BenQ RD280UG: 28.2-inch 3:2 4K+ Monitor for Developers

BenQ has introduced the RD280UG, the second-generation model in its RD280 line. The monitor pairs a 28.2-inch 3:2 panel at 3,840 × 2,560 resolution with a 120Hz refresh rate, USB-C power delivery up to 90W, an integrated KVM switch and a rear MoonHalo bias light. The company positions the product for programmers, writers and creative professionals who need vertical screen space and text clarity.

The RD280UG uses an upgraded IPS-type panel with a claimed 2,000:1 contrast ratio and a Nano Matte anti-glare finish. The 3:2 aspect ratio yields a pixel density of about 163 ppi, which increases vertical workspace compared with standard 16:9 or 16:10 panels. The monitor offers picture modes for reading and coding and modes intended to improve legibility of text and documents.

A ring-shaped MoonHalo LED behind the screen provides bias lighting and works with an ambient light sensor and BenQ’s Visual Optimiser system to automatically adjust display brightness and the backlight’s color temperature. Built-in eye-care features include Low Blue Light, an Eye Reminder timer with selectable intervals, a Color Weakness option for red-green adjustments, Night Hours Protection that lowers brightness in low ambient light, and a Local Contrast mode that brightens dark tones to help with legibility. Review testing advised turning off the automatic color temperature control in Visual Optimiser to prevent an overly warm tint in daylight conditions.

Connectivity includes HDMI 2.1, DisplayPort 1.4 and an upstream USB-C port that supports DisplayPort Alt Mode and supplies up to 90W of power. A downstream USB-C port supplies 15W and supports MST daisy-chaining to feed a second monitor at full resolution and refresh rate. The monitor’s integrated KVM lets users share peripherals between two connected computers. BenQ places two USB-A ports, one USB-C port and a 3.5mm headphone jack under the front edge of the panel for quick access; that placement can block the lowest height position on some stands or create tight cable routing in some setups.

Measured performance for productivity use includes a peak brightness of about 345 cd/m² and a DisplayHDR 400 certification. Testing found DCI-P3 coverage near 87.5 percent against BenQ’s 95 percent claim. Color accuracy in User mode averaged a Delta E of 1.8 against a Display P3 target, while sRGB mode averaged about 1.48. Gamma measured around 2.1. The panel’s response time is specified at 5ms GtG, the refresh rate is 120Hz, and the monitor carries AMD FreeSync Premium; overdrive settings are adjustable for motion clarity.

Ergonomic adjustments include tilt, swivel, pivot and 150 mm of height travel. A small hotkey and a backlit function bar on the lower bezel provide quick switching between picture modes and eye-care features. The RD280UG ships with stereo speakers and BenQ’s workspace management software.

At launch the RD280UG was priced around £600. Conventional 27-inch 4K monitors on the market can match its pixel density at lower cost and some offer wider color gamuts. The RD280UG’s feature set includes its 3:2 layout, high pixel density, MoonHalo bias lighting, integrated KVM and USB-C power delivery.