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LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black

Rating 4.6 out of 5 stars with 108 reviews

$749.99
The price was $1,199.99

LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black

Model: 34GX900A-B
SKU: 6638890
Deal ends Mar 16, 2026
$799.99
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Highlights

  • Key Specs
    • Refresh Rate: 240Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 3440 x 1440 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Response Time: 0.03 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Panel Type: Not Applicable (Technology that affects response time and image quality.)
    • Synchronization Technology: G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync Premium Pro (AMD Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Screen Size: 33.9 inches (Size of the screen, measured diagonally from corner to corner.)
    • OLED Technology: Standard OLED
    • Display Connector(s): 1 x DisplayPort 1.4, 2 x HDMI 2.1 (The number and type of connectors used to connect to an external display.)
  • General
    • Brand: LG
    • Model Number: 34GX900A-B
    • Product Name: UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C)
    • Color: Black
    • Operating System Compatibility: Not Applicable, Not Applicable, Not Applicable, Not Applicable, Not Applicable
  • Display
    • Refresh Rate: 240Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Maximum Resolution: 3440 x 1440 (Maximum resolution refers to the highest number of pixels that a screen can process and display. Higher resolution signals produce more detailed images.)
    • Native Resolution: 3440 x 1440 (Native resolution of a screen refers to its single, fixed resolution. Sometimes screens must scale an image up or down in order to fit the native resolution. This can cause a loss of resolution or detail.)
    • Contrast Ratio: 1,500,000:1 (Measured difference between a displayed image's brightest whites and darkest blacks. The larger the first number, the more detail and color that can be displayed.)
    • Response Time: 0.03 milliseconds (The speed at which pixels can change colors is called response time. It is measured in milliseconds (ms).)
    • Display Type: OLED
    • Panel Type: Not Applicable (Technology that affects response time and image quality.)
    • Synchronization Technology: G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync Premium Pro (AMD Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Aspect Ratio: 21:9 (The measurement of the width of a screen compared to the height of a screen, expressed as a ratio.)
    • Curved Screen: true
    • Pixel Density: 110 pixels per inch (The number of pixels present per inch on the device's display. Higher pixel density improves the clarity and sharpness of the displayed image.)
    • Brightness: 275 candela per square meter (A measure of the total light output.)
    • Screen Size: 33.9 inches (Size of the screen, measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: VESA Certified DisplayHDR 400 True Black, HDR 10 (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • Horizontal Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from either side.)
    • Vertical Viewing Angle: 178 degrees (The maximum angle at which the display can be viewed with acceptable visual performance from above or below.)
    • OLED Technology: Standard OLED
  • Connectivity
    • Number of DisplayPort Inputs (Total): 1
    • Number of HDMI Inputs (Total): 2
    • Display Connector(s): 1 x DisplayPort 1.4, 2 x HDMI 2.1 (The number and type of connectors used to connect to an external display.)
    • Number of USB Ports (Total): 3
    • USB Ports: 1 x USB-C, 2 x USB-A (The number and type of USB ports the product has.)
    • Headphone Jack: true (The device features an interface that allows for the connection of headphones.)
  • Compatibility
    • Wall Mountable: true (The product is able to be secured to a wall. Some products are designed ready to mount, while others may require additional hardware/accessories for installation.)
    • VESA Wall Mount Standard: 100mm x 100mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
  • Features
    • Tiltable: true
    • Adjustable Stand Height: true
    • Built-In Webcam: false
    • Integrated Speaker(s): true
  • Dimensions
    • Product Height With Stand: 22.9 inches
    • Product Height Without Stand: 18.5 inches
    • Product Width: 30.9 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth (With Stand): 11.5 inches
    • Product Depth Without Stand: 6.6 inches
    • Product Weight: 22.9 pounds (The out of box weight of the item.)
    • Stand Included: true
  • Certifications Listings & Approvals
    • ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
    • EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
  • Warranty
    • Warranty - Parts: 2-Year Parts and Labor
    • Warranty - Labor: 2-Year Parts and Labor
  • Other
    • UPC: 195174124604

Experience lightning-quick speed with up to a 240Hz refresh rate¹ and 0.03ms response time on a huge 34 Inch WQHD curved OLED monitor. The steep 800R curve surrounds you in the action. And with the 240Hz refresh rate, and 0.03ms response time, the action is fast, the play seamless and precise. Dive into UltraGear OLED’s immaculate visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. Adaptive sync technologies FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear-free, stutter-free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed for gamers, the virtually borderless design complements any gaming setup, with height, tilt, and swivel adjustments for optimal comfort. The RBG backlighting creates the mood that’ll upgrade any battlestation.

