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ASUS - ROG Strix 27" 4K OLED 240Hz 0.03ms Gaming Monitor with FreeSync Premium Pro and HDR (DisplayPort, HDMI) - Black

Model: XG27UCDMG
SKU: 6616979
$979.99
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Highlights

  • Key Specs
    • Refresh Rate: 240Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 3840 x 2160 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Response Time: 0.03 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Panel Type: Not Applicable (Technology that affects response time and image quality.)
    • Synchronization Technology: FreeSync Premium Pro (AMD Adaptive Sync), G-SYNC Compatible (NVIDIA Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Screen Size: 27 inches (Size of the screen, measured diagonally from corner to corner.)
    • OLED Technology: QD-OLED
    • Display Connector(s): 1 x DisplayPort 1.4, 2 x HDMI 2.1, Display connection via USB port (The number and type of connectors used to connect to an external display.)
  • General
    • Brand: ASUS
    • Model Number: XG27UCDMG
    • Product Name: ROG Strix 27" 4K OLED 240Hz 0.03ms Gaming Monitor with FreeSync Premium Pro and HDR (DisplayPort, HDMI)
    • Color: Black
    • Operating System Compatibility: Windows, Mac, Chrome, Linux
  • Display
    • Refresh Rate: 240Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 3840 x 2160 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Native Resolution: 3840 x 2160 (Native resolution of a screen refers to its single, fixed resolution. Sometimes screens must scale an image up or down in order to fit the native resolution. This can cause a loss of resolution or detail.)
    • Contrast Ratio: 1,500,000:1 (Measured difference between a displayed image's brightest whites and darkest blacks. The larger the first number, the more detail and color that can be displayed.)
    • Response Time: 0.03 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Display Type: OLED
    • Panel Type: Not Applicable (Technology that affects response time and image quality.)
    • Synchronization Technology: FreeSync Premium Pro (AMD Adaptive Sync), G-SYNC Compatible (NVIDIA Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Aspect Ratio: 16:9 (The measurement of the width of a screen compared to the height of a screen, expressed as a ratio.)
    • Curved Screen: false
    • Brightness: 250 candela per square meter (A measure of the total light output.)
    • Screen Size: 27 inches (Size of the screen, measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: HDR 10, VESA Certified DisplayHDR 400 True Black (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • Horizontal Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from either side.)
    • Vertical Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from above or below.)
    • Touch Screen: false (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
    • On-Screen Display Languages: English (The available language options for displayed text.)
    • Display Surface: Anti-reflective
    • OLED Technology: QD-OLED
  • Connectivity
    • Number of DisplayPort Inputs (Total): 1
    • Number of HDMI Inputs (Total): 2
    • Display Connector(s): 1 x DisplayPort 1.4, 2 x HDMI 2.1, Display connection via USB port (The number and type of connectors used to connect to an external display.)
    • DisplayPort Over USB-C: DisplayPort 1.4 (The version of DisplayPort that leverages the Alternate Mode Functional Extension of the USB-C interface. This connector allows for higher resolution, broader color space, multichannel audio support, and greater backwards compatibility with display adapters. Also known as DisplayPort Alt Mode.)
    • Number of USB Ports (Total): 5
    • USB Ports: 3 x USB-A 3.2, 1 x USB-C, 1 x USB-B (The number and type of USB ports the product has.)
    • Number of USB-C Charging Ports: 1
    • Number of USB-B Ports: 1
    • Headphone Jack: true (The device features an interface that allows for the connection of headphones.)
  • Compatibility
    • Wall Mountable: true (The product is able to be secured to a wall. Some products are designed ready to mount, while others may require additional hardware/accessories for installation.)
    • VESA Wall Mount Standard: 100mm x 100mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
  • Features
    • Tiltable: true
    • Adjustable Stand Height: true
    • Eye Relief Features: Flicker free, Low blue light
    • Built-In Webcam: false
    • Integrated Speaker(s): false
    • Smart Capable: false (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
  • Dimensions
    • Product Height With Stand: 20.06 inches
    • Product Width: 24.13 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth (With Stand): 6.64 inches
    • Product Weight: 16.4 pounds (The out of box weight of the item.)
    • Stand Included: true
  • Power
    • Power Consumption: 80 watts
    • Power Saving/Off Mode: 0.5 watts (This mode will turn the display and/or the device off, or into a standby mode, after a preset length of time with no activity to conserve power.)
  • Certifications Listings & Approvals
    • ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
    • EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
  • Warranty
    • Warranty - Parts: 3 years
    • Warranty - Labor: 3 years
  • Other
    • UPC: 197105815285

