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ASUS ROG Strix XG438Q Now Available

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The world's biggest 4K UHD FreeSync 2 HDR gaming monitor, with 43” panel, DisplayHDR 600 certification, 90% DCI-P3 colour gamut and 120Hz refresh rate


  • Big-screen gaming: Huge 43-inch, anti-glare 4K UHD display with DisplayHDR 600 certification and pro-grade 90% DCI-P3 colour gamut
  • Ultra-fluid performance: Radeon FreeSync 2 HDR technology and 120Hz refresh rate deliver super-smooth, tear-free gaming visuals
  • Remote-controlled entertainment: Included zapper for fast adjustment of volume, brightness, contrast, input source and other essential settings

London, UK, August 2, 2019 — ASUS Republic of Gamers (ROG) today announced the ROG Strix XG438Q, the world's biggest and fastest 4K UHD FreeSync 2 HDR gaming monitor, offering the perfect balance of smooth visuals and high contrast HDR performance for incredibly immersive gameplay. The new display features a 43-inch 4K UHD panel with an astonishing 120Hz refresh rate, high-dynamic-range (HDR) technology with 90% DCI-P3 professional colour gamut coverage and exceptional contrast for DisplayHDR TM 600 certification, plus support for AMD Radeon TM FreeSync TM 2 HDR technology.

Strix XG438Q also includes GameFast Input technology for responsive, lag-free control that heightens gameplay experiences and gives games a vital edge over their opponents.

Big-screen, no-distraction gaming and entertainment in full 4K HDR glory

The standout feature of Strix XG438Q is its vast 43-inch panel, which delivers big-screen gaming and entertainment experience without sacrificing the high- and variable-refresh-rate technologies usually found only in smaller panels.

Strix XG438Q also has a special anti-glare coating to deliver a consistent viewing experience across the display under all types of indoor lighting conditions, enabling the enjoyment of on-screen content without distraction – making the display perfect for everything from fast-action gaming to kicking back to watch a movie.

Ultra-fluid performance for super-smooth gameplay, and superb colour accuracy

Strix XG438Q is loaded with technology to deliver world-leading gaming experiences and superior visual fidelity on a 43-inch display. The ultrafast 120Hz refresh rate, ensures that even the fastest-paced games played at the highest visual settings remain buttery-smooth and completely lag-free. The display also features Radeon TM FreeSync TM 2 HDR technology to render buttery-smooth visuals with low latency and improved brightness and contrast. In particular, FreeSync 2 stipulates low-latency processing for both standard and HDR content, reducing the input lag typically associated with HDR content. ASUS-exclusive GameFast Input technology further reduces input lag, by providing faster motion delivery so gamers are always up to speed with the action – affording them precious extra milliseconds to respond.

Brilliant brightness, contrast and colour accuracy are also cornerstones of Strix XG438Q. The display supports HDR technology across a range of luminance up to 700cd/m2to deliver a wider colour range and higher contrast than traditional monitors – so the brightest whites and the darkest blacks bring out details like never before. Strix XG438Q also delivers DCI-P3 90% colour gamut and contrast performance that meets the requirement for DisplayHDR TM 600 certification, making it ideal for professional design endeavors.

Ready for kick-back entertainment, with included remote control and integrated speakers

Strix XG438Q’s expansive 4K UHD panel lends itself to enjoyment of all kinds of entertainment, from gaming to television and movies. The included remote control makes it easy to manage the monitor’s output, enabling at-a-distance control of the on-screen display (OSD) to make quick adjustments to brightness, contrast, input source and other settings. The remote zapper also includes volume-control buttons – perfect for fine-tuning the output of Strix XG438Q’s integrated 10W stereo speakers.


ASUS ROG Strix XG438Q will be available from UK retailers towards the end of August. Please contact your local ASUS representative for further information.

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Panel Size (diagonal) 43“ (109.22 cm), Wide Screen (16:9)

Panel Backlight/ WLED / VA (non-glare)

Colour Saturation 125% sRGB, DCI-P3 90%

Resolution/ Refresh 3840 x 2160 @ 120Hz 

Brightness 700 cd/m2(Typical)

Response Time 4ms (Gray to Gray)

HDR   DisplayHDR 600, FreeSync 2 HDR

Input / Output HDMI (v2.0) x 3, DP (v1.4) x 1 (DP support Adaptive-Sync / FreeSync 2 HDR), audio-in, earphone jack, USB 3.0 x 2

Stereo Speakers 10W x 2 stereo, RMS

Dimensions 974.58 x 631.31 x 242.19 cm

Weight 15.3 kg (net), 22.8 kg (gross)

Special Features FreeSync 2 HDR,DisplayHDR 600, Shadow Boost, DisplayWidget, GameFast Input technology, Picture by Picture, Picture in Picture, Aura Sync

Specifications, content and product availability are all subject to change without notice and may differ from country to country. Actual performance may vary depending on applications, usage, environment and other factors. Full specifications are available at

About ROG

Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. Learn more about the choice of champions at