LG - UltraGear 27G640A-B 27" 16:9 WQHD 300Hz USB-C IPS LCD HDR Gaming Monitor
About this product
Blazing Speed. Brilliant Color. Total Control.Dominate the game with a 27" WQHD 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" WQHD IPS ClarityEnjoy crisp, detailed visuals with WQHD (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 WinReact 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 SpeedPlay with a near-instantaneous 1ms response time, which minimizes ghosting for gaming visuals that are sharp, clear and buttery smooth.Vivid Color and HDR BrillianceImmerse 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 CompatibleSay 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 SpecsDive 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 GamersConnect 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.
Highlights
Features
HIGH PERFORMANCE
Experience unparalleled gaming with a 300Hz refresh rate and 1ms (GtG) response time, ensuring fluid, blur-free visuals for competitive play.
PREMIUM BUILD QUALITY
Immerse yourself in stunning WQHD (2560 x 1440) resolution on a 27" IPS display, offering vibrant colors and wide viewing angles.
GREAT VALUE
Benefit from NVIDIA G-Sync Compatible and AMD FreeSync Premium technologies, eliminating screen tearing and stuttering for a seamless gaming experience.
RELIABLE DURABILITY
Connect effortlessly with versatile input options including USB-C (15W Power Delivery), DisplayPort 1.4, and HDMI 2.1, supporting various devices.
EASY TO USE
Optimize your setup with ergonomic adjustments for tilt, height, swivel, and pivot, providing personalized comfort for extended gaming sessions.
Specifications
- Refresh Rate300HzMaximum Resolution2560 x 1440Screen Size27 inchesDisplay Connector(s)2 x HDMI
Reviews
Rating 5 out of 5 stars with 1 review
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.
- LG - UltraGear 32" OLED Dual Mode (4K UHD 240Hz, FHD 480Hz) 0.03ms G-SYNC and FreeSync Premium Pro Gaming Monitor - Black$1,199.99The price was $1,399.99
Compare similar products
Blazing Speed. Brilliant Color. Total Control.Dominate the game with a 27" WQHD 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" WQHD IPS ClarityEnjoy crisp, detailed visuals with WQHD (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 WinReact 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 SpeedPlay with a near-instantaneous 1ms response time, which minimizes ghosting for gaming visuals that are sharp, clear and buttery smooth.Vivid Color and HDR BrillianceImmerse 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 CompatibleSay 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 SpecsDive 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 GamersConnect 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.
Dominate Every Frame with UltraGear. Step up your game with the 27" UltraGear QHD (2560 x 1440) IPS gaming monitor, built for speed, clarity, and precision. VESA DisplayHDR 400 and up to 99% sRGB coverage bring bold color, deeper blacks, and enhanced contrast for breathtaking gameplay visuals. A blazing-fast 200Hz refresh rate and 1ms (GtG) response time keep motion crystal-clear, so every move feels razor sharp. Stay locked in with tear-free performance thanks to AMD FreeSync Premium and NVIDIA G-SYNC compatibility, delivering fluid action across PC and next-gen consoles. Gain the edge with pro-level gaming features like Dynamic Action Sync, Black Stabilizer, FPS Counter, and Crosshair. UltraGear doesn’t stop at performance—it’s built to play nice with your setup. The slim-bezel design maximizes your view, while the height, tilt, swivel, and pivot adjustable stand customizes the screen to your specs. The Switch app transforms your screen into a multitasking hub, letting you split layouts, stream, or launch calls in seconds.
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.
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.
| Pros for LG - UltraGear 27G640A-B 27" 16:9 WQHD 300Hz USB-C IPS LCD HDR Gaming Monitor | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Refresh Rate, Resolution, Size | Overall Performance, Refresh Rate, OLED Quality, Stand Adjustability | Color Quality |
| Cons for LG - UltraGear 27G640A-B 27" 16:9 WQHD 300Hz USB-C IPS LCD HDR Gaming Monitor | |||
| There were no cons for this product— | Connectivity, HDR Performance, Stand Stability | Brightness, Audio Output, USB Ports | There were no cons for this product— |
Specs
Questions & Answers
What are the stand dimensions of this monitor?
Answered by LG Digital Customer CareHello there, Leslee. Thank you for reaching out. We understand your inquiry about the stand dimensions for the 27G640A-B monitor. The dimensions of the stand for the 27G640A-B monitor are 24.2" (W) × 21.2" (H) × 9.4" (D) when adjusted up, and 24.2" (W) × 15.3" (H) × 9.4" (D) when adjusted down. https://www.bestbuy.com/product/lg-27-inch-ultragear-gaming-monitor-ips-qhd-1440p-300hz-1ms-nvidia-g-sync-compatible/JJ8VPZK6L3 If you have any further questions about its features, please send us a private message on Social Media @LGUSSupport, and our team will be more than happy to assist you. —Renzo
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