The ROG Strix OLED XG27UCDMG is a 27-inch, 240Hz 4K gaming monitor that boasts the latest fourth-generation QD-OLED technology to deliver supersharp visuals and crisp text. The cutting-edge QD-OLED panel offers greater longevity compared to previous OLED technologies and minimal flicker―even when frame rates fluctuate. With the addition of the Neo Proximity Sensor in the new ROG OLED Care Pro suite, the monitor transitions to a black screen when no user is detected, guarding against burn-in.

  • 4K Resolution: 26.5-inch 4K (3840 x 2160) QD-OLED gaming monitor with 240Hz refresh rate and 0.03ms response time
  • Latest 4th-gen QD-OLED Technology: Delivers sharper imagery and crystal-clear text, a longer lifespan over previous-gen OLEDs
  • ASUS OLED Care+: New ASUS OLED Care Pro functions with Neo Proximity Sensor that precisely detects when the user is away, switching to a black screen to reduce the risk of burn-in
  • OLED Anti-Flicker 2.0 Technology: Includes a new luminance compensation algorithm that reduces flicker by 20% compared to previous-gen panels, ensuring comfortable viewing
  • VESA DisplayHDR: 400 True Black compliance, 99% DCI-P3 gamut, true 10-bit color, and Delta E < 2 color difference for astonishing HDR performance, making it perfect for photo and video editing
  • Exclusive ASUS DisplayWidget Center: Application allows users to easily access OLED Care Pro functions and adjust monitor settings using a mouse
  • Extensive Connectivity: Includes DisplayPort 1.4, HDMI 2.1, USB-C (DP Alt mode+ 90W PD), USB hub and earphone jack
Whats Included
  • XG27UCDMG Monitor
  • DisplayPort Cable
  • HDMI Ultra High Speed Cable
  • Power Cord
  • USB 3.2 and USB-C Cables
  • Microfiber Cloth
  • VESA Mount Kit
  • ROG Pouch and ROG Sticker
  • Quick Start Guide
  • Warranty Card

Q: Is this monitor G-SYNC compatible?

A: Yes, it is G-SYNC Compatible (NVIDIA Adaptive Sync).

Q: What is the response time of this monitor?

A: The response time is 0.03 milliseconds.

Q: What type of OLED technology does this monitor use?

A: This monitor uses QD-OLED technology.

Q: What is the refresh rate of this monitor?

A: The refresh rate is 240Hz.

Q: What connectivity options does this monitor offer?

A: It includes DisplayPort 1.4, HDMI 2.1, USB-C (with DisplayPort Alt Mode and 90W Power Delivery), a USB hub, and an earphone jack.

Q: Does this monitor have built-in speakers?

A: No, this monitor does not have built-in speakers.

Q: How does the ASUS OLED Care+ feature work?

A: ASUS OLED Care+ uses a Neo Proximity Sensor to detect when a user is away and switches the monitor to a black screen to reduce burn-in risk.

Q: Will this monitor do 4k at 240 Hz?

A: The ASUS XG27UCDMG does support 4K resolution at 240 Hz, making it ideal for gaming and incredible visuals.

