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Dual-monitor home office setups have three viable mount configurations — single-post dual arms, two separate arms, and a single arm with a stacking adapter. Here's which is right for which use case, and the weight-balance and viewing-angle pitfalls.

A buyer's guide for monitor arms. Weight capacity, reach, joint type, mount style, and the specific compatibility checks that turn a 'good enough' arm into the right one for your setup.

VESA is the universal monitor mount standard — and the source of half the mount-compatibility confusion in home office builds. Here's what the 75×75, 100×100, 200×200 patterns mean, when you need an adapter, and the curved-monitor caveats.

A keyboard tray drops your keyboard 2–4 inches below the desktop, fixing wrist angle issues that a desk-height adjustment alone can't solve. Here's when you need one, the four mount types, and the surprising number of buyers who can skip the tray entirely.

Ergotron makes three of the best single-monitor arms on the market — the LX, HX, and MX. They look similar, cost differently, and serve different displays. Here's a head-to-head on capacity, reach, and the curved-monitor caveats.

The three premium single-monitor arms most knowledge workers consider — Herman Miller Flo Plus, Humanscale M2.1, and Ergotron LX. We test joint smoothness, sag over time, and which arm to spend extra for.