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How to Install a Keyboard Tray

An under-desk keyboard tray slides your keyboard and mouse below the desk surface, lowering your arm position for better ergonomics. Here's what to check before buying and how to install one.

Clearance Check First

Before purchasing a keyboard tray, confirm you have enough vertical clearance between the underside of the tabletop and the top of your legs when seated. Most keyboard trays lower the typing surface by 3–5″. If your desk is already at the correct ergonomic height for your sitting position, adding a tray may bring the keyboard below a comfortable angle.

💡 Keyboard trays work best when: your desk is at or slightly above elbow height for your sitting position, and you want the keyboard a few inches lower for a more neutral wrist angle.

Not Compatible with Mini Ryzer

Keyboard trays require a minimum tabletop depth of approximately 28″ for the tray track to mount properly and the tray to extend outward without hanging off the front edge. Mini Ryzer tabletops (24″ deep) do not have sufficient depth for most standard keyboard tray systems.

Installation

1. Mark the track mounting position

Center the tray track on the tabletop width. Mark mounting holes 4–6″ in from the front edge to allow the tray to extend outward fully when in use.
 

2. Drill pilot holes and mount the track

Drill pilot holes slightly smaller than the provided screws. Drive screws into the underside of the tabletop. The track should sit flat against the underside with no gap.
 

3. Attach tray to track and adjust tilt

Slide the tray platform onto the track. Adjust the tilt angle (if your tray supports it) to a slight negative tilt — this keeps wrists in a neutral position.
 

4. Test at full height range

Move the desk through its full height range with the tray extended. Confirm the tray doesn't contact anything and all cable connections to your keyboard remain slack.