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M8.1 Dual Monitor Arm, Crossbar

The Most Advanced Ergonomics
In today’s fast-paced, agile work environment, there’s no time for discomfort. M8.1, part of Humanscale’s revolutionary new monitor arm line, instantly improves the comfort, health, and productivity of any workspace. Fully compatible with traditional desks and sit/stand workstations alike, M8.1 meets a variety of configuration needs for single monitors from 3 – 13 kg (6 – 28 lbs.) or – with optional crossbar support – dual monitors up to 5.5 kg (12 lbs.) each.
Heavy Single or Dual Monitors 3 – 13 kg (6-28 lbs.)
Up to 305mm (12”)
Aluminium with White Trim
About The Design
M8.1 supports a better working posture, creates more usable desktop space and helps maintain a clutter-free environment. It offers quick, simple installation and industry-leading flexibility thanks to Quick Release joints that instantly snap together for a secure and robust fit.


Patented Weight-Compensating Spring Technology
Enables personalization and flexibility for modern workplaces.

Modular Attachments
VESA plate built in enables quickly install all monitors.
Crossbar
A precision-engineered crossbar with an integrated sliding mechanism securely supports two monitors weighing up to 12 lb (5.5 kg) each. The smooth-glide slider allows effortless horizontal positioning for perfect monitor alignment, while the ergonomic central handle enables convenient, one-handed movement of both monitors simultaneously. Designed to maintain optimal viewing comfort, the crossbar provides seamless adjustability without compromising stability or workspace aesthetics.

Dynamic & Fixed Arm
All our monitor arms are ultra-sleek, durable, easy to adjust and install.

Enhanced Cable Management.
Easier installation to keep wires secure.

Quick Release Joints (Patent-Pending)
Designed to rapidly install all monitor arm styles.

Smart Stop (Patent-Pending)
Enables user to pause joint rotation to avoid monitor or arm overhang on desk.

Interchangeable Mounting options
Attachable to various work surfaces.

Built-In Tools
Post-installation adjustments.
Ease-of-Use and Agility
With innovative features like its Compensator Mechanism and Self-Lubricating Precision Bearings, M8.1 allows users to effortlessly adjust their monitor(s) to their optimal ergonomic position while also providing top-to-bottom cable management.
Reduced Cost of Ownership
M8.1 features the lowest cost of ownership of any monitor arm, meaning it is the easiest, quickest, and most cost-effective, arm to install and modify for future moves, additions and changes to the workstation. Its durable design also ensures the monitor arm won’t need to be replaced for many years
Sleek, Safe Design
M8.1’s Smart Stop feature allows the user to stop each joint anywhere along its rotation to prevent monitor or arm overhand on the desk edges. In addition, a built-in Counterbalance Indicator lets the installer counterbalance the monitor weight without a monitor.
Simple and Sustainable
M8.1 ships unassembled to reduce packaging size and its modular links allow users to quickly design the most productive space without additional parts – all effectively saving resources, energy and shipping costs to get from factory to office. Humanscale monitor arms are also free of harmful Red List chemicals.
Integrated Technology
M8.1 is compatible with Humanscale’s revolutionary docking station, M/Connect 2, to eliminate desktop cables and provide a more streamlined workspace. It is also compatible with M/Power – a USB Type-A and Type-C charging station that offers convenient, high-speed charging for personal devices.


