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Black 44U open-frame server rack with four vertical posts and numbered U positions

APC

APC AR203A 44U NetShelter 4-Post Open Frame Server Rack

SKU CH-A8KY-SBC4B MPN AR203A

A 44U four-post open frame rack with 2000 lbs capacity, 19-inch width and numbered U positions for easy equipment alignment

  • Type4 Post Open Frame Rack
  • Rack Units44U
  • ColorBlack
  • Weight Capacity2000.0 lbs.
  • FeaturesNumbered U positions Reversible stabilization plates
  • Unit Dimension83.86" x 29.41" x 23.62"
  • 44U height fits full server stacks
  • 0 lbs capacity supports dense deployments
  • Open 4-post frame gives unobstructed airflow
  • Numbered U positions speed equipment alignment
  • Reversible stabilization plates adapt to floor layouts

44U Open Frame Server Rack

The APC NetShelter AR203A is a 44U four-post open frame rack designed for standard 19-inch equipment. It suits data centres, server rooms and network closets where high-density mounting and unrestricted airflow are priorities. Numbered U positions simplify equipment alignment during installation.

Replaces Wall-Mount or Smaller Floor Racks

Moving from a wall-mount bracket or a lower-height cabinet to this 44U frame adds substantial vertical capacity for servers, switches and telecom gear. The jump is worthwhile when you need to consolidate multiple devices into one footprint while keeping cable access open on all sides. The 2000 lb weight capacity supports heavy chassis without reinforcement.

Verify Floor Space and Load Path

Confirm the installation area accommodates the 83.86-inch height, 29.41-inch width and 23.62-inch depth with clearance for overhead cable trays and aisle access. Ensure the floor can bear the combined rack weight of 88.9 lb plus a fully populated load up to 2000 lb. Stabilisation plates are reversible but must be anchored to a suitable structural surface.

Highlights

  • 44U height fits full server stacks
  • 0 lbs capacity supports dense deployments
  • Open 4-post frame gives unobstructed airflow
  • Numbered U positions speed equipment alignment
  • Reversible stabilization plates adapt to floor layouts

Specifications

BrandAPC
ModelAR203A
Type4 Post Open Frame Rack
Rack Units44U
ColorBlack
Weight Capacity2000.0 lbs.
FeaturesNumbered U positions
Reversible stabilization plates
Unit Dimension83.86" x 29.41" x 23.62"
Unit Weight88.9 lbs.
Shipping weight46.27 kg
Package size2240 × 229 × 119 mm

Questions about this item

How much floor space does the 44U AR203A frame occupy?

The rack measures 83.86 inches tall, 29.41 inches wide and 23.62 inches deep, so plan for that footprint plus clearance for cable routing.

What is the critical step when bolting the four posts together?

Use the reversible stabilization plates at the base and torque all bolts evenly; skipping the plates or uneven torque causes the frame to rack out of square.

When should the numbered U-position labels be replaced?

Replace the labels if they become illegible after equipment changes; the printed numbers are not a wear item but can fade over years of handling.

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