LG UltraGear 27GX790A-B 27 inch OLED QHD 480Hz Gaming Monitor
The LG UltraGear 27GX790A-B is a 27-inch-class QHD OLED gaming monitor with a 480Hz refresh rate and 0.03ms GtG response. DisplayPort 2.1, adaptive sync, DisplayHDR True Black 400 and a fully adjustable stand complete the package.
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Overview
LG ULTRAGEAR 27GX790A-B 27 INCH OLED QHD 480HZ GAMING MONITOR

480Hz speed with OLED clarity.
The 27GX790A-B combines a 27-inch-class OLED panel with a 480Hz refresh rate. Its 2560 × 1440 resolution and 0.03ms GtG response deliver a focused display for fast-paced gaming.
Viewable Display Diagonal
Native Resolution
Listed Refresh and Input Conditions
Panel Technology
Fast motion, deep contrast
The OLED panel offers 98.5% DCI-P3 colour coverage and a 1,500,000:1 typical contrast ratio. DisplayHDR True Black 400 adds HDR capability, while G-SYNC Compatible and FreeSync Premium Pro support compatible variable-refresh setups.
Connections for a high-performance setup
DisplayPort 2.1, two HDMI inputs and a USB 3.0 hub provide flexible connectivity. Adjust height, tilt, swivel and pivot to fit your desk, then customise the rear Hexagon Lighting. A four-pole headset output keeps audio access within reach.
Plan Your Screen Area
The display specification is 26.5 inches (27-inch class), with 2560 × 1440 resolution. Compare the screen area and aspect ratio with your usual games and desktop work, leaving room on the desk for a comfortable viewing position.
Arrange the Display on Your Desk
Stand: Tilt, height, swivel and pivot adjustment. VESA mount: 100 × 100 mm. Use the listed stand adjustments to position the display for your desk and chair. If you choose an arm or wall mount, check the stated VESA pattern and the mounting hardware requirements.
Check the Audio Arrangement
The listed audio arrangement is 4-pole headphone/microphone output. Plan speakers or headphones around those connections and the audio path of your source device, keeping the monitor’s built-in playback capabilities separate from any external sound equipment you add.
Match the Refresh Mode to Your Setup
Refresh rate: 480Hz. The available refresh mode depends on the resolution, input, source device and supported settings. Check those conditions together before choosing a cable or expecting the highest listed refresh mode from your system.
Complete Your Workspace
Explore gaming PCs, gaming monitors for your setup.
Frequently Asked Questions
What size, panel and resolution does this display use?
26.5 inches (27-inch class). OLED panel technology. Native resolution: 2560 × 1440.
What refresh modes and input limits apply?
Refresh rate: 480Hz. Available modes also depend on your source, input, cable and supported settings.
Which video and USB connections are listed?
Inputs: 2 × HDMI; 1 × DisplayPort 2.1. USB hub: 1 × USB 3.0 upstream; 2 × USB 3.0 downstream.
What stand adjustment and mounting options are specified?
Stand: Tilt, height, swivel and pivot adjustment. VESA mount: 100 × 100 mm.
How is response time specified?
0.03ms GtG.
What HDR support is listed?
HDR10; VESA DisplayHDR True Black 400.
Build Your Setup with AX Store Kuwait
Explore computers, displays and accessories for your workspace at AX Store Kuwait. For help choosing the right model or checking an accessory, contact AX Store.
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THE DETAILS
Technical specifications
Display specifications
LG
27GX790A-B
26.5 inches (27-inch class)
2560 × 1440
OLED
16:9
480Hz
0.03ms GtG
275 cd/m² typical; 250 cd/m² minimum
DCI-P3 98.5% typical
1.07 billion colours
1,500,000:1 typical
178° horizontal / vertical
HDR10; VESA DisplayHDR True Black 400
NVIDIA G-SYNC Compatible; AMD FreeSync Premium Pro
2 × HDMI; 1 × DisplayPort 2.1
1 × USB 3.0 upstream; 2 × USB 3.0 downstream
4-pole headphone/microphone output
Tilt, height, swivel and pivot adjustment
100 × 100 mm
605.2 × 469.3–579.3 × 249.1 mm
9.3 kg
COMPLETE YOUR SETUP