Best Sellers
SIIG Dual 43" Mechanical Spring Monitor Arm Desk Mount- Gray - Fits 17"- 43" Screens, up to 26.4 lbs, VESA 75/100/200 - Dual 43" Mechanical Spring Monitor Arm Desk Mount - Gray - F
- Fits 17"- 43" Screens, up to 26.4 lbs, VESA 75/100/200
- Dual 43" Mechanical Spring Monitor Arm Desk Mount
- Gray
- Fits 17"- 43" Screens
- Detachable VESA Plate
- C-clamp & Gr
Any questions? Ask CelesteSM will help you find out quickly.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 5 years
- Limited Warranty period (labor): 5 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Website
- Support Phone: 1-510-657-8688
- Support Website
- View other products from SIIG, Inc
The SIIG Dual 43-inch Mechanical Spring Monitor Arm Desk Mount is a gray dual-screen mount for users who want to position two 17–43-inch monitors at their desk, with support for screens up to 26.4 lb and VESA 75/100/200 mounting patterns.
Recommended For
- Dual-screen knowledge workers using two large, flat, curved, or ultrawide monitors who want adjustable positioning; each display must fit the supported 17–43-inch range, weigh 2.2–26.4 lb, and use a supported VESA pattern.
- Desk-based users who want to free up surface space beneath two monitors and keep their desk cables organized, rather than use two standard monitor stands.
- People who reposition both screens for different work tasks or viewing angles and want height, tilt, swivel, extension, and portrait-or-landscape adjustment from a desk-mounted arm.
- Users whose desk can take a C-clamp or grommet mount and falls within the mount’s listed thickness limits, with a desk setup suited to a fixed installation.
Real-World Use Scenarios
- For a home-office dual-screen setup, mount one display for video calls and the other for email, notes, or spreadsheets; the side-by-side layout keeps reference material visible while you work, and the arms allow the screens to be repositioned for your seating position.
- When two monitor stands take up useful desk surface, use the desk-mounted arms to lift the displays off the work area; this leaves more room for a keyboard, notebooks, or other desk tasks.
- For coding, research, or spreadsheet work, keep the main task on one screen and supporting material on the other; being able to adjust screen height and angle helps tailor the arrangement to the desk and viewing position.
- If a desk sits close to a wall, reposition or fold the arms to change the screens’ placement; how close the setup can sit depends on the desk, monitor size, and arm position.
- For a large-screen dual-monitor workstation, mount compatible displays to free the desk from their original stands and adjust their viewing angles; check each screen’s weight, VESA pattern, and the desk’s stability before installation.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Dual-monitor desk setups using compatible tabletop-mounted monitors |
| Monitor Compatibility And Mounting | Supports monitors up to 26.4 lb with 75 × 75, 100 × 100, 200 × 100, or 200 × 200 mm VESA mounting patterns |
| Adjustment And Movement | Articulating movement with up to 90° tilt |
| Mount Construction And Appearance | Aluminum enclosure in gray |
| Product Weight | 13.51 lb |
| Model Identifiers | SIIG CE-MT6911-S1 |
| Safety Information | California Proposition 65 warning: cadmium |
Reference Q&A
Q: Should I choose this SIIG dual arm or a dual arm rated for monitors up to 32 inches?
A: Choose the SIIG Dual 43-inch Mechanical Spring Arm if either screen is larger than 32 inches, weighs more than 19.8 lb, or needs a VESA 200x100 or 200x200 mount. It supports screens up to 43 inches and 26.4 lb per arm. A 32-inch dual arm rated for 19.8 lb per arm may suit smaller, lighter screens and can include extras such as USB and audio ports, depending on the model. Check each monitor’s weight and VESA pattern before choosing.
Q: How does this compare with SIIG’s dual 43-inch heavy-duty gas-spring arm?
A: Both are specified for screens up to 43 inches. The mechanical-spring model supports up to 26.4 lb per arm and lists VESA patterns through 200x200, including 200x100. SIIG’s heavy-duty gas-spring model lists up to 45 lb per arm for flat monitors and 40 lb for curved monitors, with up to 23 inches of arm lift. Choose the gas-spring model when your monitors exceed 26.4 lb or you need its greater listed lift; choose this mechanical-spring model when its capacity and VESA compatibility meet your setup.
Q: Is this dual arm a worthwhile upgrade from a 32-inch, 19.8-pound-per-arm mount?
A: It is a practical upgrade if you are moving to screens larger than 32 inches, need support above 19.8 lb per screen, or require the 200x100 or 200x200 VESA patterns. This model is rated for screens up to 43 inches and 26.4 lb per arm. If your current monitors fit within the smaller mount’s size, weight, and VESA limits, the upgrade may not add a needed compatibility benefit.
Q: Will this arm fit my monitors?
A: It supports two monitors, each 17–43 inches and 2.2–26.4 lb, with VESA patterns of 75×75, 100×100, 200×100, or 200×200 mm. Check each monitor’s weight and mounting pattern before buying.
Q: Will the clamp fit my desk?
A: The C-clamp fits desktops 0.39–3.15 inches thick. The optional grommet mount fits desktops 0.39–1.57 inches thick and requires a compatible hole. Check your desk’s thickness and edge clearance before ordering.
Q: Can I rotate the monitors to portrait orientation?
A: Yes. The arm supports 360-degree VESA rotation, so compatible monitors can be positioned in portrait or landscape orientation. Confirm that your monitor’s size and shape have enough clearance in your intended setup.
Q: Is this suitable for a two-monitor desk setup?
A: Yes. It is designed to hold two displays and provides height adjustment, tilt, swivel, extension, and cable management. It suits a dual-screen workstation if both monitors meet the size, weight, and VESA requirements and your desk supports the mount.
















