Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Ergotron 45-476-026 is a dual-monitor desk arm built from aluminum, with a clamp or grommet mount and a stated capacity of about 22.75 lb (10.3 kg) across both screens. It is part of Ergotron's LX line, so it uses the same tool-free VESA plate, cable management channels and gas-spring lift that made that line popular. It suits people with two monitors who want to clear desk space and set each screen at its own height and angle. Against cheaper dual arms it is heavier and sturdier, but it costs more and takes up more desk depth than a simple pole stand.
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Lowest price we've seen: $603.00 on Nov 10 at Quill. Tracked across 3 stores since Nov 10.
Owners generally rate the LX dual arm highly for build quality and smooth movement, and many say it holds heavier monitors without drooping. Complaints center on the effort of initial setup and on clamp pressure on softer desks.
