Choosing a computer monitor stand means matching its VESA pattern, weight rating, and desk attachment to your specific monitor.
Buying a monitor stand without checking compatibility is how a new arm ends up back in its box. The most common desktop-monitor VESA patterns are 75 x 75 mm and 100 x 100 mm, but weight, screen size, and how the stand attaches to your desk all matter just as much. The good news: the process takes about ten minutes with a tape measure and your monitor’s spec sheet.
What Does VESA Compatibility Actually Mean?
VESA defines the four-hole attachment interface on the back of displays, plus the screws that fit those holes. When a stand says it supports VESA 100 x 100 mm, it means the four mounting holes on the back of your monitor line up with the four holes on the arm’s bracket plate.
Ergotron, which builds monitor arms, explains that the VESA mount standard defines the dimensions of that four-hole interface. Check your monitor’s manual or manufacturer support page for the exact pattern rather than trusting a marketplace listing alone — those are frequently wrong.
Four Checks Before You Buy
Every stand you’re considering must pass all four of these checks, not just one or two.
1. The VESA pattern. Flip your monitor around and look at the back panel. If you see four holes arranged in a square, measure from the center of one hole to the center of the opposite hole, in millimeters. A roughly 75 mm spacing means 75 x 75 mm; a 100 mm spacing means 100 x 100 mm. If there are no holes at all, the monitor won’t bolt directly to a standard VESA stand — you’ll need an adapter kit or a non-VESA riser shelf instead.
2. Monitor weight without its original stand. The weight printed on your monitor’s box usually includes the factory stand. Weigh the panel alone and compare it to the arm’s rated capacity, keeping a few pounds of margin. BenQ’s Single Ergo Arm supports 4–44 lbs, while ARCTIC’s X1 tops out at 22 lbs — a heavy 32-inch gaming display could pass the VESA check and still overwhelm a lighter-rated arm.
3. Screen size and panel shape. Some arms list different limits for flat and curved monitors on the same model. Confirm your monitor’s size falls within the listed range too; the BenQ Dual Ergo Arm supports 17″–35″ per arm.
4. Desk attachment type. Figure out whether your desk can take a clamp, a grommet mount, or needs a freestanding base. Clamps require a certain desk thickness and rear-lip clearance — the most common fit failure is a thick desk edge or a rear crossbar that blocks the clamp jaws. Grommet mounts need an existing hole or drilling permission. A freestanding pedestal base works on any surface and is the choice if you rent or don’t want to touch the desk.
| Monitor Arm Model | VESA Support | Weight / Size Limit |
|---|---|---|
| BenQ Single Ergo Arm BSH01 | 75×75 / 100×100 mm | 4–44 lbs, 17″–45″ |
| BenQ Dual Ergo Arm BDH01 | 75×75 / 100×100 mm | 4–44 lbs per arm, 17″–35″ |
| ARCTIC X1 | 75×75 / 100×100 mm | Up to 22 lbs / 10 kg, 16:9 up to 40″ |
| ASUS ROG Ergo Arm AAS01 | 100×100 mm | Flat: 25.35 lbs / Curved: 18.74 lbs, up to 39″ |
Screw Length, Adapters, and the Setup That Works
Using the wrong screws is a quiet destroyer. Screws that are too long can puncture internal display components, so check your monitor’s spec sheet for the correct thread size and depth before bolting anything on. If the included stand hardware doesn’t match, buy the proper length rather than forcing it.
Monitors without VESA holes are not stranded. Adapter kits bolt to the monitor’s existing mounting points and create a VESA-compliant surface, or a simple non-VESA riser tray lifts the display without any mounting at all. Either route beats declaring the stand a bad purchase.
Once the arm is mounted, verify the adjustment range covers where you actually sit — gas-spring arms give smooth height changes, while less expensive models may need a hex wrench at each joint. For a look at which arms and risers survived hands-on testing, see our roundup of the top-rated computer monitor stands.
References & Sources
- Ergotron. “VESA Standard.” Defines the four-hole mounting interface on display backs.
- BenQ. “Monitor Arm Solutions.” Lists weight, size, and VESA limits for Single and Dual Ergo Arms.
- VESA. Video Electronics Standards Association. The standards body behind the Flat Display Mounting Interface pattern.
