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BenQ MOBIUZ EX321UX 144Hz ‘4K’ UHD Mini LED IPS with DP 1.2

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The higher end 32″ ‘4K’ gaming monitor market is dominated by OLED models, with a small number of LCD alternatives added into the mix. The BenQ MOBIUZ EX321UX is one such offering, with a ~32″ Mini LED IPS panel running at 144Hz and focusing on a bright HDR experience. The monitor includes HDMI 2.1 support to broaden its appeal to console gamers, allowing 120Hz ‘4K’ UHD output on devices such as the Xbox Series S and PS5. The screen has a primarily white plastic (so-called ‘aerodynamic’) stand with a few copper-coloured elements. The bottom bezel is dark matte plastic with a central sensor unit, allowing the monitor to respond to ambient lighting with its ‘Brightness Intelligence Plus Gen2’ (B.I.+ Gen2) feature, adjusting attributes such as brightness and colour temperature. The top and side bezels are dual-stage, with slim panel border flush with the rest of the screen plus thin hard plastic outer part. The OSD (On Screen Display) can be controlled using a bundled IR remote or a joystick beneath the central region of the bottom bezel.

Light-coloured 'aerodynamic' stand

A 31.5” IPS-type panel is adopted with 3840 x 2160 (‘4K’ UHD) resolution and 144Hz refresh rate. Adaptive-Sync is supported alongside HDMI 2.1 VRR, allowing technologies such as AMD FreeSync Premium Pro and Nvidia ‘G-SYNC Compatible’ to be used with 48 – 144Hz VRR range plus LFC. A matte anti-glare screen surface is used, whilst 1000:1 static contrast ratio, 178°/178° viewing angles and 10-bit colour are specified. A flicker-free Quantum Dot Mini LED backlight delivers a 99% DCI-P3 and 99% Adobe RGB colour gamut, with 700 cd/m² (1000 cd/m² HDR peak) typical maximum luminance and 1152 dimming zones. Twice as many dimming zones as the FALD backlight solution used on the X32 FP. This allows for a dynamic HDR experience – with 10-bit colour plus a suitably wide gamut, high brightness and the local dimming being attractive features there.

A 1ms grey to grey response time is specified, which should be approached with caution. The usual suite of well-tuned Low Blue Light (LBL) settings are also included to promote a more relaxing viewing experience. The stand attaches centrally and can be removed to reveal provision for 100 x 100mm VESA mounting. The included stand offers tilt, swivel and limited height adjustment (100mm or 3.94 inches). The ports mainly face backwards in a recessed area beneath the stand attachment point and include; DC power input (external ‘power brick’), 3 HDMI 2.1 ports (1 with eARC), DP 2.1, USB-C (65W PD, DP Alt Mode, upstream data), USB-C upstream and 2 USB-A 3.2 Gen 1 ports. A 3.5mm headphone jack, third USB-A 3.2 Gen 1 port and USB-C downstream (7.5W PD) port face downwards outside of the main port area, for easy access. The monitor supports KVM for easy display input switching and USB peripheral reassignment between 2 systems.

The light-coloured rear

Further details can be found on the manufacturer’s website. The monitor is listed for ~$1200 USD.

BenQ EX321UX