LG UltraGear IPS 27-Inch Gaming Monitor 1440p 300Hz 1ms G-Sync in Black - 27G640A-B

Product Details
LG 27G640A-B UltraGear IPS 27-Inch Gaming Monitor 1440p 300Hz 1ms G-Sync in Black
Dominate Every Game with LG UltraGear™ 27G640A-B
Experience gaming at its finest with the LG 27 Inch UltraGear™ IPS QHD 1440p Gaming Monitor, model 27G640A-B. Designed for dedicated gamers, this powerhouse combines a high-performance 27-inch QHD IPS display with a lightning-fast 300Hz refresh rate and rapid 1ms (GtG) response time, ensuring smooth, blur-free action in every match. Wide viewing angles and up to 95% DCI-P3 color accuracy deliver immersive visuals, whether you’re exploring vibrant open worlds or engaging in fast-paced multiplayer battles.
Advanced Graphics, Seamless Gameplay
This LG gaming monitor is built to keep up with the most demanding titles thanks to NVIDIA G-SYNC® compatibility and AMD FreeSync™ Premium support. Enjoy tear-free, stutter-free gameplay—no matter your graphics card. VESA DisplayHDR400 certification brings enhanced contrast and color depth, making in-game details pop like never before. Play your favorite games the way they were meant to be seen.
Ergonomic Design and Pro-Level Features
Customize your setup to perfection with the monitor’s adjustable stand, offering height, tilt, swivel, and pivot functionality for ergonomic comfort during long sessions. The borderless “L” design fits seamlessly into multi-monitor arrangements, while built-in stereo speakers deliver rich, powerful audio to elevate your gaming experience. Explore all the features of the LG 27G640A-B and upgrade your battlestation to a new level of performance.
Features
Blazing Speed. Brilliant Color. Total Control.
Dominate the game with a 27" QHD IPS display built for speed, clarity, and precision. Enjoy ultra-smooth action with 300Hz/1ms (GtG), vibrant HDR visuals, and tear-free gameplay—plus pro-level adjustments and versatile ports for your perfect setup.
27" QHD IPS Clarity
Enjoy crisp, detailed visuals with QHD (2560x1440) resolution on a vibrant 27" IPS display. Wide viewing angles keep colors vivid from any position, so every scene stays crisp and vibrant.
300Hz Refresh Rate for the Win
React faster and play smoother with a blistering 300Hz refresh rate—perfect for high-speed competitive gaming where every millisecond counts. Experience fluid motion and razor-sharp clarity, even in the most intense action.1
1ms (GtG): Astounding Gaming Speed
Play with a near-instantaneous 1ms response time, which minimizes ghosting for gaming visuals that are sharp, clear and buttery smooth.
Vivid Color and HDR Brilliance
Immerse yourself in lifelike visuals with up to 95% DCI-P3 color gamut and VESA DisplayHDR™ 400. Enjoy rich hues, bright highlights, and deep dark shadows that make every game more vibrant and every scene more cinematic.
Ultimate Frame Sync: FreeSync™ Premium & G-SYNC® Compatible
Say goodbye to screen tearing and stutter. With AMD FreeSync™ Premium and NVIDIA® G-SYNC® compatibility, this UltraGear™ monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.2
Seamless Display, and Adjustable to Gamer Specs
Dive into gameplay on the narrow-bezeled 27” screen. The slim-profile display has adjustable height, tilt, swivel and pivot controls that let you customize your view.
Serious Connectivity for Serious Gamers
Connect your way with USB Type-C (15W power delivery), dual HDMI 2.1 ports, and DisplayPort 1.4. Enjoy smoother gameplay, vivid colors, and high-resolution graphics—plus the convenience of powering devices while you play or work.
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.
Footnotes
1Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 300Hz fresh rate support. Graphics card sold separately.
2NVIDIA® G-SYNC® Compatible supports variable refresh rate on GeForce GTX 10 Series and higher GPUs on Display Port, and GeForce RTX 30 Series and higher GPUs on HDMI 2.1.
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Proposition 65 WARNING
WARNING: Cancer and Reproductive Harm

Specifications
General
Color
Black
Display Port
Yes
Screen Size (in)
27
Viewing Angle H / V
178º(R/L), 178º(U/D)
Portable
No
Aspect Ratio
16.9
Brightness
(Typ.) 400 cd/m² (Min.) 320 cd/m²
Curved Screen
No
Resolution
QHD
Pixel Resolution
2560x1440
Refresh Rate
300Hz
Response Time
1ms
Static Contrast Ratio
1300:1 (Typ.)
Swivel Adjustment
Yes
HDR
HDR10, DisplayHDR 400
Color Support
1.07B
USB Port(s)
1 x USB Type-C
Speakers
Yes
TV Tuner
No
Tilt Adjustment
Yes
Pivot Adjustment
Yes
Height Adjustment
Yes
Gaming Monitor
Yes
VGA Input
No
HDMI Input
Yes
VESA Compatible
100 x 100
Panel Type
IPS
Ports/Connection Types
2 x HDMI, 1 x DisplayPort, 1 x Earphone out, 1 x USB-C
Adaptive Sync Technology
NVIDIA G-Sync™ Compatible, AMD FreeSync, AMD FreeSync Premium, VRR
Power Consumption
Power Save/Sleep Mode (Max): 0.5W
Power Input
100~240V (50/60Hz)
In the Box
1 x LG UltraGear Monitor, 1 x Display Port Cable, 1 x HDMI Cable
Approximate Dimensions
Height (in)
15.3
Width (in)
24.2
Depth (in)
9.4
Height Without Stand (in)
14.4
Width Without Stand (in)
24.2
Depth Without Stand (in)
2.3
Package Size HxWxL (in)
32 x 6 x 18
Approximate Weight
Unit Weight (lbs.)
12.1
Unit Weight Without Stand (lbs.)
7.5
Package Weight (lbs)
3
Warranty Information
Parts Warranty
1 Year Parts and Labor
Labor Warranty
1 Year Parts and Labor