Choose a height-adjustable under-desk tray if your keyboard sits too high for comfortable correspondence writing. A limited-height drawer may be enough if your typing position already works and you mainly need desktop space for letters and paperwork. Either way, check that the keyboard and mouse fit, the mounting area is clear and the tray leaves room for your knees.
If you write emails, letters or forms for sustained periods, a tray may help bring a high keyboard closer to your seated elbow height. The Health and Safety Executive advises keeping the keyboard just below elbow height and the keyboard and screen central.
If paperwork competes with your keyboard and mouse for surface space, a drawer that stows beneath the desk may make room between typing tasks. Check that both devices remain practical to use when the tray is extended.
If you already use a sit-stand workstation, look for a tray specified for that frame. Ergotron, for example, makes a keyboard-tray accessory for named WorkFit-S workstations; that does not establish compatibility with other desks.
Start with the keyboard position you need while seated, then check equipment space and the unobstructed area beneath the desk.
| Concern | Buying checks | Who this matters to |
|---|---|---|
| Typing height and arm position | Check the model's height and tilt ranges against the keyboard position you need with your chair set for normal writing. | If I write for long stretches at a high desk, I need to bring the keyboard near elbow height rather than raise my chair to meet it. Around 44% of consumers would put typing position first. |
| Space for documents and the mouse | Measure your keyboard and mouse together; check the mouse position and how far the tray extends. | When letters and notes fill my desk, I want to clear surface space without putting the mouse awkwardly out of reach. Roughly 33% of consumers would prioritise that working space. |
| Mounting and leg clearance | Measure clear underside width and depth; check for drawers or crossbars and allow room for your knees when the tray is stored and extended. | With limited space beneath my desk, I need a mounting method that fits without obstructing my legs. Around 23% of consumers would make desk compatibility their primary concern. |
A platform can fit the keyboard yet leave too little usable space for the mouse, while its mounting rail may need more underside depth than the desk offers.
Measure the full equipment footprint and clear mounting area, then check the tray's stored and extended positions in the installation instructions.
A tray that sits too high or too low may not place the keyboard just below elbow height, as the Health and Safety Executive advises.
Set your chair for your normal writing posture before comparing the final keyboard height available from each tray.
A separate mouse surface may put the mouse farther away or at an awkward angle during editing and navigation.
Check which side the mouse platform uses, whether it can switch sides and how it sits when the keyboard is tilted.
The Health and Safety Executive's workstation checklist also covers the mouse, display, furniture and working environment. Changing the keyboard position alone does not address those other parts of the setup.
Review the complete workstation arrangement, particularly when equipment or the way it is used changes.
Configurable under-desk keyboard systems for fixed desks and compatible height-adjustable desks.
Under-desk keyboard drawers for writers chiefly seeking more surface space.
Keyboard-tray options that include accessories for specified workstations.
Not necessarily: a limited-height drawer may suit you if your keyboard is already at a usable height and you mainly need space for paperwork. If you need to change typing height or tilt, compare the exact model's adjustment range with your seated position.
The Health and Safety Executive advises placing the keyboard just below elbow height, with the keyboard and screen central so you do not twist. Set your chair for normal use before checking whether a tray can reach that position.
Check whether the mouse can stay fairly level when you adjust the keyboard angle. Humanscale's guidance advises keeping its mouse platform as flat as possible; confirm how the particular tray you are considering handles both surfaces.
Measure clear underside depth and width, then account for drawers, structural rails, cables and knee space. Compare those measurements with the model's mounting instructions, not just its tray-top dimensions; Ergotron specifies 28 cm of mounting depth and drilling for its compact tray.