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White Ergotron HX wall mount monitor arm with articulated joints and VESA plate

Ergotron

Ergotron 45-478-216 HX Wall Mount Monitor Arm White monitor accessory

SKU CH-V9JY-4H6NS MPN 45-478-216

Wall-mount arm holds displays up to 49 inches and 42 lb with 11.5 inch lift, -5 to 70° tilt, 360° pan, 180° base rotation and 75×75 to 200×200 mm VESA fit

  • TypeMonitor Arm
  • FeaturesSold as 1 Each.
  • Supports large displays up to 49 inches and 42 lb
  • 5 inch lift range for comfortable viewing height
  • Tilt adjusts from -5 to 70 degrees for ergonomic positioning
  • Full 360 degree pan and 180 degree base rotation
  • VESA patterns from 75 x 75 mm to 200 x 200 mm

Ergotron HX Wall Mount for Large Displays

The Ergotron HX Wall Mount Monitor Arm in white supports displays up to 49 inches and handles weights from 20 to 42 pounds. It is built for users who need to free desk space while positioning a heavy screen at a comfortable viewing height. The arm suits single-monitor workstations, trading desks or collaborative areas where a large panel must move smoothly.

VESA and Motion Limits

The mount accepts VESA patterns from 75 x 75 mm up to 200 x 200 mm, so it covers most common monitor and TV brackets. It provides 11.5 inches of vertical lift, tilt from -5 to 70 degrees, full 360-degree pan and 180 degrees of base rotation. These ranges define the practical positioning envelope; screens outside the weight or VESA limits cannot be mounted safely.

Installation Notes and Common Issues

The kit is sold as a single unit and includes hardware for standard wall studs. Installers must verify that the mounting surface can bear the combined load of arm and display. A frequent issue is discovering that the chosen wall lacks sufficient blocking or that the monitor’s VESA holes fall outside the supported 200 mm maximum, requiring an adapter plate not supplied with the arm.

Highlights

  • Supports large displays up to 49 inches and 42 lb
  • 5 inch lift range for comfortable viewing height
  • Tilt adjusts from -5 to 70 degrees for ergonomic positioning
  • Full 360 degree pan and 180 degree base rotation
  • VESA patterns from 75 x 75 mm to 200 x 200 mm

Specifications

BrandErgotron
Model45-478-216
TypeMonitor Arm
FeaturesSold as 1 Each.
Shipping weight6.35 kg
Package size635 × 239 × 188 mm

Questions about this item

Should I choose the white HX arm or another colour for a 49-inch display?

The white 45-478-216 model supports monitors up to 49 inches and 42 lb, so colour is the only difference if the weight and VESA pattern match.

What does the 11.5-inch lift mean when the arm is mounted on my wall?

It gives 11.5 inches of vertical travel, letting you raise the screen from seated to standing height without remounting.

How does the 75 x 75 to 200 x 200 mm VESA range limit which screens I can attach?

Any display with a VESA pattern between 75 mm and 200 mm square will fit; screens outside that hole spacing cannot be mounted.

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