racks and cabinets for storing heavy servers and other large devices.

Four-Post Systems include the following benefits:

  • High-quality construction and design
  • Four vertical mounting rails for four-point attachment
  • EIA-310-D-Standard hole spacing
  • High static load rating, ranging from 800 lb to 2,500 lb
  • Large open base for cable entry and exit
  • RMU markings on most rails and channels for fast equipment mounting 

Cabinets � strength, security, stability and style

Cabinets include the following features:

  • Adjustable mounting rails to fit the depth of your equipment
  • RMU markings for fast mounting of patch panels, servers or other equipment
  • Up to 2,500 lb load rating
  • Internal space for cable management along both sides of the cabinet; some cabinets include vertical cable managers
  • Frame-only configurations or complete enclosures with locking doors and side panels
  • Vented or solid top panels with cable access ports
  • A choice of doors with solid metal, high-flow perforated metal, tinted plexiglass and vented plexiglass panels � or no doors � to suit your cooling needs and aesthetic preferences
  • A wide selection of cable, power and thermal management accessories to meet your exact needs

QuadraRackTM Frames  � the strength and stability of a freestanding cabinet in a cost-effective open architecture

  • Constructed of aluminum and/or steel
  • Open architecture for easy access to cable and unrestricted airflow
  • *Enhanced* RMU markings for fast equipment mounting
  • Up to 2,000 lb load rating
  • Ability to add any CPI vertical cabling section
  • Two styles of QuadraRack Frames to suit your application
    • QuadraRack 4-Post Frame � strong and sturdy equipment mounting (with #12-24 tapped rails); not intended for storing servers 
    • QuadraRack Server Frame � a cost-effective, heavy-duty server rack (with square-punched rails)

ExpandaRack Kits � converts a two-post rack into a four-post frame

  • An easy and economical way to transform any Universal or Standard two-post rack into a QuadraRack 4-Post Frame
  • Two #12-24 tapped rails and top and bottom pans included
  • Top and bottom pans available without rails to convert two existing two-post racks of the same height into one four-post rack