  • The 240Hz OLED Gaming Monitor that’s Ahead of the (800R) Curve: The 34” WQHD OLED with a steep 800R curve and up to 1300 nits (APL 1.5%) peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth.
  • Up to 240Hz & 0.03ms – Outrageous OLED Gaming Speed: Game at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03ms (GtG) response time. The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting.
  • Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC Compatible: Say goodbye to screen tearing and stutter. With AMD FreeSync Premium Pro and NVIDIA G-SYNC compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.
  • Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW: Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color.
  • The 800R Curve: Surround Yourself in the Action: See and feel the action all around you with the dramatic 800R curve. This steep curvature extends your periphery, pulling you deeper into the game and making the action more intense.
  • Low Glare, More Focus: Play Without Distractions: UL-verified “Flicker-free Display”, “Discomfort Glare Free” and “Low Blue Light Hardware Solution Platinum”, this OLED display keeps your view crisp and colors bold. With advanced anti-glare tech minimizing reflections, you get distraction-free clarity—so you can stay focused and dominate in any lighting.
  • 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.
  • OLED Protection: 2-Year Limited Warranty & Panel Care Tools: Rest easy knowing your OLED monitor is built to last. The 2-year limited warranty covers key components, including the OLED panel. And OLED Care tools such as pixel cleaning keep your display sharp, for reliable top-tier performance. Please see Warranty Information on this page for all warranty details.
  • Serious Connectivity for Serious Gamers: For next gen console gaming or PC gaming, with HDMI 2.1, DisplayPort 1.4 and USB Type-C (65W power delivery), UltraGear's versatile connectivity enables high-resolution graphics, and fast, fluid gaming.²
  • Customize Your Screen View with the Switch App: The Switch app transforms your screen into a multitasking hub for work and gaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey.³
  • Battlestation Upgrade Adjustable to Gamer Specs: Go big with the virtually borderless 34” OLED screen. UltraGear's sleek, slim design offers adjustable height, tilt, and swivel control for your ideal view, while RGB hexagonal backlighting sets the mood for your battlestation.
Whats Included
  • Monitor
  • Power Cable
  • DisplayPort Cable
  • HDMI Cable
  • USB Type-C Cable
Product Manuals
Disclaimers
  • ¹Actual refresh rates may vary depending on computer graphics specifications and configurations.
  • ²Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.
  • ³Software installation required. Visit Support on LG.com to download.

Q: Does this have a remote and does it have streaming capabilities built In?

A: I don't think it has streaming but it does not have a remote. All of its functions are accessed through the OSD using a joystick-type nub behind the bottom of the panel.

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LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black
LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black

Experience lightning-quick speed with up to a 240Hz refresh rate¹ and 0.03ms response time on a huge 34 Inch WQHD curved OLED monitor. The steep 800R curve surrounds you in the action. And with the 240Hz refresh rate, and 0.03ms response time, the action is fast, the play seamless and precise. Dive into UltraGear OLED’s immaculate visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. Adaptive sync technologies FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear-free, stutter-free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed for gamers, the virtually borderless design complements any gaming setup, with height, tilt, and swivel adjustments for optimal comfort. The RBG backlighting creates the mood that’ll upgrade any battlestation.

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Take command of every battle with a 32" 4K UHD (3840 x 2160) glossy OLED display engineered for gamers who demand more. Experience the ultimate balance of clarity and speed with Dual-Mode refresh rates—crisp 4K UHD at 165Hz for immersive story-driven play, or Full HD at an electrifying 330Hz¹ when every millisecond counts. With an ultra-fast 0.03ms response time, you’ll react instantly, keeping gameplay sharp and responsive. VESA DisplayHDR True Black 400 and up to 98.5% DCI-P3 color coverage reveal stunning contrast, deep blacks, and vivid detail that bring worlds to life. NVIDIA G-SYNC compatablity and AMD FreeSync Premium Pro keeps frames smooth and tear-free. Complete with a tilt, swivel, height, and pivot adjustable stand, this UltraGear OLED monitor adapts to your perfect setup. Built for performance, precision, and comfort—it’s everything you need to stay ahead of the competition.

