DepthRB-2P / RB-2PA / DNRRHDW · Max DepthInstalled on DRZ4 · Min DepthInstalled on DRZ4 · Max DepthPriceOrder
FPRK2234BK3.5028.0040.0034.0046.00$207.68In stockBuy now
FPRK2642BK3.5029.0045.0038.0054.00$259.60In stockBuy now

Key Features and Benefits

The FPRK Series Universal Four Post Rack Kit provides a cost-effective way to convert two compatible 2-post racks into a stable, adjustable-depth 4-post rack without replacing existing infrastructure. Designed to work with Hammond and most industry-standard EIA-310-E compliant racks, the kit supports a wide range of equipment while preserving valuable floor space and reducing installation costs.

Available in two adjustable depth ranges, the FPRK Series is compatible with threaded and square-hole rack rails and maintains UL, Telcordia GR-63-CORE, and seismic standards when installed on compatible Hammond racks. Manufactured in North America, it offers a practical upgrade path for expanding rack capabilities while protecting existing investments.

  • ■16-gauge steel construction converts two compatible 2-post racks into a rigid 4-post rack frame, providing additional support for deeper and heavier rack-mounted equipment.
  • ■Universal design fits any EIA-310-E compliant rack with mounting rails on both sides, allowing compatibility with Hammond and most third-party rack manufacturers.
  • ■Available in two adjustable depth ranges, 22 to 34 inches and 26 to 42 inches, to accommodate a wide variety of equipment depths and installation requirements.
  • ■Compatible with 10-32 threaded, 12-24 threaded, and square-hole rack rails, simplifying integration into mixed rack environments.
  • ■Includes four support angles, two sets of mounting brackets, and all required installation hardware for quick installation and consistent rack spacing.
  • ■Simple bolt-on installation upgrades existing rack infrastructure without replacing installed racks, reducing project costs and deployment time.
  • ■Maintains UL, Telcordia GR-63-CORE, and seismic compliance when installed with compatible Hammond racks, helping preserve rack certifications.
  • ■Manufactured in North America, ensuring consistent quality, materials, and production standards.
  • ■TAA-compliant, manufactured in North America within an ISO 9001 certified facility.
  • ■Black powder coat finish (GREENGUARD Gold Certified, TSCA, and RoHS compliant) provides a durable, environmentally responsible finish.

Documents

Additional information

Where the FPRK Series Works Best

  • ■Data centers and server rooms.
  • ■Telecommunications facilities.
  • ■Industrial automation systems.
  • ■Network closets.
  • ■Retrofit and rack expansion projects.
  • ■Applications requiring 4-post equipment support without replacing existing racks.
  • ■Converting existing 2-post racks into 4-post rack systems.
  • ■Supporting deeper servers, UPS systems, and network equipment.
  • ■Upgrading rack infrastructure while minimizing project costs.
  • ■Standardizing mixed rack environments.
  • ■Expanding rack capacity while maintaining existing certifications.

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