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LG

LG 27GX790A-B 27-inch Ultragear OLED Gaming Monitor QHD 1440p 480Hz, 0.03ms, DisplayPort 2.1, True Black 400, NVIDIA G-Sync, AMD FreeSync Premium Pro, HDMI, USB, Tilt/Height/Swivel/Pivot Stand, Black

  • Based on 97 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Aug 12
Order within 7 hours and 12 minutes
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Style: 27" black


Features

  • 27 OLED Brilliance with up to 480Hz of Game-Changing Speed - Experience ultra-smooth, tear-free gameplay with up to 480Hz refresh rate and 0.03ms response time on a bright 27 QHD OLED display. React instantly, spot every detail, and outpace your opponents in every frame with unbeatable speed and clarity.
  • Unleash Next-Gen Speed with Future-Ready DisplayPort 2.1 - DisplayPort 2.1 delivers ultra-fast data speeds for flawless 480Hz gameplay. Enjoy sharper visuals with higher resolution support, virtually zero lag, and instant responsiveness, giving you the edge to dominate.The monitor also has two HDMI 2.1 ports and USB 3.0 connectivity (1 upstream / 3 downstream)
  • Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW - Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.
  • Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC Compatible - Say goodbye to screen tearing and stutter. With AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.
  • Seamless Display, and Adjustable to Gamer Specs - Dive into gameplay on the virtually borderless 27 OLED screen. The slim-profile display has adjustable height, tilt, swivel and pivot controls that let you customize your view, while RGB hexagonal backlighting amps up your battle station, making every session a vibe.
  • Unlock Your Potential with Advanced Gaming Features - Dynamic Action Sync reduces input lag for real-time response. Black Stabilizer brightens dark scenes to see what's hidden. FPS Counter shows your real-time frame rate. Crosshair enhances precision for deadly accuracy.
  • 4-Pole Jack & DTS HP:X: Gaming Audio Unleashed - Experience lifelike 3D audio with DTS Headphone2, pushing out spatial sound to make you feel even more part of the game. The 4-pole headphone jack combines stereo audio and mic input, delivering crisp sound and clear game-play comms through a single connection.
  • Up to 98.5% DCI-P3 Color Coverage - With up to 98.5% DCI-P3 color spectrum coverage, the OLED display brings HDR games to life, delivering vibrant, colors for stunning visual realism in every frame.
  • Low Glare, More Focus: Play Without Distractions - Stay in the zone with an OLED screen thats designed to minimize glare and reflections. The anti-glare surface reduces light distractions, so you can keep your attention where it matterson every move, every target, and every win.
  • OLED Protection: 2-Year Limited Warranty & Panel - Rest easy knowing your OLED monitor is built to last. The 2-year limited warranty covers key components, including the OLED panel. And OLED Care tools such as pixel cleaning keep your display sharp, for reliable top-tier performance. Please see Warranty Information on this page for all warranty details.Care Tools -

Description

Experience astounding speed with up to a blistering 480Hz refresh rate and 0.03ms response time on a 27" QHD OLED monitor. Dive into immaculate OLED visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. With next gen connectivity via DisplayPort 2.1, enjoy ultra-fast data transfer supporting higher resolutions at fast refresh rates with razor-sharp visuals and zero lag. Adaptive sync technologies FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear- free, stutter-free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed and built for gamers, the monitor's virtually bezel-less screen brings you into the action while the RBG backlighting creates the mood for the centerpiece of your ultimate battlestation. Source: Circana, LLC, Retail Tracking, Monitors, Gaming Designed, Display Type: OLED, Dollars, Jan - Dec 2025¹Requires graphics card that supports DisplayPort 2.1 to achieve up to 480Hz refresh rate support. Actual refresh rates may vary depending on computer graphics specifications and configurations.²Headphones sold separately. For DTS patents, see Manufactured under license from DTS, Inc. or its affiliates. DTS trademarks and logos are registered trademarks or trademarks of DTS, Inc. in the United States and other countries. ALL RIGHTS RESERVED.

