LG UltraGear 27GX704A-B 27” QHD OLED Gaming Monitor – 240Hz, 0.03ms, True Black 400 & G-SYNC Compatible
Experience the speed and visual impact of OLED gaming with the LG UltraGear 27GX704A-B, a 27-inch QHD OLED gaming monitor featuring a glossy display, an ultra-fast 240Hz refresh rate, and an exceptional 0.03ms GtG response time. With VESA DisplayHDR True Black 400, up to 98.5% DCI-P3 color coverage, NVIDIA G-SYNC compatibility, and AMD FreeSync Premium Pro, it combines deep OLED blacks, vibrant color, and high-speed responsiveness for immersive and competitive gaming.
Advanced connectivity including dual HDMI 2.1, DisplayPort 1.4, and USB 3.2, along with a fully adjustable ergonomic stand and OLED protection features, makes the 27GX704A-B a high-performance centerpiece for modern gaming setups.
27-Inch QHD OLED Display
Experience detailed gaming visuals on a 27-inch QHD OLED display with 2560 × 1440 resolution.
OLED technology allows individual pixels to produce their own light, delivering exceptional contrast, deep blacks, vibrant colors, and precise image detail across games and entertainment.
Glossy OLED Finish
The glossy screen finish delivers a clear, vibrant presentation that emphasizes the OLED panel's rich colors, deep blacks, and visual intensity.
The result is an immersive viewing experience designed to showcase high-quality gaming and entertainment content.
Ultra-Fast 240Hz Refresh Rate
Experience exceptionally smooth gameplay with a refresh rate of up to 240Hz.
The high refresh rate provides fluid motion and rapid frame updates during competitive FPS, racing, action, esports, and other fast-paced games.
Lightning-Fast 0.03ms GtG Response Time
With an extraordinary 0.03ms GtG response time, the OLED panel responds rapidly to changing images, helping minimize ghosting and motion blur.
Combined with the 240Hz refresh rate, this creates sharp and responsive motion during demanding competitive gameplay.
Up to 1300 Nits Peak Brightness
The OLED display delivers 275 nits standard brightness with peak brightness reaching up to 1300 nits under supported conditions.
Bright highlights can stand out with greater intensity while OLED's deep black levels help preserve detail and contrast in darker scenes.
VESA DisplayHDR True Black 400
The LG UltraGear 27GX704A-B supports VESA DisplayHDR True Black 400, taking advantage of OLED technology to produce deep black levels and striking highlights.
Combined with an impressive 1,500,000:1 contrast ratio, HDR content gains greater depth and distinction between dark and bright areas.
Up to 98.5% DCI-P3 Color
With up to 98.5% DCI-P3 color gamut coverage, the display reproduces a wide spectrum of rich and vibrant colors.
The combination of OLED, wide color coverage, and HDR support creates vivid gaming environments and an engaging multimedia experience.
NVIDIA G-SYNC Compatible
NVIDIA G-SYNC compatibility helps synchronize the monitor's refresh rate with compatible NVIDIA graphics hardware to reduce screen tearing and stuttering.
AMD FreeSync Premium Pro
AMD FreeSync Premium Pro provides adaptive synchronization for compatible AMD graphics hardware while supporting premium gaming and HDR experiences.
Together, G-SYNC compatibility and FreeSync Premium Pro provide smooth, low-latency gameplay across a wide range of gaming systems.
Built for PC & Next-Generation Gaming
The LG UltraGear 27GX704A-B provides extensive high-performance connectivity, including:
2 × HDMI 2.1
DisplayPort 1.4
USB 3.2 Upstream
2 × USB 3.2 Downstream
These connections provide flexibility for gaming PCs, compatible consoles, peripherals, and other devices.
OLED Care
Built-in OLED Care features are designed to help mitigate image retention and support long-term panel care.
Users can adjust brightness and OLED protection settings, while automatic pixel-care cycles can operate during standby or shutdown.
On-Screen Control
LG's On-Screen Control provides convenient access to compatible display settings, allowing gamers to fine-tune performance options, adjust OLED protection features, and switch between display modes.
UL-Certified Eye Comfort Features
The display carries UL certifications for Anti-Glare, Flicker-Free, and Low Blue Light, supporting comfortable viewing during extended gaming and entertainment sessions.
Fully Adjustable Gaming Stand
Customize the monitor position with an ergonomic stand supporting:
Height Adjustment
Tilt
Swivel
Pivot
These adjustment options help create a comfortable viewing position for different gaming and desktop configurations.
Virtually Borderless UltraGear Design
The virtually borderless 27-inch display and slim-profile construction create a modern gaming aesthetic while keeping visual distractions around the screen to a minimum.
3-Pole Headphone Jack
Connect compatible headphones directly through the monitor's 3-pole headphone jack for convenient personal audio during gaming and entertainment.
Key Specifications
Brand: LG
Series: UltraGear
Model: 27GX704A-B
Screen Size: 27 Inches
Panel Type: OLED
Resolution: QHD (2560 × 1440)
Aspect Ratio: 16:9
Refresh Rate: Up to 240Hz
Response Time: 0.03ms GtG
Standard Brightness: 275 nits
Peak Brightness: Up to 1300 nits
HDR: VESA DisplayHDR True Black 400
Contrast Ratio: 1,500,000:1
Color Gamut: Up to 98.5% DCI-P3
Adaptive Sync: NVIDIA G-SYNC Compatible & AMD FreeSync Premium Pro
Screen Surface: Glossy
Eye Comfort: UL-Certified Anti-Glare, Flicker-Free & Low Blue Light
Connectivity: 2 × HDMI 2.1, DisplayPort 1.4, USB 3.2 Upstream & 2 × USB 3.2 Downstream
Audio Connection: 3-Pole Headphone Jack
OLED Protection: OLED Care & Automatic Pixel Care
Stand Adjustments: Height, Tilt, Swivel & Pivot
Design: Virtually Borderless, Slim Profile
Color: Black
OLED Visuals with Competitive 240Hz Performance
Combining a QHD OLED panel, up to 240Hz refresh rate, 0.03ms GtG response time, DisplayHDR True Black 400, up to 98.5% DCI-P3, G-SYNC compatibility, and FreeSync Premium Pro, the LG UltraGear 27GX704A-B delivers deep OLED contrast, vivid color, and exceptional responsiveness for competitive gaming and immersive entertainment.
