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One For All Single Arm Solid Series Monitor Arm
UE-DM4120
$149
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Product Overview
Key Features
- Monitor arm for supporting screens
- White colour finish
Key Specifications
- Brand:
- One For All
- Model Number:
- UE-DM4120
- Type:
- Monitor Arm
General Information
- Colour:
- White
- Compatible Products:
- Fits most monitors between 13" and 35"
Warranty
- Manufacturer's Warranty:
- 10 Year
General Information
- Colour:
- White
- Compatible Products:
- Fits most monitors between 13" and 35"
Product Dimensions
- Product Height (mm):
- 130
- Product Width (mm):
- 226
- Product Depth (mm):
- 440
Box Dimensions
- Box Height (mm):
- 230
- Box Width (mm):
- 120
- Box Depth (mm):
- 440
- Box Weight (kg):
- 3
Product Reviews of One For All Single Arm Solid Series Monitor Arm
Overall Rating Snapshot
5 out of 5 stars from 1 review
100% of users recommend this product
Great quality
Great product, and easy to install.
Carl
Confirmed purchase 8 January 2026
Published on 10 February 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
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ABOUT THE GOOD GUYS REVIEWSThe Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The One For All Single Arm Solid Series Monitor Arm is a versatile, ergonomic solution for elevating a single monitor between 13 and 35 inches (up to 10kg). Ideal for home or office use, it offers flexible positioning, strong support, and built-in cable management. Its robust mechanical spring system ensures smooth adjustment. One limitation: it does not support dual monitors.
What it’s great for
- Everyday Productivity
- Office Work
- Home Office Setups
- Ergonomic Workstations
Where it works best
- Home Office
- Corporate Office
- Study Desk
- Shared Workspaces
Who it’s for
- Remote Worker
- Office Professional
- Student
- Home User
Things to consider
Only supports a single monitor-users needing multi-monitor setups should consider dual-arm alternatives.
Ergonomic improvement score
8/10 - Excellent single-monitor ergonomic adjustment, but lacks dual-monitor flexibility.
Desk space optimisation
Frees up desk space by elevating monitor and managing cables efficiently.
Multi-monitor compatibility
Single monitor only; not suitable for dual or multi-monitor setups.
Installation ease
9/10 - Simple clamp or grommet mounting with included tools.
Stability vs category average
8/10 - Strong, stable support for monitors up to 10kg; comparable to leading single-arm models.
Key benefits
- Universal Compatibility: Fits most monitors from 13 to 35 inches and up to 10kg.
- Flexible Mounting: Includes both clamp and grommet options for versatile desk installation.
- Cable Management System: Keeps cables organised and workspace clutter-free.
- Mechanical Spring System: Allows smooth, effortless monitor height and angle adjustments.
- Adjustable Tension: Customise arm resistance for optimal monitor positioning.
- Durable Construction: Made from high-grade materials for long-lasting support.
- Ergonomic Adjustment: Helps reduce neck and eye strain by enabling ideal monitor placement.
- Simple Installation: Built-in setup tools make installation straightforward.
Q: Will this monitor arm work with an ultrawide screen?
A: Yes, if the ultrawide monitor is within the 13 to 35 inch size range and does not exceed 10kg. A wider screen can still fit the arm's limits, but the weight and VESA mounting pattern matter more than the aspect ratio alone.
Q: Does the topside clamp mean I do not drill the desk?
A: No. The topside clamp is designed to be fixed from above the desk, so you do not need to crawl underneath just to secure the clamp. This model also includes a grommet option if your desk already has a suitable cable hole.
Q: How do I know if my monitor is VESA compatible?
A: Your monitor needs a VESA mounting pattern on the back, rather than a fixed stand-only design. This arm is made to suit most VESA patterns, but a monitor without VESA mounting points will not attach directly to the arm.
Q: Is the One For All DM4120 suitable for small desks?
A: Yes. The Single Arm Solid Series Monitor Arm has a compact footprint, so it suits desks where the monitor base takes up too much usable space. It is still best suited to one screen only, not a wider multi-monitor desk layout.
Q: Can this arm hold a heavy monitor without sagging?
A: Yes, within its rated limit. One For All UE-DM4120 supports one monitor up to 10kg and uses an adjustable tension system to keep the screen in position. If the monitor exceeds that weight, stable adjustment should not be expected.
Q: Does this model support a second screen later?
A: No. One For All UE-DM4120 is a single-monitor arm, so it holds one screen only. If you plan to run two displays side by side, this model will not expand into a dual-arm setup and a separate dual-monitor mount is the better fit.