Brand: LG


Screen Size: 26.5 Inches


Resolution: QHD Wide 1440p


Aspect Ratio: 169


Screen Surface Description: Matte


Aspect Ratio: 169


Screen Finish: Matte


Contrast Ratio: 15000001


Refresh Rate: 480 Hz


Display Type: OLED


Display Technology: OLED


Viewing Angle: 178 Degrees


Brightness: 275 Candela per Square Meter


Pixel Pitch: 0.23


Color Gamut: 98.5


Has Color Screen: Yes


Picture Quality Enhancement Technology: OLED


Screen Size: 26.5 Inches


Item Dimensions D x W x H: 9.8"D x 23.8"W x 22.8"H


Item Weight: 20.5 Pounds


Resolution: QHD Wide 1440p


Display Resolution Maximum: 2560 x 1440 Pixels


Native Resolution: 2560x1440


Response Time: 0.03 Milliseconds


Total Number of HDMI Ports: 2


Total Usb Ports: 3


Number of Component Outputs: 3


Total USB 3.0 Ports: 4


Additional Features: Anti Glare Screen, Dynamic Action Sync, Height Adjustment, Swivel Adjustment, Tilt Adjustment


Specific Uses For Product: Gaming


Color: Black


Mounting Type: Wall Mount


Compatible Devices: Gaming Console, Desktop, Laptop


Warranty Type: 2 Years Manufacturer Warranty


Shape: Flat


Brand: LG


Model Number: 27GX790A-B.AUS


Model Name: 27GX790A-B.AUS


Warranty Description: 2 Year Parts and Labor


UPC: 195174108277


Manufacturer: LG Electronics Inc.


Unit Count: 1.0 Count


Built-In Media: Display Port Cable (ver 2.1), HDMI Cable (ver 2.1), Monitor, Power Cord, USB A to B Cable


