Keyboard trays directly change the position of your elbows and wrists, so installation method and height are more important than appearance.
Clamp-on models: Quick to install, but requires suitable desk edges
Suitable for those who don't want to drill holes; check the clamp range for rounded edges, slanted edges, drawers, or overly thick tabletops.
Sliding rail models: Tidy storage
Leaves the desktop tidier when pushed under the desk, but requires careful consideration of rail length, under-desk depth, and knee clearance.
Swivel models: Convenient side movement
Suitable for workflows that require clearing the space directly in front, but ensure the swivel radius does not hit desk legs or armrests.
Height-adjustable models: First measure the difference in sitting posture
If your desk is high, an adjustable tray is more valuable; still ensure the lowest position does not put pressure on your thighs.
- Desk thickness
- Effective tray width
- Under-desk clearance
After installation, your shoulders should be naturally relaxed, and your elbows close to your body; if you need to reach forward, adjust the chair and tray position.