AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red
Brand AOC
From
£179.00
+ £4.95 delivery
You save £91.04 (33%)
5 offers at 5 retailers
Listed since 7 April 2026
Compare prices
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Description
Specifications
| Display diagonal | 68.6 cm (27") |
| Display resolution | 3840 x 2160 pixels |
| HD type | 4K Ultra HD |
| Native aspect ratio | 16:9 |
| Display technology | LED |
| Panel type | Fast IPS |
| LED backlight | Yes |
| Backlight type | W-LED |
| Touchscreen | No |
| 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 |
| sRGB coverage (typical) | 124.7% |
| Adobe RGB coverage | 93.4% |
| DCI-P3 coverage | 95.9% |
| VESA Adaptive Sync support | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Market positioning | Gaming |
| Product colour | Black, Red |
| Frameless design | Yes |
| Front bezel colour | Black |
| Detachable stand | Yes |
| 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 |
| 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 |
| 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 |
| 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 |
| Package width | 825 mm |
| Package depth | 481 mm |
| Package height | 162 mm |
| Package weight | 9.95 kg |
| Cables included | AC, HDMI, DisplayPort |
| DisplayPort cable length | 1.8 m |
| HDMI cable length | 1.8 m |
| Doesn't contain | Mercury, PVC/BFR |
| 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 |
| Warranty period | 3 year(s) |
| Compliance certificates | CE |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
Full specifications
| Marque | AOC |
| Référence fabricant | u27g4r |
| EAN | 4038986682688 |
| État | Reconditionné |
Why choose the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red in 2026?
With the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red, AOC offers a solution suited to everyday needs in 2026. Available from 5 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers.
Technical analysis of the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red
Among the main strengths of the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red, the most notable are its competitive pricing from £183.95 and the recognition of the AOC brand. Buyers who have already used this type of product in the Informatique category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.
What the tech specs reveal
The AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Informatique category. AOC publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The AOC G4 Q27G4XF computer monitor 68.6 cm (27") 2560 x 1440 pixels Quad HD LED Black, Grey from the same brand may also interest you for a direct comparison.
In practice day to day
In daily use, the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red is designed to fit easily into the regular habits of Informatique users. AOC has optimised this model for regular use, with accessible features and simplified maintenance.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 3210 £ |
| Mid-range | 3210 £ to 7490 £ |
| High-end | Over 7490 £ |
Before buying the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Informatique category.
Frequently asked questions about AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red
Is the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red in stock?
Stock availability for the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.
Where can I buy the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red at the best price?
To buy the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red at the best price, compare all available offers in our table at the top of this page. The 5 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red compare to competitors in the Informatique category?
In the Informatique category, the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
Is the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red suitable for beginners?
Yes, the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red is generally appreciated by both beginners and regular users of the Informatique category. It is quick to set up and AOC usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.
Is there a refurbished version of the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red?
Refurbished versions of the AOC G4 U27G4R computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black, Red may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
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