Connectivity Technology: DisplayPort, HDMI, USB


Hardware Connectivity: DisplayPort, HDMI, USB


Adaptive Sync: FreeSync Premium Pro, G-Sync Compatible


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Aug 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • A great display if you know what you're looking for
Style: 32" black
Overall, this display is absolutely fantastic. I would highly recommend that anyone considering it understand the differences between QD-OLED (Samsung panels; most OLED monitors) and W-OLED (LG) panels. It is also worth learning about the differences between matte and glossy coatings and how they affect the image. The build quality is great; the stand goes together very easily and is extremely solid. It also offers a wide range of height and tilt adjustment. The light on the rear of the housing is a nice touch and has a good selection of colors. Since this is a W-OLED display, the blacks remain perfectly dark even in a bright room. Colors are as good as you'd expect. When the unit first powers on, expect to see some mild to moderate unevenness in the brightness of the image. My unit had some vertical banding which disappeared after a few hours of normal use and an image cleaning cycle. Do not worry if you see something similar on yours! It goes away quickly. Also, there is no discernible text fringing at all. Text does appear somewhat soft, but disabling ClearType in Windows completely fixes this. The image is plenty bright, and HDR content looks great. You can adjust the peak brightness in the settings, so if it seems dim then try that. It is definitely not as bright as a QD-OLED panel, but the perfect blacks make up for this. Keep in mind that bright elements that take up large parts of the screen will cause global dimming. This is normal behavior. The only complaint I have is that the matte coating is somewhat grainy. It is barely discernible at normal viewing distances, and with dynamic content it's even harder to spot; it is most noticeable on static bright pages. Use dark mode whenever you can (which is also good practice for OLED panels generally). For me, the lack of distracting reflections is well worth it. Consider your options carefully when picking an OLED display. There are trade-offs no matter what you choose. If you're looking for a 4K display with a fantastic refresh rate (and 480hz at 1080p!), and you know that the downsides won't be an issue for you, then this is one of your best options. ... show more
Reviewed in the United States on December 4, 2025 by cole
    • Great quality, as advertised, LG has amazing packaging team Great quality, as advertised, LG has amazing packaging team
Style: 32" black
Review Image by Nathan Snyder
Review Image by Nathan Snyder
Review Image by Nathan Snyder
As advertised looks great. Set up was simple. Built well. I have no complaints with the product. And LG does an amazing job packing there products. On the other hand, Amazon whoever packages the items to be shipped doesn't really seem to care about there job they just put the item in the much larger box and shipped it no padding or bubble wrap. But die to LG amazing packaging department the product made it here safely and in great shape so I have nothing to complain about. Edit I have had it for about a week or so and it runs beautifully. One of the most gorgeous monitors I have ever owned. The image it amazing. The speakers on it are honestly better then my headset. Really crisp and clear. ... show more
Reviewed in the United States on March 25, 2026 Reviewed in the United States on March 25, 2026 by Nathan Snyder
    • AMAZING QUALITY!!!
Style: 32" black
This monitor is absolutely stunning! I decided to upgrade my PS5 to the PS5 Pro, and I realized I might need to upgrade my monitor to fully experience the new console. I currently own an LG gaming monitor, so I was happy to invest in the brand again. I researched several models and chose this one. While it might be a bit much for the PS5 Pro, I am also preparing for the PS6's release, for which this monitor will be perfect. The colors are incredibly vibrant, and it even includes speakers, which is a great bonus for me as I enjoy watching movies without a headset. Overall, I am really enjoying this monitor. I am also looking forward to seeing its performance when connected to a PC and Xbox. ... show more
Reviewed in the United States on March 29, 2026 by GrizzOnDaTrac
    • Worth the money
Style: 32" black
Awesome picture! Clean graphics and refresh rate. I'm so glad I upgraded. I'll be upgrading my other two monitors to this to complete my setup.
Reviewed in the United States on June 2, 2026 by Papa K
    • OLED Things
Style: 27" black
Very bad dirty screen effect on my unit and the text and small object clarity in general sucks because of the non-RGB subpixel layout. Without the dirty screen effect, I'd give it four stars. VRR flicker does happen during hard stutters, but it doesn't bother me much as most games aren't so horribly optimized. There is no DSC toggle (haven't checked service menu) but I have a 50-series so I haven't noticed any issues related to it. If you get one with minimal or no dirty screen effect, then it's a good monitor. ... show more
Reviewed in the United States on December 5, 2025 by Amazon Customer
    • Very Nice Very Nice
Style: 32" black
Review Image by Tykhon
Review Image by Tykhon
Review Image by Tykhon
So I ended up having the most frustrating time trying to get this monitor to work, to the point of thinking it was doa. After trying everything including different cables, I tried HDMI, DP, Type C, the pc is on I turn the monitor on it states no signal detected going to sleep every time. (Plugged into the GPU of course) So it ended up being my motherboard. I have the MSI MAG Z690 Tomahawk (pretty sure any MSI board might do this) I had MSI fast boot enabled in the BIOS. I guess this setting prevented from allowing the monitor to detect that the PC was on and therefore wouldn't turn on the monitor, this also prevented the PC from booting up as well oddly enough. Once I got through all of that this is a beautiful display and runs well even on my setup that's a bit outdated. I have an i5 12600k and a 3080 with 32 Gigabytes of ram. I get around 100 FPS (sad I know) runs smooth. If I enable HDR it basically unplayable. I plan to upgrade my setup in the future and wanted to future proof the monitor. It was on sale for $950 for future reference. ... show more
Reviewed in the United States on December 6, 2025 Reviewed in the United States on December 6, 2025 by Tykhon
    • LG False Advertising Display Port
Style: 32" black
LG is lying to you about Display Port 2.1 support. Yes it's been stated that it only supports UHBR13.5, but almost all implementations of UHBR13.5 negotiate at UHBR10 for compatibility. Including this monitors implementation. So there is TRULY no DP2.1 support on this monitor and they are false advertising. There is no scenario where UHBR13.5 will work with this monitor. Especially since DSC has to be enabled no matter what. With DSC you'll only use 22-24Gbps of bandwidth. Oddly making the HDMI 2.1 port the best option as it has 48Gbps bandwidth. Stop buying OLED monitors, and just get the 42" C5 or other TVs. Same price or lower, more features, same bandwidth, glossy, speakers, and built in media devices. This monitor is a scam. It's a rebrand of an older model with added USBC. That's all. Lies from LG means I will never buy anything from them again. ... show more
Reviewed in the United States on December 2, 2025 by Moz
    • The 4K OLED of my dreams! The 4K OLED of my dreams!
Style: 32" black
Review Image by Bob Displayman
Review Image by Bob Displayman
- Color accuracy: Respectable, great even. Slightly off compared to my production grade monitor, but just as they were advertised! Bravo! - Peak nits: Fantastic, these are the best nits. Everybody knows it. - Refresh rates: So fast you can't even see them. (240hz@4K - 480@1080p - SILKY SMOOTH!!!) - Response time: Not haunted. No ghosts here. - Pixels: There's a lot of them, trust me. Kept losing count otherwise I'd tell you. - Features: One firmware update away from perfection. Pictured is the difference between an LG 27GN950 (left, a 4K edge-lit IPS) and this monitor (right, a 4K MLA OLED). LOOK AT THOSE BLACKS!!! Left is Task Manager on a completely black background, right is a movie during a scene showing complete blacks. Having never owned an OLED before, I couldn't be happier with the decision to go with this monitor. The matte finish obliterates all but the brightest ambient light you would typically throw at it, maintaining excellent blacks and punchy colors. If you're on the fence, just DO IT! ... show more
Reviewed in the United States on October 20, 2025 Reviewed in the United States on October 20, 2025 by Bob Displayman

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