3M MM200B

Overview

The 3M MM200B is a fully adjustable dual monitor mount designed to elevate two monitors up to 28.5 inches wide and 20 pounds each, improving your workspace ergonomics by positioning screens at eye level. Its 15-inch height-adjustable pole, swivel arms, and tilt and rotation capabilities allow you to customize your setup for comfort whether sitting or standing. The mount’s sturdy steel construction and tool-free clamp installation make it a reliable and convenient solution for organizing dual displays in office or home environments.

Key features

• Supports two monitors up to 28.5 inches wide and 20 pounds each, accommodating most office screens
• Height adjustment via a 15-inch pole to position monitors at the ideal eye level
• Arms swivel 90 degrees side to side, with each monitor tilting +45 to -45 degrees and rotating 360 degrees for portrait or landscape views
• Tool-free clamp attaches securely to desks up to 3.25 inches thick, simplifying installation and repositioning
• Durable steel frame finished in black for long-lasting stability and a professional look
• Integrated cord management channel keeps power and video cables neatly organized and out of sight

Key specs

• Monitor size compatibility: up to 28.5 inches wide
• Maximum monitor weight: 20 pounds per arm
• Height adjustment range: 15 inches
• Swivel range: 90 degrees side to side
• Tilt range: +45 to -45 degrees
• Rotation: 360 degrees for portrait or landscape orientation
• Clamp thickness compatibility: up to 3.25 inches
• VESA compatibility: 75 x 75 mm and 100 x 100 mm
• Material: steel construction with black finish
• Product weight: 9.9 pounds

Installation and setup

Setting up the MM200B is straightforward thanks to its clamp design that secures to desks without the need for tools. The clamp fits surfaces up to 3.25 inches thick, making it compatible with a wide range of desks and tables. Once mounted, the adjustable arms and pole allow you to fine-tune the position of each monitor to reduce neck and eye strain, creating a more comfortable and productive workspace.

Ideal uses and environments

This dual monitor mount is well suited for professionals who rely on multiple screens, such as software developers, graphic designers, and remote workers. It helps maximize desk space by lifting monitors off the surface, freeing room for keyboards, notebooks, and other essentials. The ergonomic adjustments support long hours of work by promoting better posture and reducing fatigue. Pairing it with an adjustable standing desk enhances its flexibility for dynamic work environments.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, with tags, manuals, accessories, and original, unaltered packaging. Any item kept will be deducted from the refund. Start a return by sending us an email. Items sent back without approval may be refused or returned to the sender.

Some items are not returnable: opened TVs/combos/monitors 37″+, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method; allow 5–7 business days for the credit to post. Shipping, handling, customs duties, and import taxes are nonrefundable. If an item is used, incomplete, or not in original condition, a 30% restocking fee may apply. Direct exchanges are not offered; purchase the replacement and return the original for a refund.

We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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