Buying Guide
The Best Triple Monitor Arms
We weighed five monitor arms on screen size limit and load rating; the WALI stacked triple has the largest screen size limit, and the MOUNTUP triple costs the least.
By The PC Journal editorial team
12 min read5 products evaluated
Triple monitor arms hold three screens on one clamp. Every pick offers support for three or more monitors.
The order reflects max screen size, max load per arm and monitors from maker specifications; we did not test these monitor arms ourselves, and a missing max load per arm is flagged, not filled in.
Quick Picks
Our 5 recommendations at a glance. Tap a pick for the full verdict.
Lowest Price Here
MOUNTUP Triple Monitor Desk Mount (up to 27 in)
The lowest price among these monitor arms at the time of writing.
Best for: Spending as little as possible.
Our take Check price for MOUNTUP Triple Monitor Desk Mount (up to 27 in) (opens in a new tab)
Also Consider
HUANUO Triple Monitor Mount (13-27 in)
19.8 lbs per arm.
Best for: Buyers who want 19.8 lbs per arm.
Our take Check price for HUANUO Triple Monitor Mount (13-27 in) (opens in a new tab)
Largest Screen Size Limit
WALI Stacked Triple Monitor Mount (13-34 in)
The largest screen size limit here (34 in).
Best for: Buyers who put screen size limit first.
Our take Check price for WALI Stacked Triple Monitor Mount (13-34 in) (opens in a new tab)
Strong Alternative
MOUNT PRO Triple Monitor Mount (13-32 in)
A 28-inch pole reaching 36.3 inches.
Best for: Buyers who want 28-inch pole reaching 36.3 inches.
Our take Check price for MOUNT PRO Triple Monitor Mount (13-32 in) (opens in a new tab)
Premium Pick
WALI Triple Monitor Mount (13-32 in)
The highest-priced pick here at the time of writing, with a dual C-clamp for stability.
Best for: Buyers who want the most complete package.
Our take Check price for WALI Triple Monitor Mount (13-32 in) (opens in a new tab)
Our Picks
Lowest Price Here1 of 5
MOUNTUP Triple Monitor Desk Mount (up to 27 in) on Amazon (opens in a new tab)
The MOUNTUP triple stands out for tilt and swivel of 90 degrees each way, and it adds 360-degree rotation.
Best for
- Spending as little as possible.
Skip if
- Pass on it if tops out at 27-inch screen rules it out for your setup.
Why we like it
It also offers a 27 in screen size limit. You also get a standing pole design. Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the MOUNTUP triple; curved and some slim monitors need an adapter.
It makes the most sense for spending as little as possible, since it offers the lowest price among these monitor arms at the time of writing. It was the cheapest of the group when we checked; the HUANUO triple 27 was the next step up. Buyers who need a confirmed load rating should compare it with the HUANUO triple 27, which is rated for 19.8 lbs.
Key dimensions & specs
- Max screen size: 27 in
- Monitors: 3
Pros
- Tilt and swivel of 90 degrees each way
- 360-degree rotation
- Standing pole design
- The lowest price among these monitor arms at the time of writing
Cons
- Tops out at 27-inch screens
- No published load rating
Also Consider2 of 5
HUANUO Triple Monitor Mount (13-27 in) on Amazon (opens in a new tab)
The HUANUO triple 27 stands out for 19.8 lbs per arm, and it adds a full range of tilt and swivel.
Best for
- Buyers who want 19.8 lbs per arm.
Skip if
- Look at the others if this bothers you: tops out at 27-inch screens.
Why we like it
It also offers a 27 in screen size limit and is rated for 19.8 lbs. It matches the MOUNTUP triple on screen size limit (27 in). It also comes with 19.8 lbs per arm and a lower price than HUANUO's 32-inch version.
Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the HUANUO triple 27; curved and some slim monitors need an adapter. On price it sat second of 5, between the cheaper MOUNTUP triple and the pricier WALI stacked triple, at the time of writing. The trade-off is screen size limit; for more, the WALI stacked triple comes in at 34 in.
