How to Choose a Triple Extension Monitor Mount Set

By SimXPro l Sim Racing Shop | Published: 2026-10-18

Category: Buying Guides

Learn how to select a triple extension set for your sim racing rig. We cover compatibility, adjustability, and key decision rules to help you upgrade your single monitor stand to a triple screen setup.

Quick answer

To choose a triple extension monitor mount set, first ensure your existing single monitor stand uses a 40×80 mm profile, then verify that the included VESA brackets match your monitors' mounting patterns and that the center mount offers tilt and height adjustment for proper alignment.

Compatibility first: profile and VESA patterns

A triple extension set is designed to upgrade a compatible single monitor stand to a triple screen configuration. Most sets, like the Triple Extension Set, are built for stands with a 40×80 mm aluminum profile. If your current stand uses a different profile size, this type of kit will not fit.

The set typically includes mounting brackets for 75×75 and 100×100 VESA patterns, which cover most sim racing monitors. However, if your monitors use a non-standard pattern like 200×200, you will need a separate adapter or a set that explicitly includes that size. Check the included VESA mounts before purchasing.

Adjustability and alignment

For a proper triple-screen sim racing setup, the center monitor must be adjustable independently. Look for a set that includes a tiltable and adjustable VESA mount for the center position. This allows you to align the center screen with your eye line and angle the side monitors inward for an immersive field of view.

The side mounts in most extension sets are fixed, so the side monitors' height is determined by the main stand. If your stand lacks height adjustment, you may need to shim or use additional accessories to match the center monitor's height.

Hardware and build quality

A complete triple extension set should include all necessary hardware: aluminum profiles, mounting brackets, end caps, and mounting materials. Missing hardware can delay your build or require additional purchases. The Triple Extension Set, for example, includes everything needed for the conversion, so you do not have to source parts separately.

Aluminum profile quality matters for stability. Thicker profiles reduce monitor wobble during intense racing. If the product page does not specify profile thickness, consider reaching out to the manufacturer or checking user reviews for feedback on rigidity.

Decision rules for choosing a triple extension set

Check stand profile: Measure your existing single monitor stand's vertical profile. It must be 40×80 mm for the extension set to attach securely.
Verify VESA compatibility: Confirm that the set includes brackets matching your monitors' VESA patterns. Most sets cover 75×75 and 100×100; if your monitors use 200×200, look for a set that includes that mount or plan to buy an adapter. If your monitors use 200×200 VESA, the Triple Extension Set includes a 200×200 tiltable and adjustable mount for the center position, but side mounts may still be limited to smaller patterns.
Evaluate center monitor adjustability: A tiltable and adjustable VESA mount for the center monitor is essential for aligning the screens. Without it, you may not achieve a comfortable eye line.
Review included hardware: Ensure the kit comes with all profiles, brackets, end caps, and mounting materials. Missing parts can delay installation or require extra purchases. The Triple Extension Set includes all required hardware, making it a straightforward choice for compatible stands.

Product facts

Triple Extension Set: Designed for 40×80 mm profile-based single monitor stands; includes profiles, brackets, and mounting hardware for conversion. This ensures you have all parts in one box, saving you from sourcing separate components and confirming compatibility with common sim rig stands.
Triple Extension Set

Who should buy this

Best for

Sim racers who already own a 40×80 mm single monitor stand and want to upgrade to a triple screen setup without replacing the entire mount.
Users who prefer an all-in-one kit with included hardware to avoid sourcing parts separately.

Not for

Those with a monitor stand that uses a non-40×80 mm profile, as the extension set will not attach.
Users who need independent height adjustment on all three monitors, as side mounts are typically fixed height.