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LG’s new 42.5-inch monitor can display four inputs at once

LG’s latest monitor is a big beast aimed at pro customers used to juggling multiple displays. It’s 42.5-inches wide, and has enough ports to show four screens at once from different sources. Oh, and it’s available for pre-order for $697 (that price and these details via Anandtech), making it a decent deal to boot. Interested? Let’s dive in.

As mentioned above, this is a 4K IPS panel (catalog name: 43UD79-B), measuring 42.5-inches across the diagonal, with a UHD resolution of 3840 × 2160. It’s got a non-glare coating, a contrast ratio of up to 1000:1, and decent viewing angles of 178° on both the horizontal and vertical. Peak brightness is 350 cd/m2, and LG says it supports up to 1.07 billion colors. The stand it comes with is basic, and only lets users adjust tilt, not height.


The port selection on the LG 43UD79-B
Image: LG

Connectivity wise it’s got ports-a-plenty. There are two HDMI 2.0 inputs (handling 4K at 60Hz), a pair of HDMI 1.4 inputs (4K at 30Hz), one DisplayPort 1.2a input (doing 4K at 60Hz), one USB 3.1 Type-C (with a DP alt-mode for a second DisplayPort input), and a pair of regular USB 3.0 inputs for mouse and keyboard. All these inputs let the screen show up to four displays at once, with LG offering customers various different configurations, including picture-in-picture. The monitor also supports LG’s Dual Controller feature, meaning you can control two different computers plugged into it using the same mouse and keyboard.


Different screen layout options available on the LG 43UD79-B.

But while this is great for professionals whose hearts’ desire is to scroll through four Excel spreadsheets simultaneously (you crazy bastards, you), this monitor probably isn’t going to be a hit with gamers. That’s because although it supports variable refresh rate via FreeSync, its native rate is 60Hz, meaning that’s probably the FreeSync cap too. (As noted by Anandtech, LG does not specify a lower bound for this.) 60Hz is good enough for most people, but it doesn’t match up to the competition.

BenQ’s Zowie XL2540 has a refresh rate of 240Hz for example (although that’s at 1080p resolution), while Acer and Asus have both released monitors with 4K resolutions and refresh rates of 144Hz. LG does balance things out with support for other gaming-orientated features, though, including Black Stabilizer and Dynamic Action Sync (DAS) Mode.

That aside, the LG 43UD79-B is still a handy bit of kit. We don’t know official US release dates and prices, but it’s going on sale in Japan on May 19th, at around ¥‎83,000.

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