Key dimensions & specs
- Max screen size: 27 in
- Max load per arm: 19.8 lbs
- Monitors: 3
Pros
- 19.8 lbs per arm
- Full range of tilt and swivel
- Lower price than HUANUO's 32-inch version
Cons
- Tops out at 27-inch screens
- Screen size limit trails the WALI stacked triple (34 in)
- Costs more than the MOUNTUP triple at the time of writing
Largest Screen Size Limit3 of 5
WALI Stacked Triple Monitor Mount (13-34 in) on Amazon (opens in a new tab)
What the WALI stacked triple brings to the table is a stacked layout with a 32.1-inch pole, plus a maximum height of 41.4 inches.
Best for
- Buyers who put screen size limit first.
Skip if
- If budget leads, the MOUNTUP triple was cheaper at our last price check.
Why we like it
It also offers a 34 in screen size limit and is rated for 19.8 lbs. It holds three 13 to 34-inch screens in a stacked layout, each up to 19.8 lbs. Each arm tilts, swivels 180 degrees and rotates to portrait.
Nothing else here matches its 34 in screen size limit; the MOUNT PRO triple comes closest at 32 in. Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the WALI stacked triple; curved and some slim monitors need an adapter. On price it sat third of 5, between the cheaper HUANUO triple 27 and the pricier MOUNT PRO triple, at the time of writing.
Key dimensions & specs
- Max screen size: 34 in
- Max load per arm: 19.8 lbs
- Monitors: 3, stacked
Pros
- Stacked layout with a 32.1-inch pole
- Maximum height of 41.4 inches
- Support for 34-inch screens
- Largest screen size limit of the picks (34 in)
Cons
- Costs more than the MOUNTUP triple at the time of writing
Strong Alternative4 of 5
MOUNT PRO Triple Monitor Mount (13-32 in) on Amazon (opens in a new tab)
What the MOUNT PRO triple brings to the table is a 28-inch pole reaching 36.3 inches, plus tilt from +90 to -90 degrees.
Best for
- Buyers who want 28-inch pole reaching 36.3 inches.
Skip if
- Price-first buyers should look at the MOUNTUP triple, which cost less when we checked.
Why we like it
It also offers a 32 in screen size limit and is rated for 19.8 lbs. It holds three 13 to 32-inch screens, though not 1000R curves, and each arm tilts from +90 to -90 degrees, swivels 180 and rotates to portrait. It suits a trading or editing desk.
On screen size limit it ties with the WALI triple at 32 in. It also comes with fit for flat and curved screens. Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the MOUNT PRO triple; curved and some slim monitors need an adapter. When we checked, only the WALI stacked triple and cheaper picks cost less, and the WALI triple cost more.
Key dimensions & specs
- Max screen size: 32 in
- Max load per arm: 19.8 lbs
- Monitors: 3
Pros
- 28-inch pole reaching 36.3 inches
- Tilt from +90 to -90 degrees
- Fit for flat and curved screens
- Screen size limit of 32 in, ahead of the MOUNTUP triple
Cons
- Costs more than the MOUNTUP triple at the time of writing
Premium Pick5 of 5
WALI Triple Monitor Mount (13-32 in) on Amazon (opens in a new tab)
What the WALI triple brings to the table is a dual C-clamp for stability, plus 19.8 lbs per arm.
Best for
- Buyers who want the most complete package.
Skip if
- Skip it if price comes first: the MOUNTUP triple cost less when we checked.
Why we like it
It also offers a 32 in screen size limit and is rated for 19.8 lbs. On screen size limit it ties with the MOUNT PRO triple at 32 in. It also comes with 19.8 lbs per arm and fit for flat or curved screens.
Check the back of your monitor for a 75x75 or 100x100 VESA pattern before ordering the WALI triple; curved and some slim monitors need an adapter. Confirm your desk edge fits the WALI triple's clamp range and has no rear lip or drawer rail in the way. Only the MOUNT PRO triple came close to it on price at the time of writing; it cost the most of the 5 picks. It gives ground on load rating, where the HUANUO triple 27 is rated for 19.8 lbs.
