LG UltraGear OLED Gaming Monitor 27-Inch QHD 480Hz 0.03ms with G-Sync in Black - 27GX790A-B

Product Details
LG 27GX790A-B UltraGear OLED Gaming Monitor
Experience faster, tear-free gameplay with the LG 27GX790A-B gaming monitor. Casual players and pro gamers alike will enjoy the bright screen, fast refresh rate and sleeker gaming experience with this LG monitor. AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility delivers tear-free visuals and reduced lag. The LG 27GX790A-B features a virtually borderless screen, which lets you become more immersed in the game. You can also adjust the height, tilt, pivot and swivel of the screen. It's a serious upgrade to your gaming setup that will let you enjoy your favorite games in a whole new way.
Experience the Difference of OLED Gaming
Whether you're playing an FPS or RPG, every title looks better on an OLED screen. The LG 27GX790A-B monitor's OLED display offers rich color, deep blacks with DisplayHDR True Black 400 and a 1.5M:1 contrast ratio. The OLED display offers up to 98.5% DCI-P3 color spectrum coverage, which means that colors are more vibrant and lifelike for enhanced realism while you play. With more of the visible color spectrum on the screen, this LG monitor offers a noticeable upgrade to your gaming experience. The OLED screen also features an anti-glare surface to reduce annoying light distractions so you don't miss an important shot.
Games That Sound as Good as They Look
The LG 27GX790A-B gaming monitor also offers enhanced audio with the DTS HP:X headphone jack; the addition of spatial sound further immerses you in the game. The 4-pole headphone jack combines both stereo audio and the mic input, so you can enjoy both clearer sound and communication with your teammates. If you're unsure which gaming monitor is best for your preferred gameplay, get help from our computer specialists at 800-860-3577. You can also explore our computer monitor buying guide if you're building your first computer setup.
Key Features
Shockingly fast, tear-free gaming up to 480Hz & 0.03ms on a bright 27” OLED screen1
DisplayPort 2.1 bandwidth ensures ultra-smooth, fluid motion at up to 480Hz1
Stunning and bright OLED visuals with rich color, deep blacks, and 1.5M:1 contrast
Seamless frame sync with FreeSync Premium Pro and G-Sync for stutter-free gaming
Virtually borderless 27” OLED with adjustable screen and RGB lighting for a custom setup
Features
27" OLED Brilliance With Up To 480Hz Of Game-Changing Speed
Experience ultra-smooth, tear-free gameplay with up to 480Hz refresh rate1 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 dominate1.
The monitor also has two HDMI 2.1 ports and USB 3.0 connectivity (1 upstream / 2 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.
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.
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 enhanced precision for deadly accuracy.
OLED Protection: 2-Year Limited Warranty & Panel Care Tools
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.
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.
Low Glare, More Focus: Play Without Distractions
Stay in the zone with an OLED screen that’s designed to minimize glare and reflections. The anti-glare surface reduces light distractions, so you can keep your attention where it matters—on every move, every target, and every win.
Footnotes
1 Requires 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.
2 Headphones sold separately. For DTS patents, see
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California customers
Proposition 65 WARNING
WARNING: Cancer and Reproductive Harm

Specifications
General
Color
Black
Screen Size (in)
27
Display Finish
Anti-Glare, Low Reflection
Viewing Angle H / V
178°(H) / 178°(V)
Portable
No
Aspect Ratio
16:9
Brightness
275 cd/m2
Curved Screen
No
Resolution
QHD
Pixel Resolution
2560x1440
Refresh Rate
480Hz
Response Time
0.03ms (GtG)
Static Contrast Ratio
1500000:1
Swivel Adjustment
-30° ~ 30°
HDR
HDR10
Color Support
1.07B
USB Port(s)
3
TV Tuner
No
Tilt Adjustment
-5° ~ 15°
Pivot Adjustment
Yes
Height Adjustment
110mm
Gaming Monitor
Yes
VGA Input
No
DVI Input
No
HDMI Input
Yes
Blue Light Filter
Yes
Energy Star Qualified
No
VESA Compatible
Yes
Panel Type
OLED
Ports/Connection Types
2 x HDMI, 1 x DisplayPort, 2 x USB-A, 1 x USB-B, 1 x 3.5mm Stereo Jack
Adaptive Sync Technology
NVIDIA G-Sync, AMD FreeSync Pro
Power Input
100~240V (50/60Hz)
In the Box
Monitor, Stand, AC power cord, HDMI Cable, DisplayPort Cable, USB A to B Cable, Documentation
Approximate Dimensions
Height (in)
22.8
Width (in)
23.8
Depth (in)
9.8
Height Without Stand (in)
13.8
Width Without Stand (in)
23.8
Depth Without Stand (in)
1.8
Package Size HxWxL (in)
8 x 21 x 32
Approximate Weight
Unit Weight (lbs.)
20.5
Unit Weight Without Stand (lbs.)
11.2
Package Weight (lbs)
28
Warranty Information
Parts Warranty
2 Years Limited
Labor Warranty
2 Years Limited