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Pros for ASUS - ROG Strix 27" 4K OLED 240Hz 0.03ms Gaming Monitor with FreeSync Premium Pro and HDR (DisplayPort, HDMI) - Black
Color Quality, Refresh Rate, Resolution, Design, Gaming PerformanceColor Quality, Refresh Rate, HDR PerformanceThere were no pros for this productColor Quality, Refresh Rate, Resolution, HDR, Blacks
Cons for ASUS - ROG Strix 27" 4K OLED 240Hz 0.03ms Gaming Monitor with FreeSync Premium Pro and HDR (DisplayPort, HDMI) - Black
Proximity Sensor, HDR Performance, SpeakersThere were no cons for this productThere were no cons for this productScreen

Specs

Reviews

Customers are saying

Customers are pleased with the ROG Strix monitor's vibrant color quality and buttery-smooth high refresh rate, making it excellent for gaming. Many appreciate the sleek design and positive gaming performance. However, some users find the HDR performance could be improved.

This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Insane Quality in a Tiny Package

    This monitor has the best picture quality I’ve ever seen, which is a combination of the 4k res at 27 inches and the glossy QD-OLED screen. Everything with this monitor worked as expected, except the neo-proximity sensor which wouldn’t activate and deactivate reliably. Personally I’m still torn between this model and the PG32UCDMR, which is essentially the same monitor but 32 inches. But either is incredible. The only downside hardware-wise is that it doesn’t come with VESA screws, and the vesa mount is an extra piece that causes the monitor to sit further forward from the monitor arm than one that mounts directly into the back of the monitor.

    Posted by CameronB

  • Rated 5 out of 5 stars

    Top Tier Monitor

    The Asus XG27UCDMG is a top tier monitor suitable for gaming and office work. The pixel density is super high making text crisp and clear. No text fringing whatsoever on this monitor. This monitor uses the latest 4th gen QD-Oled panel which significantly brighter than last gen panels. The OSD is very user friendly and the navigation between all the settings is easy enough. Picture quality and colors are better than my older IPS panel. The HDR is very good. However, it is not bright enough at least the default setting. There are other HDR modes that increase the brightness but you lose some picture details. Asus has done a good job releasing firmware update to improve picture quality and user experience, so maybe they're planning to increase brightness at the default (console mode) HDR setting. I'm using this monitor along with my gaming pc to play a wide range of games ranging from fast paced competitive shooting games to story mode games. There is no ghosting whatsoever and the response time is amazing. This is a Freesync Premium Pro monitor that works well with AMD Radeon graphics cards, and it is g-sync compatible, so it will work with Nvidia cards. I did notice that AMD Freesync Premium Pro does not work if you set the game to borderless full screen if you have 3 or more monitors connected. It doesn't seem that it's a monitor issue though since I tested a wide range of other monitors and AMD Freesync Premium Pro did not work with 3 monitor setup unless you set the game to full screen or you downgrade to 2 monitor set up. In that case you can set the game to borderless full screen and Freesync will work as it should. If you play story mode games, I recommend 32" oled monitors but if you play competitive games like shooting or MOBA, then 27" is recommended.

    Posted by Jimmy

  • Rated 5 out of 5 stars

    Even better than it looks online!

    If you’ve never seen an oled monitor in person you’ll be blown away. Color and hdr is amazing out of the box, and you can adjust settings further to your liking. I recommend cinema hdr as it has the brightest peaks, so scenes with sunlight and other bright lights look amazing. If you find that highlights are being blown out (sun looks like a giant blob you can try console hdr with dynamic brightness boost disabled, or go to display true black 400 mode for the most accurate and consistent lighting, but both are noticeably darker so I’m not a fan. It’s recommended to only enable hdr when viewing hdr content, but with windows hdr calibration I find that to be not a big deal. Also don’t be intimidated about qd oled if you don’t play in a pitch black room, the whole raised blacks in ambient lighting thing is totally overblown and looks a lot worse on camera than it really is in real life. My only complaint is with the neo promixty sensor, which would sometimes not detect me properly and switch off the screen while I was in the middle of a game. I ended up disabling it and just letting windows time out after 5 minutes which is the same thing anyway.

    Posted by KhaiT

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