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Black aluminium monitor arm with cantilever design and cable management

Ergotron

Ergotron 45-385-223 Neo-Flex Cantilever VHD monitor arm

SKU CH-5DBB-9004B MPN 45-385-223

Heavy-duty cantilever arm supports 37 to 63 inch displays up to 80 lb with tilt, pan, leveling and cable management

  • TypeMonitor Arm
  • SpecificationsMinimum Screen Size Supported: 37" Maximum Screen Size Suppo
  • FeaturesTilt Pan Durable Lockable Cantilever Lightweight Heavy Duty
  • Weight10.4
  • Supports large displays from 37" up to 63
  • Handles heavy monitors up to 80 lb load capacity
  • VESA 200 x 200 and 600 x 400 mounting compatibility
  • Cantilever design with tilt, pan and depth adjustment
  • Integrated cable management keeps wiring tidy

Neo-Flex Cantilever VHD monitor arm

The Ergotron 45-385-223 Neo-Flex Cantilever VHD is a heavy-duty monitor arm designed for screens from 37 to 63 inches. It supports a maximum load of 80 lb and mounts via VESA 200 x 200 or 600 x 400 patterns. The aluminium construction includes tilt, pan and a leveling system for precise alignment.

Thermals noise and power

As a passive mechanical mount the arm generates no heat, noise or electrical draw. Its cantilever design holds the display at a fixed 3.2 inch depth while the adjustable depth feature allows fine positioning. Cable management channels keep routing tidy without any active components.

Upgrade path and fit

This arm replaces fixed stands or lighter mounts that cannot handle displays up to 63 inches or 80 lb. The jump is worth it when you need lockable positioning, a leveling system and durable aluminium build for large LCD or plasma monitors. It is not suited for screens smaller than 37 inches or installations requiring motorised movement.

Highlights

  • Supports large displays from 37" up to 63
  • Handles heavy monitors up to 80 lb load capacity
  • VESA 200 x 200 and 600 x 400 mounting compatibility
  • Cantilever design with tilt, pan and depth adjustment
  • Integrated cable management keeps wiring tidy

Specifications

BrandErgotron
Model45-385-223
TypeMonitor Arm
SpecificationsMinimum Screen Size Supported: 37"
Maximum Screen Size Supported: 63"
FeaturesTilt
Pan
Durable
Lockable
Cantilever
Lightweight
Heavy Duty
Leveling System
Adjustable Depth
Cable Management
Weight10.4
Shipping weight4.67 kg
Package size363 × 315 × 135 mm

Questions about this item

How do I attach the Ergotron 45-385-223 to a wall stud, and what step is often missed?

Secure the mounting bracket to a structural wall stud using appropriate lag bolts, then hang the arm onto the bracket. The step often missed is verifying the bracket is perfectly level before final tightening, which the built-in leveling system helps confirm.

What maintenance will the gas-spring mechanism need over time?

The gas spring is sealed and requires no routine maintenance. Periodically check that all pivot bolts remain snug and that the cable management clips still hold cables clear of the full 3.2-inch depth adjustment range.

At what point does the 80 lb load limit become the restricting factor?

The 80 lb maximum load capacity is the first hard limit reached; the arm supports screens from 37 to 63 inches, but any display exceeding 80 lb cannot be mounted regardless of its VESA 200 x 200 or 600 x 400 pattern.

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