LG - UltraGear 27" OLED QHD 480Hz 0.03ms NVIDIA G-SYNC, AMD Freesync Premium Pro Gaming Monitor (HDMI x2, DisplayPort, USB) - Black
Customers are saying
Customers love the exceptional color quality and the fantastic refresh rate offered by this monitor. Users also frequently highlight the sleek design and note that it provides a great experience for 1440p gaming. Overall, the feedback indicates high satisfaction with the display's performance and visual appeal.
Highlights
Features
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.
Specifications
- Refresh Rate480HzMaximum Resolution2560 x 1440Response Time0.03 millisecondsSynchronization TechnologyG-SYNC (NVIDIA Adaptive Sync), FreeSync Premium Pro (AMD Adaptive Sync)Screen Size26.5 inches
Reviews
Rating 4.7 out of 5 stars with 316 reviews
- Color Quality (96)
- Refresh Rate (80)
- Design (12)
- Gaming Performance (9)
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.
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Experience astounding speed with up to a blistering 480Hz refresh rate¹ 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.

The 27" QHD UltraGear OLED gaming monitor is built for next-gen performance, whether you're on PC or console. A glossy finish OLED display, with a sharp QHD (2560 x 1440) resolution delivers razor-sharp visuals, up to 98.5% DCI-P3 color coverage, and VESA DisplayHDR True Black 400 for cinematic contrast and color depth. When every millisecond matters, dominate the action with a 240Hz refresh rate¹, ultra-fast 0.03ms response time, G-SYNC Compatibility, FreeSync Premium Pro, and VESA ClearMR 13000 certification for bright, blur-free, tear-free OLED gameplay. Connectivity is future-ready with two HDMI ports, USB (x3) and DisplayPort 1.4, keeping you locked in on the latest hardware. The fully adjustable stand—tilt, height, swivel, and pivot—lets you play your way, with comfort and control.

The LG UltraGear OLED 27GX790B is built for gamers who want every visual and competitive advantage. UltraGear's 27-inch 4th Generation OLED QHD resolution display delivers pinpoint clarity with UL Verified Perfect Black and Perfect Color¹, exposing incredible detail and nuanced highlights. VESA DisplayHDR True Black 500 adds deeper contrast and controlled brightness, giving gamers a sharper read on enemies, environments, and effects in every gaming scenario. Speed is where this UltraGear OLED separates itself from others. Dual Mode² gives gamers two elite paths to victory: a 540Hz refresh rate at QHD resolution for high-resolution precision or 720Hz at HD for pure, unleashed speed. Paired with a near-instantaneous 0.02ms response time, motion stays clean and fast—ideal for tracking targets, reacting faster, and winning close engagements. Your frames stay stable under pressure with NVIDIA G-SYNC compatibility and AMD FreeSync Premium Pro³, delivering tear-free, low-latency performance. VESA Certified ClearMR backs it up with verified motion-blur clarity, keeping visual noise out of the fight. For next-gen setups, DisplayPort 2.1 ensures maximum bandwidth for high refresh rates and smooth data flow. A 4-pole headphone jack supports game audio and comms through one connection. And with full ergonomic control—height, tilt, swivel, and pivot—you can dial in your perfect competitive setup. The 27GX790B delivers elite OLED performance, breakthrough speed, and incredible performance built for players who refuse to settle.

Alienware 27 240Hz QD-OLED Gaming Monitor. Take in superb QD-OLED visuals and fluid gameplay on the 27" flat panel monitor featuring a fast 240Hz refresh rate.
| Pros for LG - UltraGear 27" OLED QHD 480Hz 0.03ms NVIDIA G-SYNC, AMD Freesync Premium Pro Gaming Monitor (HDMI x2, DisplayPort, USB) - Black | |||
|---|---|---|---|
| Refresh Rate, Color Quality, Design, Gaming Performance | OLED Quality, Build Quality | Overall Performance, Refresh Rate, OLED Quality, Color Accuracy | OLED Quality, Overall Performance, Refresh Rate, Stand Adjustability |
| Cons for LG - UltraGear 27" OLED QHD 480Hz 0.03ms NVIDIA G-SYNC, AMD Freesync Premium Pro Gaming Monitor (HDMI x2, DisplayPort, USB) - Black | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Brightness, Audio Output, USB Ports |








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