If you work on a laptop plus an external monitor, your desk is currently hosting the worst possible arrangement: a screen at eye level next to a screen at chest level, with the laptop claiming 10 inches of the surface you do not have. A monitor arm with a laptop tray fixes both problems at once — the laptop goes up beside the monitor, and the desk underneath becomes usable again.
There are two shapes of product here and they are not interchangeable. A combination arm holds a VESA monitor on one arm and the laptop on a tray on another, so one clamp does everything. A tray-only accessorybolts to the VESA plate of an arm you already own, which is far cheaper if you have a spare arm but useless if you do not. Check which you are buying — the listings are easy to confuse.
Our pick is the HUANUO monitor arm with laptop tray: a 13–32 inch monitor up to 22 lb on one side, a ventilated 14 × 12-inch tray on the other, and a clamp that fits desks from 0.39 to 3.07 inches. If you want a laptop plus two screens, the VIVO STAND-V013Ldoes all three. Every tray dimension below is the manufacturer’s published figure.
Measure your laptop, not its screen size
Trays are specified by physical widthand sometimes by clip range, and a “15.6-inch laptop” can be 14 inches wide or 14.5 depending on the bezel. The numbers to compare are the tray dimensions (14 × 12 in on the HUANUO, 14 × 11 on the WALI) and the clip range where one is given (9.5–16.5 in on the Mount-It). Also check the weight: the VIVO tray is rated to 9.9 lb, which covers most 15-inch laptops but not a heavy 17-inch workstation.
The height that makes this worth doing
The point of lifting the laptop is to stop looking down at it. Aim to get the top of the laptop screen roughly level with the top of your monitor, with both about an arm’s length away. That usually means the tray sits noticeably higher than the desk — 6 to 10 inches — and it means you type on an external keyboard, because the laptop keyboard is now out of reach. Budget for that keyboard if you do not already have one; a mounted laptop with no separate keyboard is an ergonomics downgrade, not an upgrade.
Heat, and why every good tray has holes
Laptops vent downward and sideways, and a solid tray traps that air against the chassis. Every pick here uses a ventilated tray for that reason, and the WALI positions its venting over the fan exhaust specifically. If you are choosing between two otherwise similar trays, take the one with more open area — a laptop running warm throttles, and a throttled laptop is a slower laptop.
What this does for a small desk
A 14-inch laptop occupies roughly 1 sq ftof desk, right in the prime typing zone. Lift it and that comes back. Combine it with the monitor already being on an arm and a 40-inch desk suddenly has room for a full-size keyboard, a mousepad and a notebook — which is the entire argument of this site in one purchase. If your desk is shallow, check the clamp requirements first in our compatibility guide, and if you also want the keyboard out of the way when you are done, an under-desk keyboard tray is the natural next step.