LG - UltraGear 45" OLED QHD 240Hz 0.03ms G-Sync/FreeSync Premium Pro Smart Gaming Monitor with DisplayHDR 400 TRUE - Black

Experience lightning-quick speed with up to a 240Hz refresh rate¹ and 0.03ms response time on a huge 45" WQHD curved OLED monitor. UltraGear Fact: The 45-inch 21:9 45” UltraGear OLED monitor delivers more screen area than a 49-inch 32:9 aspect ratio screen. The sweeping, steep 800R curve surrounds you in the action. And with the 240Hz refresh rate, and 0.03ms response time, the action is fast, the play seamless and precise. Dive into UltraGear OLED’s immaculate visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. LG's game-changing webOS streaming platform adds ease and versatility, letting you enjoy your favorite entertainment streaming platforms as well as cloud gaming services from one, simple to access home screen. Adaptive sync technologies FreeSync Premium Pro and NVIDIA G-SYNC compatibility ensure tear-free, stutter-free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed for gamers, the virtually borderless design complements any gaming setup, with height, tilt, and pivot adjustments for optimal comfort. The RBG backlighting creates the mood that’ll upgrade any battlestation.

Pros for LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black
Overall Performance, OLED Quality, Refresh Rate, Connectivity, DesignRefresh Rate, Connectivity, Color Quality, Contrast, HDR PerformanceOLED Quality, Refresh Rate, Picture Quality, Black Levels, PerformanceOverall Performance, OLED Quality, Refresh Rate, Screen Size, Resolution
Cons for LG - UltraGear 34" OLED Curved WQHD 240Hz 0.03ms AMD FreeSync Premium Pro Gaming Monitor with HDR (DisplayPort, HDMI, USB-C) - Black
Screen TypeSpeakersFlickeringText Clarity, Connectivity, Software

Specs

Reviews

Customers are saying

Customers are impressed with the UltraGear 34" monitor's picture quality and performance. Many are satisfied with the visual experience and how well the monitor operates. However, some customers have reported concerns about the OLED quality, mentioning issues such as a blinking green and blue line appearing on the screen. Overall, the monitor seems to deliver a great experience, but potential buyers should be aware of the reported OLED quality issues.

This summary was generated by AI based on customer reviews.

Customer Images

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.

  • Rated 5 out of 5 stars

    bought for coding - works great

    i work as a dev. i was worried this monitor because its rated for gaming would suck with text. it's actually pretty sweet. such a beautiful monitor also. i have it hanging on an arm in my office. fits my build so well. currently, my favorite monitor. i had another lg (the top right in the attached photo) as my main monitor for 5 years... that one i love. i upgraded to this, and it really felt like an upgrade. i use it for coding + daily use as well as work and it's just awesome. when i lock in, ill bring it forward and i love the curve. feels so good. sometimes i will play games on geforce now. it looks fine. i didnt buy it for gaming

    ruszaol Posted

  • Rated 5 out of 5 stars

    Amazing couldn’t be happier

    So glad I caught this beast of a monitor on sale. The picture quality is simply amazing. The hdr is top tier the refresh rate high. Can’t really go wrong wit this one. The 800r curve does take time adjusting

    WilliamC Posted

  • Rated 5 out of 5 stars

    Perfect Monitor for Home Office and Gaming

    I recently purchased the LG UltraGear 34” OLED Curved WQHD 240Hz Gaming Monitor, and it has exceeded every expectation. I primarily use it with my Apple laptop for my home office setup via a USB-C to DisplayPort cable, and the experience has been outstanding. The image quality is phenomenal, especially after running calibration on both my work laptop and my gaming laptop. I also connected my gaming laptop through HDMI, and the monitor handles both devices flawlessly. The colors are vibrant, the contrast is incredible thanks to the OLED panel, and the 240Hz refresh rate with 0.03ms response time makes everything—from productivity to gaming—feel incredibly smooth. AMD FreeSync Premium Pro and HDR support are just the icing on the cake. Overall, this monitor has elevated both my work and gaming experience. Highly recommended!

    PacoR Posted

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