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header-product Monitor AOC G4 CQ27G4X 27" LCD Quad HD 2560 x 1440
177.99 €

Monitor AOC G4 CQ27G4X 27" LCD Quad HD 2560 x 1440

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Monitor AOC G4 CQ27G4X Photo 1
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Short description

The AOC G4 CQ27G4X is a 27-inch Quad HD LCD monitor with a resolution of 2560 x 1440 pixels. It features a rapid response time of 0.5 ms and a native aspect ratio of 16:9, ensuring smooth visuals for gaming and multimedia. With a wide viewing angle of 178° both horizontally and vertically, this monitor provides excellent image quality from various positions. The height adjustment feature allows for ergonomic setup, making it a great choice for any workspace.
Available for order: 7 pcs.
Warranty: 2 Years
Stāvoklis: Open box

Open Box - A completely new device without any defects. Opened packaging.

SKU: 10992576
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
17.08.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.08.2026 {{selectedOffer.courierDeliveryString}}
From 8.02 € (Weight: 9.33 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.79 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
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Product information

Description

Restart your gaming session with the AOC CQ27G4X, a 27-inch QHD curved monitor designed for immersive gameplay. The 2560x1440 resolution and 1500R curvature provide a wide, detailed field of view, while the VA panel and HDR10 support deliver high contrast and vivid colors. The monitor’s fast response characteristics and 180Hz refresh rate reduce motion blur for smoother action.

Advantages

The CQ27G4X combines a 27-inch QHD curved screen with a high 180Hz refresh rate and a 0.5 ms MPRT response time to minimize ghosting and provide fluid motion. HDR10 support enhances dynamic range, and the VA panel offers deep blacks and strong contrast. An adjustable eSports-style stand allows height customization for comfortable long sessions, and the G-Menu software enables on-screen tuning of settings.

Key specifications

  • Model: AOC CQ27G4X
  • Screen size: 27 inches
  • Resolution: 2560 x 1440 (QHD)
  • Panel type: VA
  • Curve: 1500R
  • Refresh rate: 180 Hz
  • Response time: 0.5 ms MPRT (up to 1 ms GtG)
  • HDR: HDR10 support
  • Stand: height-adjustable eSports base
  • Software: G-Menu for on-screen customization

How to use

Place the monitor on a stable desk and adjust the height of the eSports stand to align the screen with your eye level. Connect the monitor to your PC or console using the recommended display cable that supports QHD at 180 Hz. Enable the desired refresh rate and response-time settings in your graphics driver and use G-Menu to calibrate color, contrast, and on-screen display options. For HDR content, enable HDR support in both the monitor menu and the source device.

Recommendations

To achieve the best performance, use a graphics card and cables that support 2560x1440 at 180 Hz. Keep the monitor firmware and G-Menu software updated, and position the display at a comfortable viewing distance to fully benefit from the 1500R curvature and VA panel contrast.

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.
2560 x 1440
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).
Quad HD
Panel type:
Fast VA
Display technology: The technology used in the display e.g. plasma, LED.
LCD
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.
26 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
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: 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
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.
No
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
All features

Other features

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
Yes
Viewable size, horizontal: The viewable size is often somewhat smaller than the actual size of a monitor, because there is a border around the image.
596.736 mm
Viewable size, vertical:
335.664 mm
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 - 21
Headphone outputs: Number of sockets /ports where headphones are connected.
1
Input current:
1.5
AC (power) in:
Yes
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
Weight (without stand):
3970 g
Height (without stand):
367.64 mm
Depth (without stand):
78.68 mm
Maximum refresh rate:
180 Hz
Compatibility: The other products, software and hardware this product can be used with.
PS5, Xbox X, Xbox 5
Motion blur reduction:
Yes
Shadow control:
Yes
Dial point:
Yes
FPS counter:
Yes
Low input lag:
Yes

Operational conditions

Non-operating altitude:
0 - 12192
Operating altitude:
0 - 5000
Storage relative humidity (H-H):
5 - 93
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-25 - 55
Operating relative humidity (H-H):
10 - 85
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40

Packaging content

Cables included:
AC, DisplayPort, HDMI
Tilt adjustment: The tilt, which means the angle at which the device is pointing (up or down), can be changed.
Yes
Power adapter included:
Yes

Weight & dimensions

Weight (with stand):
5910 g
Height (with stand):
515.8 mm
Depth (with stand):
227.6 mm
Width (with stand):
611.5 mm
Width (without stand):
611.52 mm

Packaging data

Package weight: Weight of the packaged product.
9330 g
Package height: The distance from the top to the bottom of the packaging.
480 mm
Package depth: The distance from the front to the back of the packaging.
188 mm
Package width: The distance from one side of the packaging to the other.
840 mm

Power

European Product Registry for Energy Labelling (EPREL) code:
2005901
Energy efficiency scale: Range of energy efficiency levels classifying devices from most to least energy-efficient.
A to G
AC input frequency:
50/60
AC input voltage: The voltage of the AC electricity that is inputted into the product.
100 - 240
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
45 kWh
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
25 kWh
Power consumption (max): The maximum amount of power used by the device.
52 W
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.
26 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:
-28 - 28
Adjustable height (max):
120 mm
Cable lock slot type:
Kensington
Cable management: Description of improved cable management
Yes