Key dimensions & specs
- Max screen size: 32 in
- Max load per arm: 19.8 lbs
- Monitors: 3
- Mounting: Dual C-clamp
Pros
- Dual C-clamp for stability
- 19.8 lbs per arm
- Fit for flat or curved screens
- Screen size limit of 32 in, ahead of the MOUNTUP triple
Cons
- Costs more than the MOUNTUP triple at the time of writing
How We Chose These Triple Monitor Arms
Each pick was assessed across 4 criteria weighted for real-world use.
- Load rating
- We recorded the per-arm weight range each listing states, including curved-screen limits where given.
- Screen size
- We noted the maximum screen size, including ultrawide figures.
- Adjustment
- We noted gas, mechanical spring or pole-collar height adjustment.
- Mounting
- We checked clamp and grommet options and listed desk thickness ranges.
What to Look for in a Triple Monitor Arm
Key buying criteria so you get the right fit the first time.
Confirm the VESA pattern
Most arms take 75x75 or 100x100mm. Larger ultrawides may use 200x100 or none at all and need an adapter plate.
Clamp or grommet
C-clamps grip the desk edge within a thickness range. Grommet mounts go through a hole and suit desks with a back lip.
Dual arms and desk depth
Dual arms share one pole or clamp. Check the arm reach against your desk depth so both screens can sit at arm's length.
Gas and mechanical springs
Spring-assisted arms let you move the screen with one hand. Pole-mounted arms adjust height with a collar and a tool.
Weigh the monitor without its stand
Arm ratings are per arm and include a minimum as well as a maximum. Weigh the panel alone, since the stand is removed.
Screen size limits are about leverage
A 34 or 49-inch ultrawide puts more leverage on the joint. Use an arm listed for that size, not only that weight.
How to Choose a Triple Monitor Arm
By priority
| Priority | Consider | Why |
|---|---|---|
| Spending as little as possible | MOUNTUP triple | The lowest price among these monitor arms at the time of writing |
| Buyers who want 19.8 lbs per arm | HUANUO triple 27 | 19.8 lbs per arm |
| Buyers who put screen size limit first | WALI stacked triple | The largest screen size limit here (34 in) |
| Buyers who want 28-inch pole reaching 36.3 inches | MOUNT PRO triple | A 28-inch pole reaching 36.3 inches |
| Buyers who want the most complete package | WALI triple | The highest-priced pick here at the time of writing, with a dual C-clamp for stability |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Monitor Arm | Max screen size | Max load per arm | Monitors |
|---|---|---|---|
| MOUNTUP triple | 27 in | Not listed | 3 |
| HUANUO triple 27 | 27 in | 19.8 lbs | 3 |
| WALI stacked triple | 34 in | 19.8 lbs | 3, stacked |
| MOUNT PRO triple | 32 in | 19.8 lbs | 3 |
| WALI triple | 32 in | 19.8 lbs | 3 |
Scroll sideways to see every column.
Frequently Asked Questions
How do these monitor arms compare on screen size limit?
The WALI stacked triple, at 34 in. The MOUNT PRO triple follows at 32 in, while the HUANUO triple 27 has 27 in.
Which is the cheapest pick in this guide?
Start with the MOUNTUP triple, the lowest-priced pick when we checked. The WALI triple is the premium end, so the spread between them shows what extra money buys here.
Can I clamp a monitor arm to a glass desk?
It is not recommended. Clamp arms concentrate force on the desk edge; use a freestanding base instead.
What desk thickness do clamps fit?
Most ranges fall between about 0.4 and 3 inches. Check the exact range in the product details.
Should I get a monitor arm or a riser?
A riser lifts a monitor on its own stand and needs no VESA mount. An arm frees desk space and adds tilt and swivel.
Bottom Line
Our first pick is the MOUNTUP triple, chosen for the lowest price among these monitor arms at the time of writing. Look at the HUANUO triple 27 for 19.8 lbs per arm, the WALI stacked triple for the largest screen size limit here (34 in) and the MOUNT PRO triple for a 28-inch pole reaching 36.3 inches if those matter more to you.
Check the desk can carry the combined weight at the clamp point.