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header-product Monitor AOC G4 U27G4R 27" Quad HD LED 3840 x 2160
262.49 €

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

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Short 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.
Available at price 262.49 €: 29 pcs.
Total available for order: 389 pcs.
Warranty: 3 Years
SKU: 11444137
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Unisend LV

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Cost

1.79 €

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Product information

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 diagonal: Size of the display for this product, measured diagonally, usually in inches.
27 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.
3840 x 2160
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).
Quad HD
Panel type:
Fast IPS
Display technology: The technology used in the display e.g. plasma, LED.
LED
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.
0.5 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
34 W
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
F
VESA mounting:
Yes
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.
1
Headphone out: The socket for connecting headphones to the device.
Yes
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
2
Built-in USB hub: Whether or not the device features a USB hub to connect more than one other device via USB.
Yes
Market positioning: Under which category can the device be positioned in the market, e.g. camera phone.
Gaming
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.
No
Product colour: The colour e.g. red, blue, green, black, white.
Black, Red
All features

Other features

DCI-P3 coverage:
95.9 %
Power supply type: The type of power supply which this product uses.
Internal
Cable lock slot: Holes on the edge of devices through which a cable lock can be passed, so the device can be locked to a desk etc.
Yes
Height adjustment: The part of the device that can be adjusted to change the height.
Yes
Tilt angle range:
-3.5 - 21.5
Headphone outputs: Number of sockets /ports where headphones are connected.
1
Pivot:
Yes
Digital horizontal frequency:
30 - 360
Digital vertical frequency:
48 - 320
Headphone connectivity: How headphones connect to a device e.g. wirelessly or via a cable and connector.
3.5 mm
Swivelling:
Yes
Backlight type:
W-LED
Pivot angle:
-90 - 90
Weight (without stand):
4410 g
Height (without stand):
366.31 mm
Depth (without stand):
51.28 mm
Maximum refresh rate:
320 Hz
Motion blur reduction:
Yes
Shadow control:
Yes
Dial point:
Yes
FPS counter:
Yes
Low input lag:
Yes

Technical details

Warranty period:
3 year(s)

Packaging content

Tilt adjustment: The tilt, which means the angle at which the device is pointing (up or down), can be changed.
Yes

Weight & dimensions

Weight (with stand):
6350 g
Height (with stand):
516 mm
Depth (with stand):
227.6 mm
Width (with stand):
613.9 mm
Width (without stand):
613.9 mm

Packaging data

Package weight: Weight of the packaged product.
9950 g
Package height: The distance from the top to the bottom of the packaging.
162 mm
Package depth: The distance from the front to the back of the packaging.
481 mm
Package width: The distance from one side of the packaging to the other.
825 mm

Power

Energy efficiency scale: Range of energy efficiency levels classifying devices from most to least energy-efficient.
A to G
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
50 kWh
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
25 kWh
Power consumption (off):
0.3 W
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.
0.5 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
34 W
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
F

Ergonomics

Swivel angle range:
-30 - 30
Adjustable height (max):
130 mm
Cable lock slot type:
Kensington
VESA mounting:
Yes

Ports & interfaces

DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.
1
HDMI version:
2.1
Headphone out: The socket for connecting headphones to the device.
Yes
DisplayPort version:
1.4
USB Type-A downstream ports quantity:
4
Number of upstream ports:
1
USB upstream port type:
USB Type-B
USB hub version:
3.2 Gen 1 (3.1 Gen 1)
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
2
Built-in USB hub: Whether or not the device features a USB hub to connect more than one other device via USB.
Yes

Design

Panel mounting interface: The product can be used wih VESA mounting interfaces.
100 x 100
Screen shape:
Flat
Detachable stand:
Yes
Front bezel colour:
Black
Frameless design:
Yes
Product colour: The colour e.g. red, blue, green, black, white.
Black, Red
Market positioning: Under which category can the device be positioned in the market, e.g. camera phone.
Gaming

Performance

On Screen Display (OSD):
Yes
On Screen Display (OSD) languages:
Simplified Chinese, Traditional Chinese, Croatian, Czech, German, Dutch, English, Spanish, Finnish, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Turkish, Ukrainian
Number of OSD languages:
19
Picture-in-Picture: Picture-in-picture (PiP) is a feature of some television receivers and similar devices. One program (channel) is displayed on the full TV screen at the same time as one or more other programs are displayed in inset windows. Sound is usually from the main program only.
Yes
Low Blue Light technology:
Yes
VESA Adaptive Sync support:
Yes