Ports & interfaces

HDCP version:
2.2
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:
2.0
Headphone out: The socket for connecting headphones to the device.
Yes
DisplayPort version:
1.4
HDMI: 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
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.
No

Design

Screen shape:
Curved
Detachable stand:
Yes
Front bezel colour:
Black
Frameless design:
Yes
Product colour: The colour e.g. red, blue, green, black, white.
Black
Market positioning: Under which category can the device be positioned in the market, e.g. camera phone.
Gaming

Performance

HDCP: High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection to prevent copying of digital audio and video content as it travels across connections.
Yes
On Screen Display (OSD):
Yes
On Screen Display (OSD) languages:
German, Dutch, English, Spanish, Italian, Swedish, Japanese, Polish, Portuguese, Turkish, Simplified Chinese, Finnish, Korean, Ukrainian, Traditional Chinese, French, Russian, Croatian, Czech
Number of OSD languages:
19
Game mode:
Yes
Low Blue Light technology:
Yes
Flicker-free technology:
Yes
VESA Adaptive Sync support:
Yes

Display

Horizontal scan range:
30 - 270
Vertical scan range:
48 - 180
High Dynamic Range (HDR) supported:
Yes
Display diagonal (metric): This is the size of the display screen, measured diagonally.
68.58 cm
Pixel pitch: This is the parameter of a picture tube, which specifies the shortest distance between two dots of the same colour. The principle is: the smaller the dot pitch, the better sharpness of image.
0.233 x 0.233
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 (dynamic): A property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.
80000000:1
Contrast ratio (typical): The difference in light intensity between the brightest white and the darkest black.
4000:1
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.)
0.5 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:
89.2 %
sRGB coverage (typical):
127.8 %
DDC/CI:
Yes
High Dynamic Range (HDR) technology:
High Dynamic Range 10 (HDR10)
Screen curvature rating:
1500R
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.
300 cd/m²
Panel type:
Fast VA
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.
LCD
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.
2560 x 1440

Reasons to buy

GMENU

AOC G-Menu is a free tool that you can install on your PC to have complete customization paired with maximum convenience.

E-sports monitor stand

Our new stand, co-designed with eSports professionals, lets you maximize free space for all your peripherals. The base of the monitor 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.

1500R Curved

The curved design wraps around you, putting you at the center of the action and providing an immersive gaming experience.

Height adjustable Stand

Raise or lower the screen to suit each individual's height and seating preferences. The easy-to-adjust stand ensures hours of comfort.

Low Input Lag

Unleash your reflexes by switching to the AOC Low Input Lag mode. Forget graphical frills: this mode configures the monitor to prioritize raw response time, giving the ultimate edge in hair-trigger stand-offs.

180Hz Refresh Rate

Competitive and intense gaming demands top technology to ensure lag-free, smoother play. This AGON by AOC monitor features a 180Hz refresh rate, making it 3× faster than a standard display. Lower frame rates can make enemies appear to jump from spot to spot on the screen, making them difficult targets to hit. A 180Hz frame rate restores those critical missing images, showing enemy movements in ultra-smooth motion and making them easier to target. With this AGON by AOC gaming monitor, you won't have to tolerate input lag and screen tearing.

0.5ms MPRT - Moving Picture Response Time

MPRT stands for Moving Picture Response Time. MPRT technology momentarily disables and enables your monitor backlight during picture changes. By reducing the time a frame is shown on the monitor, ghosting and blurring effects are reduced, resulting in a smoother, more fluid-feeling gaming experience.

1ms Response time GTG - Grey-to-Grey

GTG stands for Grey-to-Grey and indicates how long it takes for one pixel to change from one gray level to the next. In gaming, every millisecond counts and can be the difference between hitting or missing a shot. Fast response time also eliminates ghosting and motion blur.

QHD Resolution

With 2560 x 1440 resolution, Quad HD (QHD) offers superior picture quality and sharp imagery that reveals the finest details. The widescreen 16:9 aspect ratio provides ample space to spread out and work, and lets you enjoy games or movies in their original size.

Live the game at its best with HDR10

HDR10 further enhances picture quality by improving synchronization between your GPU or console and the monitor. This creates a more realistic, immersive, and smooth gaming experience — you’ll feel immersed in the game, frame by frame.

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Energy label

Energy label
CQ27G4X
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.

26 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.

Yes
HDMI

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
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.

No
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).

LCD
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.

2560 x 1440
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
Product colour

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

Customer reviews

Customer questions

FAQ

How much does the Monitor AOC G4 CQ27G4X cost, and is it available for purchase?

The price is 177.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 17.08.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Monitor AOC G4 CQ27G4X 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 CQ27G4X 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), displayports quantity, headphone out, hdmi, 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 CQ27G4X?

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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