3M Dual-Swivel Monitor Arm, Black (MA140MB) Single Arm Black

The 3M Dual-Swivel Monitor Arm MA140MB is designed to handle monitors that weigh up to 30 pounds and are up to 27 inches wide.

Now, while the manufacturer mentions it can clamp onto desks as thick as 4.25 inches, our research indicates it might be more stable with desks up to about 2.36 inches thick. So, if your desk is on the thicker side, it's something to keep in mind or maybe even double-check.

We've also found that folks have mixed opinions on how well the arm adjusts. There seem to be some hiccups with the ball joint that lets you tilt the monitor. If you're using a monitor near the upper weight limit, it might sag or tilt if the joint isn't tightened enough. This could be annoying if you're someone who likes to adjust their monitor a lot.

If your monitor and desk fit comfortably within these reliable ranges, this monitor arm could be a good fit for you, providing decent adjustability with a reach of 19.5 inches and height adjustability of about 7.5 inches.

But if either the thickness of your desk or the weight of your monitor is pushing those limits, it might be a good idea to consider other options with more support or double-check the specs before committing.

Also, make sure you get all the pieces when you order—there have been a few reports of folks not receiving everything they needed to set it up.

Missing parts can be a real setup headache!

Lowest at Amazon
$131.98 at Amazon
Lowest at any Popular Retailer
$131.98 at Amazon

Where to Buy

Prices last updated: November 22nd 2024 3:17 pm

Considering the 3M Dual-Swivel Monitor Arm?

Here's our "TLDR" Review

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More Answers

If you're still curious about the 3M Dual-Swivel Monitor Arm, here are some other answers you might find interesting:

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Can the 3M MA140MB monitor arm hold ultrawide monitors?

Published: September 4th, 2024

Hey! If you're wondering whether the 3M Dual-Swivel Monitor Arm (MA140MB) can hold ultrawide monitors, here's the deal: it's designed to support monitors up to 30 pounds and 27 inches in size, according to the manufacturer's description.

So, it might work with smaller ultrawide models, but the really big ones are likely too large.

As for adjustments, this arm offers 7 1/2 inches of height adjustability and can extend up to 19 1/2 inches from the base. It also lets you switch between landscape and portrait modes and tilt your monitor, providing plenty of flexibility to set up your workspace just right.

Our research shows that people appreciate its sturdy design and stylish look. The cable management is effective, and setting it up is generally straightforward.

However, there are a few things to keep in mind. Some folks mentioned that the clamp might be tricky with desks thicker than 2.36 inches. So, if your desk is on the thicker side, you might need to think about an alternative mounting method.

Also, if you're pushing the weight limit (close to 30 pounds), you may find you need to adjust the tension on the ball joint that controls the tilt. Keeping an eye on this over time might be necessary to prevent any sagging.

And about the setup instructions—while most people don't have issues, a few have pointed out that they could be a bit clearer. In some cases, extra help from customer service or additional parts might come in handy to get everything just right.

So, in short, while the 3M MA140MB is a solid choice for standard-sized monitors, it could have some challenges with larger ultrawide ones. Just double-check your monitor's size and weight against the specs for this arm to make sure it's a good fit.

Read More
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Does the 3M MA140MB monitor arm fit thick desks?

Published: August 29th, 2024

The 3M MA140MB Dual-Swivel Monitor Arm is built to handle a range of setups. It supports monitors up to 27 inches and can carry up to 30 pounds, according to the manufacturer's description. However, our research shows that when it comes to thick desks, things can get a bit tricky.

One of the monitor arm's strengths is its sturdy build and ergonomic design, which usually gets good reviews. But we found some mixed feedback about how it fits on thicker desks. The arm should fit desks up to around 4.25 inches thick, but some folks had problems clamping it onto especially thick or non-standard desks. This can sometimes lead to an unstable setup.

Also, while the manufacturer says it can handle up to 30 pounds, our research indicates it might struggle with stability if you're getting close to that limit, especially with heavier monitors weighing over 20-25 pounds. People have mentioned issues like sagging or trouble staying balanced with monitors around 26 pounds.

So, it seems important to ensure the weight is balanced and the tension is adjusted right for it to work well.

If you want to use this monitor arm on a thick desk, it's a good idea to check the desk's thickness and see how flexible the mounting area is. This ensures a secure fit, which is key for keeping everything stable.

In short, while the 3M MA140MB is generally a solid option, its performance can vary with desk thickness and monitor weight. Double-checking compatibility with your desk and setup can help avoid hassles and ensure you make the most of the arm's features. Keeping in mind the limits others have shared might also help you make a better decision.

Read More

The 3M Dual-Swivel Monitor Arm MA140MB is designed to handle monitors that weigh up to 30 pounds and are up to 27 inches wide.

Now, while the manufacturer mentions it can clamp onto desks as thick as 4.25 inches, our research indicates it might be more stable with desks up to about 2.36 inches thick. So, if your desk is on the thicker side, it's something to keep in mind or maybe even double-check.

We've also found that folks have mixed opinions on how well the arm adjusts. There seem to be some hiccups with the ball joint that lets you tilt the monitor. If you're using a monitor near the upper weight limit, it might sag or tilt if the joint isn't tightened enough. This could be annoying if you're someone who likes to adjust their monitor a lot.

If your monitor and desk fit comfortably within these reliable ranges, this monitor arm could be a good fit for you, providing decent adjustability with a reach of 19.5 inches and height adjustability of about 7.5 inches.

But if either the thickness of your desk or the weight of your monitor is pushing those limits, it might be a good idea to consider other options with more support or double-check the specs before committing.

Also, make sure you get all the pieces when you order—there have been a few reports of folks not receiving everything they needed to set it up.

Missing parts can be a real setup headache!

Read More

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