Overview

  • 27” OLED Brilliance With Up To 480Hz of Game-Changing Speed
    Experience ultra-smooth, tear-free gameplay with up to 480Hz refresh rate³ 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.³ 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.³
  • 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.
  • ClearMR 21000 Delivers Elite Motion Clarity
    Certified at ClearMR 21000—VESA’s highest motion-clarity tier—this display eliminates the faint blur that lingers around fast-moving objects. Every rapid turn, sprint, and effect stays crisp, helping you react faster and play with greater confidence.
  • 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.
  • 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. Please see warranty information on this page for all warranty details.
  • 4-Pole Jack & DTS HP:X: Gaming Audio Unleashed
    Experience lifelike 3D audio with DTS Headphone:X⁴, 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 gameplay 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.

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Specifications

Capacity & configuration

Display Type
OLED
Stand Type
Adjustable height stand

Dimensions & weight

Product Name
UltraGear 27" OLED QHD 480Hz 0.03ms NVIDIA G-SYNC, AMD Freesync Premium Pro Gaming Monitor (HDMI x2, DisplayPort, USB)
Product Height Without Stand
13.8 inches
Product Width
23.8 inches
Product Depth Without Stand
1.8 inches
Product Weight
20.5 pounds
Maximum Adjustable Height
22.8 inches
Product Depth (With Stand)
9.8 inches

Features

Brand
LG
Color
Black
Refresh Rate
480Hz
Maximum Resolution
2560 x 1440
Native Resolution
2560 x 1440
Contrast Ratio
1,500,000:1
Response Time
0.03 milliseconds
Synchronization Technology
G-SYNC (NVIDIA Adaptive Sync)
Aspect Ratio
16:9
Display Contour
Flat
Pixel Density
111 pixels per inch
Brightness
275 candela per square meter
Screen Size
26.5 inches
High Dynamic Range (HDR)
Yes
High Dynamic Range Format
VESA Certified DisplayHDR 400 True Black
Horizontal Viewing Angle
178 degrees
Vertical Viewing Angle
178 degrees
Touch Screen
No
On-Screen Display Languages
English
Display Surface
Anti-glare
OLED Technology
Standard OLED
Color Gamut (NTSC)
98.5 percent
Number of DisplayPort Inputs (Total)
1
Number of HDMI Inputs (Total)
2
Display Connector(s)
1 x DisplayPort
Number of USB Ports (Total)
3
USB Ports
2 x USB-A 3.0
Headphone Jack
Yes
Wall Mountable
Yes
VESA Wall Mount Standard
100mm x 100mm
Stand Ergonomics
Tilt
Anti-Glare
Yes
Eye Relief Features
Anti-glare
Built-In Webcam
No
Integrated Speaker(s)
No
ENERGY STAR Certified
No
Operating System Compatibility
Not Applicable
UPC
195174108277

Power & warranty

Model Number
27GX790A-B
Warranty - Parts
2 years
Warranty - Labor
2 years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review
CARLOSOct 18, 2026 · Verified purchase ★★★★★

AMAZING MONITOR - Outstanding OLED Display and Incredible Gaming Performance!

MP0902Oct 12, 2026 · Verified purchase ★☆☆☆☆

Random short Black screens - I have Rtx 5080 and I tried everything I could find online to make it work. I uninstalled mine drivers, reset gpu and monitor, turned off and on and everything. Nothing would work. My 39” lg 240hz doesn’t have any issue. But I can’t make this work with the display port included. Screen stops going black with the included hdmi but I need to use the dp cable. I wasted 4 hours with this monitor

SkeithOct 10, 2026 · Verified purchase ★★★★★

Amazing - The color is great i love the back light on it. Worth the price my games look amazing

ARZYSOct 10, 2026 · Verified purchase ★★★★★

Amazing OLED Gaming Monitor with480HzRefresh Rate! - The LG UltraGear OLED 480Hz is an impressive gaming monitor. The picture quality is excellent, with vibrant colors, deep blacks, and incredible contrast. The 480Hz refresh rate makes gameplay extremely smooth, and the 0.03ms response time is perfect for competitive gaming, especially CS2 and other fast-paced games. The QHD resolution provides sharp visuals, and the OLED panel makes everything look amazing. The design is sleek, and the overall build quality feels premium. If you’re looking for a high-end gaming monitor with outstanding speed and image quality, this is definitely worth considering. Highly recommended!

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Questions & answers

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Free U.S. shippingOn every order. Leaves our store in 1–2 business days, arrives in 3–5 business days.
Free returns for 30 daysNo restocking fee. We email you a prepaid return label.
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