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This compact 27-inch 4K screen with blazing 1200nits brightness sneaks in SDI connectivity built for true broadcast-grade workflows

Efosa Udinmwen

15 September 2025

SDI port on a 27-inch desk monitor feels strikingly out of place

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(Image credit: The Guru of 3D)

Asus ProArt PA27USD monitor delivers 1200 cd/m² brightness in a compact design
Unexpected SDI connectivity brings broadcast-grade workflows into an ordinary desk monitor
Asus balances broadcast-grade ambitions with everyday usability in the PA27USD

Asus has expanded its ProArt line with two new displays, but the smaller ProArt OLED PA27USD is the most interesting.

Positioned as a monitor for video editing, it combines high brightness, HDR support, and a professional port layout.
The ProArt OLED PA27USD features a 27-inch QD OLED panel running at 4K UHD (3840 x 2160) resolution.

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A compact screen with broadcast ambitions
This business monitor delivers peak brightness of 1200 cd/m² and supports both HDR10 and HLG formats.

These brightness levels are typically found in larger reference-grade monitors.
With this capability, it should be well-suited for video editing and photo editing, where accurate colors and consistent tone mapping are essential.
One unusual aspect of the PA27USD is its connectivity, which includes a 12G-SDI port.

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This port is normally limited to broadcast and studio equipment and can handle uncompressed video at 12Gbit/s.
Alongside this, Asus added two USB-C ports with Thunderbolt 4 support, each providing up to 96W of power delivery.
This allows a laptop to be powered, charged, and connected to the display through a single cable, reducing desktop clutter.

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These combined features suggest Asus is aiming to balance broadcast-grade flexibility with desk-friendly usability.
However, it remains uncertain how many standard workstation users will actually need SDI.
The company also released the larger ProArt Cinema PQ09U, a 162-inch microLED display with the same 1200 cd/m² peak brightness.
While Asus did not confirm resolution, it is assumed to be 4K UHD. Its real advantage lies in a pixel pitch of 0.93 mm.
This tighter pixel density helps the screen maintain sharpness even when viewed up close, which is important for film production environments, screening rooms, or large-scale design presentations.
Both the PA27USD and PQ09U target creative professionals, but while the former is positioned as a business monitor for those who need compact HDR performance with versatile I/O, the latter is designed for cinematic spaces where scale and clarity matter more than desk use.
At the time of writing, Asus has not announced availability dates or pricing, leaving early impressions based mainly on specifications rather than real-world performance.
Via The Guru of 3D
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Efosa Udinmwen

Freelance Journalist

Efosa has been writing about technology for over 7 years, initially driven by curiosity but now fueled by a strong passion for the field. He holds both a Master’s and a PhD in sciences, which provided him with a solid foundation in analytical thinking. Efosa developed a keen interest in technology policy, specifically exploring the intersection of privacy, security, and politics. His research delves into how technological advancements influence regulatory frameworks and societal norms, particularly concerning data protection and cybersecurity. Upon joining TechRadar Pro, in addition to privacy and technology policy, he is also focused on B2B security products. Efosa can be contacted at this email: udinmwenefosa@gmail.com

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