# Monitor AOC G4 U27G4R 27" Quad HD LED 3840 x 2160

**URL:** https://aio.lv/en/product--aoc-u27g4r--11444137
**Data updated:** 2025-12-04 15:40 (EET)
**Category:** Monitors
**Manufacturer:** AOC
**Manufacturer code:** U27G4R
**EAN:** 4038986682688
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 262.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 216.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aoc-u27g4r--11444137

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | Friday | 1.99 EUR |
| Courier delivery to door | Friday | 8.46 EUR |

## Summary description

The AOC G4 U27G4R is a 27-inch Quad HD LED monitor with a resolution of 3840 x 2160 pixels. It features a rapid 1 ms response time and a native aspect ratio of 16:9, ensuring smooth visuals. With a wide viewing angle of 178° both horizontally and vertically, it provides excellent clarity from various positions. The monitor includes a built-in USB hub (3.2 Gen 1) for easy connectivity and supports VESA mounting and height adjustment for ergonomic use. Its sleek black and red design adds a modern touch to any setup.

## Long description

The U27G4R Dual-Frame Monitor lets you switch between UHD at 160Hz and FHD at 320Hz to match your needs for gaming or content creation. It uses a Fast IPS panel with 1ms GtG and 0.5ms MPRT response times, supports HDR400 and AdaptiveSync for smooth visuals, and includes HDMI 2.1 for modern connectivity. The monitor’s ergonomic eSports base is designed for comfortable long sessions and flexible positioning.
Advantages
Switchable resolution and refresh-rate modes provide flexibility for high-detail work in UHD@160Hz or ultra-high refresh competitive play in FHD@320Hz. Fast IPS technology combined with 1ms GtG and 0.5ms MPRT minimizes motion blur and ghosting. HDR400 increases dynamic range for brighter highlights, and AdaptiveSync helps eliminate screen tearing. HDMI 2.1 ensures compatibility with current consoles and PCs that require high bandwidth.
Key specifications
Screen modes: UHD (3840×2160) @160Hz; FHD (1920×1080) @320Hz
Panel type: Fast IPS
Response times: 1ms GtG, 0.5ms MPRT
HDR: HDR400
AdaptiveSync: supported (G-Sync to be confirmed)
Inputs: HDMI 2.1 (plus other standard inputs as available)
Stand: ergonomic eSports base
How to use
Select the desired display mode in the monitor OSD or via connected device settings to switch between UHD@160Hz and FHD@320Hz. Use HDMI 2.1 for maximum bandwidth when connecting modern consoles or graphics cards. Adjust brightness, HDR and AdaptiveSync options through the on-screen menu to suit content type. Position the ergonomic eSports base for comfortable viewing height and angle during long sessions.
Recommendations
For competitive gaming, use FHD@320Hz with AdaptiveSync enabled and a compatible GPU or console. For content creation or detail-oriented work, choose UHD@160Hz and enable HDR400 where supported. Ensure your source device and cables support HDMI 2.1 for full performance.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 27 " |
| Display technology | LED |
| HD type | Quad HD |
| Panel type | Fast IPS |
| Display resolution | 3840 x 2160 |
| Response time | 1 ms |
| Contrast ratio (typical) | 1000:1 |
| Display brightness (typical) | 400 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Display diagonal (metric) | 68.6 cm |
| Native aspect ratio | 16:9 |
| Pixel density | 163 ppi |
| Display number of colours | 16.7 million colours |
| Backlight type | W-LED |
| Touchscreen | No |
| Anti-glare screen | Yes |
| Adobe RGB coverage | 93.4 % |
| LED backlight | Yes |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 400 |
| DCI-P3 coverage | 95.9 % |
| Response time (MPRT) | 0.3 ms |
| Response time measurement type | GTG (Gray to Gray) |

### Design

| Feature | Value |
|---|---|
| Screen shape | Flat |
| Product colour | Black, Red |
| Panel mounting interface | 100 x 100 |
| Market positioning | Gaming |
| Detachable stand | Yes |
| Front bezel colour | Black |
| Frameless design | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Headphone out | 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 version | 2.1 |
| DisplayPort version | 1.4 |

### Ergonomics

| Feature | Value |
|---|---|
| Swivel angle range | -30 - 30 |
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| Adjustable height (max) | 130 mm |

### Performance

| Feature | Value |
|---|---|
| sRGB coverage (typical) | 124.7 % |
| On Screen Display (OSD) | Yes |
| Picture-in-Picture | Yes |
| On Screen Display (OSD) languages | CHI (SIMPL), CHI (TR), CRO, CZE, DEU, DUT, ENG, ESP, FIN, FRE, ITA, JPN, KOR, POL, POR, RUS, SWE, TUR, UKR |
| Number of OSD languages | 19 |
| Low Blue Light technology | Yes |
| VESA Adaptive Sync support | Yes |

### Other features

| Feature | Value |
|---|---|
| Headphone outputs | 1 |
| Maximum refresh rate | 320 Hz |
| Digital horizontal frequency | 30 - 360 |
| Digital vertical frequency | 48 - 320 |
| Headphone connectivity | 3.5 mm |
| Power supply type | Internal |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Tilt angle range | -3.5 - 21.5 |
| Pivot | Yes |
| Swivelling | Yes |
| Pivot angle | -90 - 90 |
| Weight (without stand) | 4410 g |
| Height (without stand) | 366.31 mm |
| Depth (without stand) | 51.28 mm |
| Low input lag | Yes |
| FPS counter | Yes |
| Shadow control | Yes |
| Dial point | Yes |
| Motion blur reduction | Yes |
| Warranty period | 3 year(s) |

### Power

| Feature | Value |
|---|---|
| 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 (off) | 0.3 W |
| Power consumption (standby) | 0.5 W |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 6350 g |
| Width (with stand) | 613.9 mm |
| Height (with stand) | 516 mm |
| Depth (with stand) | 227.6 mm |
| Width (without stand) | 613.9 mm |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 9950 g |
| Package depth | 481 mm |
| Package height | 162 mm |
| Package width | 825 mm |

## FAQ

### How much does the Monitor AOC G4 U27G4R cost, and is it available for purchase?

The price is 262.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 566 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Tuesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Monitor AOC G4 U27G4R be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All AOC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AOC service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, hd type, panel type, display technology, response time, contrast ratio (typical), display brightness (typical), screen shape, built-in usb hub, vesa mounting, energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Monitor AOC G4 U27G4R?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11444137/66156660_large.webp