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3M™ MA140MB Dual-Swivel Monitor Arm, Desk Mount, Black Item # 571507
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Description
Precisely position your monitor the way you want with the 3M dual-swivel monitor desk mount. Whether you need a comfortable view for a design session or want to share your work with a group, it's easy to find just the right spot for your display.
- Lets you set your flat-panel monitor at the most comfortable, ergonomic position for you. 3M dual-swivel monitor arm frees up valuable desk space.
- Mechanically adjustable arm moves up, down, forward and back. Height adjusts at the press of a button.
- 3M dual-swivel desk mount provides 7.5" of height adjustability. Extends 19.5" from the base.
- Allows monitor to rotate from landscape to portrait for optimal viewing.
- Supports an LCD monitor weighing up to 30 lb.
- Clamp-mount hardware on the 3M monitor desk mount fits desks up to 4.25" thick. Grommet-mount hardware fits desks up to 2.25" thick.
Product Details
| Item # | 571507 |
| OfficeMax # | 23371502 |
| Manufacturer # | MA140MB |
| adjustable height | yes |
| assembly required | No |
| brand name | 3M |
| color | black |
| Compatibility | Monitor |
| cord management | no |
| depth | 19 1/2 in. |
| Device Supported | Flat Panel Display |
| height | 18 1/2" in. |
| keyboard storage | no |
| manufacturer | 3M Company |
| Maximum Adjustable Height | 7.50 in. |
| Maximum Load Capacity | 30 lb |
| movement type | horizontal; vertical |
| rotation ability | 180 degrees |
| VESA Mount Compatible | Yes |
| warranty length | 3-year limited |
| weight capacity | 30 lb |
| width | 4 1/2 in. |
| Show More ▾ |
Customer Reviews
3M™ MA140MB Dual-Swivel Monitor Arm, Desk Mount, Black is rated
out of
5 by
5.
Rated 4 out of
5
by
Missi from
3M swivel monitor desk mount arm
Product meets all expectations & seemed easy enough to install (I watched ;)
Date published: 2017-09-06
Rated 1 out of
5
by
nmroland from
Won't support my NEC 30" monitor
I found that the design of the ball support at the end of the swing arm will not support my 26.7 lb NEC 30" monitor. The specifications say it will BUT IT WILL NOT. It might be fine for monitors up to 15 or even 20 lbs, but don't believe their description. I've tried to tightened the screw that holds the ball which is attached to the monitor but I've reached the end of the threads and the monitor still sags.
Date published: 2016-06-29
Rated 1 out of
5
by
Nebo487 from
Won't support the 30lbs it's supposed to.
Put a 20.4lb monitor on a stand that is supposed to support 30 and you'd think it would hold it - it doesn't. I have tightened up the ball joint to the VESA mount so hard I'm afraid the bolt will snap and it still tilts down without support. Completely the wrong joint to use for a heavy monitor. Poor form 3M. I have rated this stand so poorly because it is basically useless and poorly designed.
Date published: 2016-03-14
Rated 4 out of
5
by
Jeff Dos from
Depends on how you use it
We are a business that bought over 200 of these last year for a monitor and cart that we sell. We cannot use the L-brackets that come with this arm on our cart, so we remove them and insert the hand knob that's used to tighten the clamp into the base of the arm tube that mounts on top of the table. In the last couple of months, we have had to return up to 50% of these arms per shipment because the knob will no longer screw into the base as before. This is a recent problem. We are currently working with 3M to find a solution to this problem. Otherwise, this arm has worked great for us.
Date published: 2015-01-22
From the Manufacturer|Powered by 
Overview
- Provides 7 ½" of pole height adjustability, 18 ½" height adjustability from the surface and extends 19 ½" from the base
- Clamp mount hardware fits desks up to 4 ¼" thick and grommet mount hardware fits desks up to 2 ¼" thick
- Weight capacity of 30 lbs
- VESA MIS-D Compliant
- 3 year warranty
Take a Tour
Dimensions
Helpful Information
-
Mechanical Adjust Monitor Arm Information Sheet
PDF, 966K, 2 pages
-
Monitor Arm Comparison Chart
PDF, 144K, 1 page
-
Exercises to Promote Ergonomic Comfort
PDF, 109K, 1 page
-
Workstation Guidelines for Optimal Personal Comfort
PDF, 107K, 1 page
-
2013 Workspace Brochure
PDF, 3.24MB, 24 pages
Comparison Chart
|
|
|
|---|---|---|
| MA120MB | MA140MB | |
| Easy Adjust Technology |
No
|
No
|
| Monitor Weight Capacity |
30 lbs
|
30 lbs
|
| Height Range |
7.5"
|
7.5"
|
| Tilt Range Fwd/Bkwd |
+15°/-90°
|
+15°/-90°
|
| Swivel Left/Right |
180°
|
180°
|
| Rotation Portrait/Landscape |
360°
|
360°
|
| Clamp Mount Surface Thickness |
0.8"-2.25"
|
0.8"-2.25"
|
| Grommet Mount Surface Thickness |
0.4"-2.25"
|
0.4"-2.25"
|
| Grommet Mount Max Hole Size |
2.25"
|
2.25"
|
| Max Extension Length |
11.5"
|
19.5"
|
| Recycled Content |
N/A
|
N/A
|
| Warranty |
3 Years
|
3 Years
|
3M