LG 27G640A-B 27-inch Ultragear QHD (2560 x 1440) IPS Gaming Monitor, 300Hz, 1ms, NVIDIA G-Sync, AMD FreeSync Premium, VESA DisplayHDR 400, HDMI 2.1, USB Type-C, Tilt/Height/Swivel/Pivot Stand, Black

Price: $449.99 - $33.99
(as of Dec 19, 2025 23:00:45 UTC – Details)


Gaming is about to get fast.
Experience lightning-fast, crystal-clear gameplay with the 27″ QHD IPS UltraGear gaming monitor, built for competitive performance and stunning visuals.
A blistering 300Hz refresh rate¹ and 1ms (GtG) response time deliver ultra-smooth motion, while up to 95% DCI-P3 color gamut expression and VESA DisplayHDR 400 bring games to life with incredible contrast and vibrant detail. NVIDIA G-SYNC compatibility and AMD FreeSync Premium ensure tear-free, responsive play.
The sleek, design offers swivel, tilt, height, and pivot adjustability for the perfect setup. Plus, stay connected with USB-Type-C (15W PD), two HDMI 2.1 ports, and DisplayPort 1.4—making it the ultimate display for speed, precision, and immersive gaming.
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.
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 (2560×1440) IPS resolution on a vibrant 27″ IPS display. Wide viewing angles keep colors vivid from any position, so every scene stays crisp and vibrant.
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.
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.
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.
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.
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.