AOC Agon AG405UXC Review (40in Ultrawide)

Rating: 8.0.

We've reviewed plenty of ultrawide monitors over the years, but none quite like the AOC Agon AG405UXC. That's because this screen offers a 3440×1440 resolution over a 40in panel size, making it a good chunk bigger than the typical 34in ultrawides we are used to seeing. It's still sporting a 21:9 aspect ratio – so isn't on the same level as a 32:9 super-ultrawide – but at £530, you get a lot of screen for the money. Let's find out if it's any good.

Alongside its headline 40in screen size and 3440×1440 resolution, the AOC Agon AG405UXC is sporting a flat IPS panel with a claimed 1200:1 contrast ratio. It offers a 144Hz refresh rate, and a claimed 4ms GtG response time, alongside DisplayHDR 400 certification. Today we put it through its paces and find out what the AG405UXC has to offer at the £530 asking price.

Specification:

• SCREEN SIZE (INCH): 40
• SCREEN SIZE (CM): 100
• CURVATURE RADIUS: Flat
• DISPLAY HARDNESS: 3H
• PANEL TREATMENT: Antiglare (AG)
• PIXEL PITCH: 0.26925
• PIXELS PER INCH: 93.2
• PANEL RESOLUTION: 3440×1440
• RESOLUTION NAME: WQHD
• ASPECT RATIO: 21:9
• PANEL TYPE: IPS
• BACKLIGHT TYPE: WLED
• REFRESH RATE: 144 Hz
• RESPONSE TIME GTG: 4 ms
• RESPONSE TIME MPRT: 1 ms
• STATIC CONTRAST RATIO: 1200:1
• DYNAMIC CONTRAST RATIO: 80M:1
• VIEWING ANGLE (CR10): 178/178
• DISPLAY COLOURS: 16.7 Million
• SYNC TECHNOLOGY (VRR): Adaptive Sync
• HDR (HIGH DYNAMIC RANGE): Vesa Certified DisplayHDR™ 400
• MULTIVIEW (PBP, PIP): PbP, PiP
• KVM: 1x USB3.2 Gen 2 type C + 1x type B
• REMOVABLE STAND: ✓
• SPEAKERS: 5 W x 2
• VESA WALLMOUNT: 100×100
• TILT: -­3.5° ±1.5° ~ 21.5° ±1.5°
• HEIGHT ADJUST (MM): 150mm
• SWIVEL: ­-30° ±2° ~ 30° ±2°
• HDMI: HDMI 2.0 x 2
• DISPLAY PORT: DisplayPort 1.4 x 1
• USB-C CONNECTIVITY: USB-C 3.2 x 1 (DP alt mode, upstream, power delivery up to 90 W)
• USB HUB: USB 3.2 (Gen 1) (4 USB downstream ports) 5Gbit
• NET WEIGHT EXCL. PACKAGE (IN KG): 11.88
• PRODUCT WITHOUT STAND (KG): 9.53

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