AOC G4 – 27" 4K UHD 320Hz Monitor (U27G4R)
£274.99
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Key specs
- Display diagonal68.6 cm (27")
- Display resolution3840 x 2160 pixels
- Panel typeFast IPS
- Response time1 ms
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Overview
- 68.6 cm (27") Black, Red
- Height adjustment 13 cm
- USB upstream port type: USB Type-B HDMI HDMI version: 2.1 DisplayPorts quantity: 1 DisplayPort version: 1.4
- Screen shape: Flat
- Maximum refresh rate: 320 Hz Response time: 1 ms Response time measurement type: GTG (Gray to Gray) Response time (MPRT): 0.3 ms
- 3840 x 2160 pixels 4K Ultra HD Panel type: Fast IPS
- Energy efficiency class (SDR): F CE
- Warranty period: 3 year(s)
Dominate your gaming experience with the U27G4R Dual-Frame Monitor, a cutting-edge display offering ultimate flexibility between UHD at 160Hz and FHD at 320Hz.
Meet the U27G4R Dual-Frame Monitor, featuring the ability to switch between UHD@160Hz and FHD@320Hz resolutions and refresh rates for ultimate versatility in gaming and content creation. With a Fast IPS panel, 1ms GtG, and 0.5ms MPRT, enjoy ultra-responsive performance and vibrant visuals. HDR400 and G-Sync Compatible ensure smooth, tear-free action, while HDMI 2.1 provides superior connectivity. The ergonomic eSports base design offers comfort during long sessions, making the U27G4R perfect for seamless multitasking and immersive gaming.
Specifications
Display
| Display diagonal | 68.6 cm (27") |
|---|---|
| Display resolution | 3840 x 2160 pixels |
| Native aspect ratio | 16:9 |
| Display technology | LED |
| Touchscreen | No |
| HD type | 4K Ultra HD |
| Panel type | Fast IPS |
| LED backlight | Yes |
| Backlight type | W-LED |
| Display brightness (typical) | 400 cd/m² |
| Response time | 1 ms |
| Response time measurement type | GTG (Gray to Gray) |
| Response time (MPRT) | 0.3 ms |
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Contrast ratio (dynamic) | 80000000:1 |
| Maximum refresh rate | 320 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 16.7 million colours |
| Pixel density | 163 ppi |
| Digital horizontal frequency | 30 - 360 kHz |
| Digital vertical frequency | 48 - 320 Hz |
| Display diagonal (metric) | 68.6 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 400 |
| Colour gamut standard | Adobe RGB, DCI-P3, sRGB |
| sRGB coverage (typical) | 124.7% |
| Adobe RGB coverage | 93.4% |
| DCI-P3 coverage | 95.9% |
Performance
| VESA Adaptive Sync support | Yes |
|---|---|
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
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Design
| Market positioning | Gaming |
|---|---|
| Product colour | Black, Red |
| Frameless design | Yes |
| Front bezel colour | Black |
| Detachable stand | Yes |
Ports & interfaces
| Built-in USB hub | Yes |
|---|---|
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-B |
| Number of upstream ports | 1 |
| USB Type-A downstream ports quantity | 4 |
| HDMI | Yes |
| HDMI ports quantity | 2 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone out | Yes |
| Headphone outputs | 1 |
| Headphone connectivity | 3.5 mm |
| HDCP | Yes |
| HDCP version | 1.4/2.2 |
Ergonomics
| VESA mounting | Yes |
|---|---|
| Panel mounting interface | 100 x 100 mm |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | Yes |
| Adjustable height (max) | 13 cm |
| Pivot | Yes |
| Pivot angle | -90 - 90° |
| Swivelling | Yes |
| Swivel angle range | 30 - 30° |
| Tilt adjustment | Yes |
| Tilt angle range | 3.5 - 21.5° |
| Picture-in-Picture | Yes |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Simplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian |
| Number of OSD languages | 19 |
Power
| Energy efficiency class (SDR) | F |
|---|---|
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 25 kWh |
| Energy consumption (HDR) per 1000 hours | 50 kWh |
| Power consumption (typical) | 34 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (off) | 0.3 W |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
Weight & dimensions
| Width (with stand) | 613.9 mm |
|---|---|
| Depth (with stand) | 227.6 mm |
| Height (with stand) | 516 mm |
| Weight (with stand) | 6.35 kg |
| Width (without stand) | 613.9 mm |
| Depth (without stand) | 51.3 mm |
| Height (without stand) | 366.3 mm |
| Weight (without stand) | 4.41 kg |
Packaging content
| Cables included | AC, HDMI, DisplayPort |
|---|---|
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
Sustainability
| Doesn't contain | Mercury, PVC/BFR |
|---|
General
| Product family | G4 |
|---|
Other features
| Brand specific technologies | Crosshair |
|---|---|
| Low input lag | Yes |
| FPS counter | Yes |
| Dial point | Yes |
| Shadow control | Yes |
| Motion blur reduction | Yes |
| Local dimming | Yes |
| Bezel thickness type | Frameless |
| Compliance certificates | CE |
| Warranty period | 3 year(s) |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
Technical details
| Native refresh rate | 60 Hz |
|---|
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
