BenQ MOBIUZ EX321UX Announced with 4K 144Hz IPS Panel and 1,152-zone Mini LED Backlight

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BenQ have recently announced their first 4K gaming monitor in their MOBIUZ line-up, the 31.5” sized EX321UX. It’s listed for release in Japan initially from May 2024 and will hopefully be made available more widely later on. It’s got a Mini LED backlight and a range of impressive specs and features.


The screen is 31.5” in size and built around an IPS-type panel. This offers a 3840 x 2160 “4K” resolution, 1ms G2G response time spec, 1000:1 contrast ratio, 178/178 viewing angles, 10-bit colour depth support and a wide colour gamut covering 99% DCI-P3 and 99% Adobe RGB. The screen has a 144Hz refresh rate as well with support for adaptive-sync for variable refresh rates from compatible NVIDIA and AMD systems. The stand will provide tilt, height and swivel adjustments.

Mini LED backlight

One of the key features of the new monitor is its 1,152-zone Mini LED backlight, offering impressive local dimming capabilities for HDR. This backlight allows for a 1000 nits peak brightness spec, along with associated improvements to contrast ratio and black depth. Along with the support for 10-bit colour depth and a wide colour gamut this should allow the screen to conform to the VESA DisplayHDR 1000 tier once released.

Audio capabilities

In terms of sound, which is one of the features of the MOBIUZ series, it has been expanded to a maximum of 7.1 channels for more three-dimensional and realistic sound, and supports eARC, which can transmit stereophonic audio signals such as Dolby Atmos and DTS:X. In addition, it supports HDMI CEC and allows you to control the volume of devices connected via HDMI with the included remote control. Note that this model doesn’t include any integrated speakers though.


In terms of connectivity, it has a USB Type-C port that supports DisplayPort Alt Mode and fast charging up to 65W. In addition, it supports KVM, which allows you to control multiple devices connected to the monitor with a keyboard and mouse. Apparently the screen will also feature 3x HDMI 2.1 ports (capabilities not listed) and even DisplayPort 2.1 (UHBR speeds and capabilities not listed). 1x USB-C and 3x USB data ports are expected as well.

Pricing and Availability

The EX321UX is expected to be released in May 2024 in Japan, but there’s no word at the moment on availability in other regions. More info when we get it.

Source: BenQ Japan

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