LG Ultragear 39GX900A-B 39” OLED Curved WQHD Gaming Monitor - 240Hz, 0.03ms, G-SYNC & FreeSync Premium Pro, HDMI 2.1, DisplayPort 1.4, USB-C, VESA, Anti-Glare, HDR True Black, 800R Curve
About this product
About this item The 240Hz OLED Gaming Monitor That’s Ahead of the (800R) Curve — 39" WQHD OLED with a steep 800R curve and up to 1300-nit (APL 1.5%) peak brightness pulls you into the action; 240Hz and 0.03ms (GtG) keep gameplay fast and fluid.
Up to 240Hz & 0.03ms – Outrageous OLED Gaming Speed — Respond faster and track targets with near-instant pixel transitions that cut lag and ghosting for competitive play.
Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC Compatible — Tear-free, stutter-free visuals across PC and next-gen consoles for consistently smooth frames.
Bright Picture, Deep Blacks, Brilliant Detail — OLED delivers up to 98.5% DCI-P3, 1.5M:1 contrast, and DisplayHDR True Black 400 for cinematic color and shadow detail.
The 800R Curve: Surround Yourself in the Action — A dramatic 800R wrap enhances peripheral vision for deeper immersion in every scene.
Low Glare, More Focus — An anti-glare OLED surface helps minimize reflections so you can stay locked on every objective and every win.
Unlock Your Potential with Advanced Gaming Tools — Dynamic Action Sync, Black Stabilizer, FPS Counter, and Crosshair give you real-time advantages and precision.
Serious Connectivity for Serious Gamers — HDMI 2.1, DisplayPort 1.4, and USB Type-C with up to 65W power delivery support high-res, high-frame gameplay and single-cable setups.
Battlestation Upgrade, Adjustable to Gamer Specs — Virtually borderless 39" OLED with height/tilt/swivel stand and RGB hexagonal backlight to match your setup.
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.
Editor's Take
Amazon and Best Buy reviews for the LG Ultragear 39GX900A-B are limited but strongly positive so far. Best Buy reviewers describe it as beautiful, high-quality, and exactly the right size, with praise for the HDMI 2.1, DisplayPort 1.4, and USB-C connectivity. Best Buy’s listed rating is 4.3/5 from 3 reviews, which suggests early buyers are mostly satisfied.
YouTube reviews are overwhelmingly favorable. Multiple reviewers highlight the monitor’s 240Hz OLED smoothness, 0.03ms response time, deep contrast, immersive 800R curve, and strong HDR performance. The most repeated themes are excellent gaming motion, premium build quality, and a very immersive ultrawide experience, with some reviews framing it as a top-tier upgrade for serious gamers.
There was not enough Reddit or forum coverage surfaced in the available results to draw a reliable consensus from those sources alone.
Price History
Specifications
| Resolution | 1440p |
| Refresh Rate | 240 |
| Panel Type | OLED |
| Curved | Yes |
| Ultrawide | No |
Product Details
| Aspect Ratio | 21:9 |
| Screen Finish | Matte |
| Contrast Ratio | 1500000:1 |
| Refresh Rate | 240 hertz |
| Display Type | OLED |
| Display Technology | OLED |
| Viewing Angle | 178 degrees |
| Brightness | 275 candela_per_square_meter |
| Pixel Pitch | 0.27 |
| Color Gamut | 98.5 |
| Picture Quality Enhancement Technology | DisplayHDR 400 TRUE BLACK, HDR10 |
| Screen Size | 39 inches |
| Item Dimensions D x W x H | 12.71"D x 34.95"W x 23.85"H |
| Item Weight | 11.5 kg |
| Resolution | QHD Ultra Wide 1440p |
| Display Resolution Maximum | 3440 x 1440 pixels |
| Native Resolution | 3440x1440 |
| Response Time | 0.03 milliseconds |
| Total Number of HDMI Ports | 2 |
| Total Usb Ports | 1 |
| Number of Component Outputs | 2 |
| Total USB 3.0 Ports | 2 |
| Additional Features | Anti Glare Screen, Black Stabilizer, Crosshair, Dynamic Action Sync, Energy Efficient |
| Specific Uses For Product | Gaming |
| Color | White |
| Mounting Type | Wall Mount |
| Warranty Type | 2 Years Manufacturer Warranty |
| Shape | Curved |
| Brand | LG |
| Model Number | 39GX900A-B |
| Model Name | LG39GX900AB |
| Warranty Description | 2 Year Manufacturer |
| UPC | 195174127124 |
| Manufacturer | LG |
| Included Components | Display Port Cable, HDMI Cable, Monitor, Power Cable, USB-C Cable |
| Best Sellers Rank | #22,244 in Electronics ( See Top 100 in Electronics ) #607 in Computer Monitors |
| ASIN | B0FDC84LWV |
| Customer Reviews | 4.5 out of 5 stars |
| Power Consumption | 67 watts |
| Connectivity Technology | DisplayPort, HDMI, USB Type C |
| Hardware Connectivity | HDMI |
| Adaptive Sync | FreeSync Premium, G-Sync Compatible |
