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Black rectangular desk riser with gas-spring lift, keyboard tray, steel X-frame, PVC and MDF surfaces

Lorell

Lorell 99555 monitor riser 35.4" W 37.40 lb capacity

SKU CH-R6Z7-M74VG MPN 99555

A desk riser that lifts a monitor and keyboard tray from 5 to 19.6 inches with a gas spring, supporting 37.40 lb total

  • Product typeMonitor Arm
  • Gas-spring lift enables smooth height changes from 5-1/8" to 19-1/4
  • Keyboard tray tilts -5 to +15 degrees with 20mm height adjustment
  • 33 lb desktop capacity plus 4.4 lb tray capacity supports full setup
  • Sturdy X-type steel frame ensures stable sit-stand operation
  • 4" wide PVC and MDF worksurface fits large monitors comfortably

Sit-stand desk riser

The Lorell 99555 monitor riser converts a fixed desk into a height-adjustable workstation. A gas-spring mechanism lifts the worksurface smoothly between 5-1/8" and 19-1/4". The steel X-frame supports the structure while the worksurface and keyboard tray use MDF with a PVC finish.

Users needing single-surface height adjustment

This riser suits anyone who wants to alternate between sitting and standing at an existing desk. It is not for buyers who need a monitor arm that clamps or grommet-mounts, nor for setups requiring a worksurface load above 33 lb or a keyboard tray load above 4.4 lb.

37.40 lb total load capacity

The complete unit is rated for 37.40 lb, split between a 33 lb desktop limit and a 4.4 lb keyboard tray limit. Exceeding either figure risks instability, so the right part depends on the combined weight of monitors and accessories you plan to place on it.

How it compares

Measured against everything we stock in Stand Legs & Mounting Hardware, at today’s prices. Recalculated every night.

Price $180.99
Pricier than about 61% of the 957 comparable items (median $95.99).

Specifications

Product
Product typeMonitor Arm
Size & build
Shipping weight22.68 kg
Package size1020 × 620 × 195 mm

Questions about this item

What desk depth do I need so the 19.3" deep riser and the 23-1/4" keyboard tray both fit?

The riser itself is 19.3" deep and the keyboard tray extends 23-1/4" forward, so your desk must be at least 23-1/4" deep to accommodate the tray when it is pulled out.

Will my existing 33 lb monitor and 4 lb keyboard exceed the 37.40 lb total capacity?

The desktop shelf is rated for 33 lb and the keyboard tray for 4.4 lb, giving a combined limit of 37.4 lb; your 33 lb monitor plus 4 lb keyboard stays within that total.

How can I confirm the gas-spring lift is operating correctly after assembly?

Raise and lower the worksurface through the full 5-1/8" to 19-1/4" range; it should move smoothly without sticking, hold any height you stop at, and the keyboard tray should tilt between negative 5 and positive 15 degrees with its 20mm height adjustment functioning.

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