Display

High Dynamic Range (HDR) supported:
Yes
Display diagonal (metric): This is the size of the display screen, measured diagonally.
68.6 cm
Display number of colours:
16.7 million colours
Viewing angle, vertical: Maximum vertical angle at which a display can be viewed with acceptable visual performance.
178 °
Viewing angle, horizontal: Maximum horizontal angle at which a display can be viewed with acceptable visual performance.
178 °
Contrast ratio (typical): The difference in light intensity between the brightest white and the darkest black.
1000:1
Response time: The response time is the time difference between the moment that a source (for example a video card) sends a signal and that equipment (for example a monitor) receives or display the signal. (Used abbreviations: R/F = Rise and Fall.)
1 ms
Native aspect ratio: The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.
16:9
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.
No
Adobe RGB coverage:
93.4 %
sRGB coverage (typical):
124.7 %
High Dynamic Range (HDR) technology:
DisplayHDR 400
Pixel density:
163 ppi
Anti-glare screen: Always gives an optimal view, even in direct sunlight.
Yes
Response time (MPRT):
0.3 ms
Response time measurement type:
GTG (Gray to Gray)
Display brightness (typical): Display brightness, measured by its Luminance, presented as a figure in nits. Typical brightness ratings for monitors range from 250 to 350 nits with a target value of between 80 to 120 nits being suitable for most displays in a normal viewing environment.
400 cd/m²
Panel type:
Fast IPS
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).
Quad HD
LED backlight: A backlight is a form of illumination used in liquid crystal displays (LCDs). One type of backlight is made by LEDs, which can be either white or RGB (red green blue). White LEDs are used most often in notebooks and desktop screens, and in virtually all mobile LCD screens. RGB LEDs for backlighting are found in high-end color proofing displays such as HP DreamColor LP2480zx monitor or selected HP EliteBook notebooks, as well as newer consumer grade displays such as Dell's Studio series laptops which have an optional RGB LED display.
Yes
Display technology: The technology used in the display e.g. plasma, LED.
LED
Display diagonal: Size of the display for this product, measured diagonally, usually in inches.
27 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.
3840 x 2160

Reasons to buy

HDMI 2.1
The latest standard in HDMI technology further boosts higher refresh rates and resolution. This not only opens new doors for watching content, but also for gamers: HDMI 2.1 enables next generation consoles to reach their maximum performance.
USB Hub
Built-in USB hubs in AOC’s monitors bring ease of use and practicality to your desk. Side mounted ports are easily reachable without even looking at them; negating time wasted searching the backside of a PC case to find a free USB port.
USB Hub

Ergonomic design

Ergonomic stand to maintain comfort and prevent strain during long gaming sessions. It offers a wide range of motion and easy height, tilt, and swivel adjustments, accommodating the proper ergonomics and your personal preferences.
Ergonomic design
E-sports monitor stand
Our new stand, co-designed with eSports professionals, lets you maximize free space for all your peripherals. The monitor base is designed to reduce the footprint on your desk and even allows you to place your keyboard on top. The stand includes cable management to keep your desk tidy. No matter what genre you compete in, we want you to feel like a pro.
E-sports monitor stand
0.5ms MPRT - Moving Picture Response Time
MPRT stands for Moving Picture Response Time. MPRT technology temporarily controls the monitor backlight during frame changes. By reducing the time a frame is visible, "ghosting" and blurring effects are reduced, resulting in a smoother, more fluid gaming experience.
0.5ms MPRT - Moving Picture Response Time
1ms Response time GTG - Grey-to-Grey
GtG stands for Grey-to-Grey and indicates how long a pixel takes to change from one grey level to another. In gaming, every millisecond matters and can be the difference between landing or missing a shot. A fast response time also reduces ghosting and motion blur.
1ms Response time GTG - Grey-to-Grey
Fast IPS
Unlock your gaming potential with Fast IPS panels that offer rapid pixel response times down to 1ms GtG. Say goodbye to motion blur and enjoy sharper images that improve targeting precision and performance in fast-paced games. Fast IPS also delivers vivid colors and wide viewing angles for an immersive experience.
Fast IPS
FHD Resolution
Want to watch a Blu-ray movie in full quality, enjoy games in high resolution, or read crisp text in office applications? With a Full HD resolution of 1920 x 1080 pixels, this monitor displays content with clear detail without requiring a high-end graphics card or consuming excessive system resources.
VESA Certified DisplayHDR™ 400
Even the entry-level High Dynamic Range (HDR) feature is a notable upgrade over standard monitors. A peak luminance of 400 cd/m² enhances picture quality with a broader color spectrum and greater contrast. The VESA certification ensures richer detail and more realistic representation of game and film scenes.
Vesa Certified DisplayHDR™ 400

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Energy label

Energy label
U27G4R
Model

Device manufacturer code

AOC
Manufacturer

Device manufacturer

0.5 W
Power consumption (standby)

The amount of electricity that is consumed when the product is on standby.

34 W
Power consumption (typical)

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

G
Energy efficiency class (HDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

F
Energy efficiency class (SDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

1
DisplayPorts quantity

Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

Yes
Headphone out

The socket for connecting headphones to the device.

2
HDMI ports quantity

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

Yes
Built-in USB hub

Whether or not the device features a USB hub to connect more than one other device via USB.

Gaming
Market positioning

Under which category can the device be positioned in the market, e.g. camera phone.

No
Touchscreen

A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.

Quad HD
HD type

Type of supported High Definition (e.g. Full HD, 4K Ultra HD).

LED
Display technology

The technology used in the display e.g. plasma, LED.

27 "
Display diagonal

Size of the display for this product, measured diagonally, usually in inches.

3840 x 2160
Display resolution

The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.

Black, Red
Product colour

The colour e.g. red, blue, green, black, white.

Customer reviews

Customer questions

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 — 389 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 Tomorrow 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. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Monitor AOC G4 U27G4R online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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, power consumption (standby), power consumption (typical), energy efficiency class (hdr), energy efficiency class (sdr), vesa mounting, displayports quantity, headphone out, hdmi ports quantity, built-in usb hub, market positioning, touchscreen, 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.
warranty
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