Humanscale M8.1 Monitor Arm — Single & Dual Adjustable Desk Mount

• Wide Weight Capacity: Supports 6–28 lb single monitors (up to 65"). Optional crossbar supports dual monitors up to 12 lbs each (up to 28").
• Dual-Monitor Ready: Crossbar ensures both displays remain level, aligned, and stable—ideal for programming, analytics, financial work, CAD/light design, and corporate offices.
• Smooth Spring Adjustment: Counterbalanced mechanism enables effortless height, tilt, pan, and depth control without drift.
• Smart Stop™ Technology: Customize rotation to prevent wall collisions and protect surrounding furniture.
• Integrated Cable Management: Top-to-bottom, rubberized channels keep cords hidden and your workstation clean.
• Multiple Mounting Options: Clamp (standard), bolt-through, wall mount, and slatwall support.
• Premium Finish Options: Polished Aluminum, Silver/Grey, or Black.
• Commercial-Grade Durability: Engineered for 24/7 performance with Humanscale-quality reliability.

• Configurations: Single-monitor arm or dual crossbar
• Weight Capacity (Single): 6–28 lbs
• Weight Capacity (Dual): 12 lbs per monitor (with crossbar)
• Maximum Screen Size: 65" (single), 28" each (dual)
• Height Adjustment: 10" vertical range (varies by setup)
• Rotation: 360° with Smart Stop™ limiters
• Mount Options: Clamp (standard), bolt-through, wall, or slatwall
• VESA Compatibility: 75 × 75 mm, 100 × 100 mm
• Finishes: Polished Aluminum, Silver/Grey, Black
• Warranty: 15 years

Recommended Configurations

Most customers choose:

• Black or Silver/Grey finish
  
• Standard clamp mount (compatible with most desks)
  
• Single monitor configuration for 27"–34" displays
  
• Dual-monitor crossbar for programming, financial work, or technical environments
  
• Smart Stop™ enabled to prevent rotation beyond your desk depth
  

These configurations align with the most common workflows and deliver optimal performance.

Best For

• Single monitors up to 28 lbs
  
• Dual monitors with the optional crossbar
  
• Executive and corporate offices
  
• Engineering, CAD/light design, architecture
  
• Programming, analytics, technical roles
  
• Hybrid workstations and height-adjustable desks
  
• Healthcare, higher education, and administrative spaces
  

Who Should NOT Choose the M8.1

The M8.1 may not be the best match for users who:

• Use ultrawide monitors heavier than 28 lbs (choose the Humanscale M10)
  
• Want a lightweight arm for smaller displays (choose the M2.1)
  
• Prefer budget-oriented arms without high-end movement control
  

M2.1 vs. M8.1 vs. M10

M2.1:
Best for lightweight to mid-weight monitors (5–15.5 lbs). Ideal for home offices, standard corporate setups, and smaller screens.

M8.1:
Perfect mid-heavy solution with broad weight support and true dual-monitor capability. The best all-around choice for most professional workstations.

M10:
Heavy-duty flagship arm designed for ultrawides, curved displays, and multi-monitor technical environments.

See all Humanscale options →

Why Professionals Choose the M8.1

Professionals across Kansas City rely on the M8.1 because it delivers the ideal blend of:

• High weight capacity
  
• Flexible configuration options
  
• Stability for dual monitors
  
• Smooth, precise movement
  
• Commercial-grade durability
  

Whether you’re a designer, analyst, engineer, or executive, the M8.1 enhances posture, increases desk space, and supports better visual ergonomics throughout the day.

Your Trusted Humanscale Dealer in Kansas City

Kansas City Office Design is an authorized Humanscale dealer. All M8.1 units ship directly from Humanscale with:

• Authentic parts
  
• Full manufacturer warranty
  
• Verified specification accuracy
  
• Commercial-grade support
  

We serve clients across Overland Park, Olathe, Lee’s Summit, Liberty, North Kansas City, and the greater Midwest.

Our team provides ergonomic guidance, finish recommendations, and workstation planning for corporate, healthcare, education, civic, and hybrid environments.

Complete Your Setup

• Height-Adjustable Desks
• Ergonomic Task Chairs
• Cable Management Accessories

About Humanscale

Humanscale is the global leader in ergonomic office solutions, trusted by Fortune 500 companies and design-driven studios worldwide. Their monitor arms are engineered to reduce strain, improve posture, and enhance workstation efficiency through intuitive, human-centered movement.

Local Support & Installation

We offer white-glove delivery and installation across the Kansas City metro, including Overland Park, Olathe, Lee’s Summit, Liberty, and North Kansas City. Our team ensures your M8.1 is mounted securely, ergonomically positioned, and fully optimized for your workflow.

Elevate productivity and workstation performance with the Humanscale M8.1 Monitor Arm — engineered for modern work and built to last.

Humanscale provides a 15-year warranty on the M8.1 Monitor Arm, including:

• Coverage for structural components
• Coverage for all mechanical joints and moving parts
• Coverage for internal spring and adjustment mechanisms
• Coverage for arm assembly, rotation points, and hardware
• Coverage for clamp/bolt-through mounting components

Warranty Exclusions

This warranty does not apply to:

• Normal wear and tear
• Damage caused by accident, misuse, or failure to follow installation guidelines
• Damage caused by unauthorized service, modification, or tampering
• Issues resulting from improper mounting surfaces or incompatible accessories
• Damage caused during transportation or relocation of the product
• Damage caused by electrical issues, acts of God, or use of non-Humanscale components

Warranty Standard

Humanscale warrants that the M2.1 will be free from defects in materials and workmanship at the time of delivery and through the duration of the warranty period when used in accordance with official instructions.