LG Electronics
LG UltraGear 45GX900A-B 45" Class UW-QHD Curved Screen Gaming OLED Monitor - 21:9 - Black
- SKU:
- 21304779
- MPN:
- 45gx900a-b
- Availability:
- Out of stock
- Stock Update:
- 05/09/2026 03:29:48 AM PST
- Stock Update:
- 05/09/2026 03:29:48 AM PST
Description
This item is brand-new, factory sealed.
LG 45GX900A-B 45-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black- The 240Hz OLED gaming monitor thats Ahead of the (800R) Curve -The huge 45 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.
- Size Matters in OLED Gaming - The 21:9 45 UltraGear OLED delivers the ultimate ultra-wide screen space for gaming, offering more screen area than a 49 32:9 screen. Get ready for a bigger, more immersive gaming experience that pulls you deeper into the action.
- 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 clarityso 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.
- Aspect Ratio: 21:9
- Screen Finish: Matte
- Contrast Ratio: 1500000:1
- Refresh Rate: 240 Hz
- Display Type: OLED
- Display Technology: WQHD
- Viewing Angle: 178 Degrees
- Brightness: 275 Candela per Square Meter
- Pixel Pitch: 0.303
- Color Gamut: 90.0
- Has Color Screen: Yes
- Picture Quality Enhancement Technology: DisplayHDR True Black 400, HDR 10
- Screen Size: 44.5 Inches
- Item Dimensions D x W x H: 13.3"D x 39.1"W x 26.1"H
- Item Weight: 29.76 Pounds
- Resolution: QHD Ultra Wide 1440p
- Display Resolution Maximum: 3440 x 1440 Pixels
- Native Resolution: 3440x1440
- Connectivity Technology: DisplayPort, HDMI, USB Type C
- Hardware Connectivity: DisplayPort, HDMI, USB Type C
- Adaptive Sync: FreeSync Premium Pro, G-Sync Compatible
- Additional Features: Built-In Speakers, Curved, Dynamic Action Sync, Height Adjustment, High Dynamic Range, Swivel Adjustment, Ultrawide Screen
- Specific Uses For Product: Gaming, Multimedia, Personal
- Color: Black
- Mounting Type: Wall Mount
- Warranty Type: 2 Years Manufacturer Warranty
- Shape: Curved
- Brand: LG
- Model Number: 45GX900A-B.AUS
- Model Name: 45GX900A-B.AUS
- UPC: 195174124062
- Manufacturer: LG Electronics Inc.
- Built-In Media: DisplayPort Cable, HDMI 2.1 Cable, Monitor, USB-C Cable
- Warranty Description: 2 Year Manufacturer
- Response Time: 0.03 Milliseconds
- Total Number of HDMI Ports: 2
- Total Usb Ports: 3
- Total USB 3.0 Ports: 2
Experience -quick speed with up to a 240Hz refresh rate and 0.03ms response time on a massive 45" WQHD curved OLED monitor.
UltraGear Fact: The 45-inch 21:9 45 Inch 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 OLEDs 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 pivot adjustments for optimal comfort. The RBG backlighting creates the mood thatll upgrade any battlestation.
Source: Circana, LLC, Retail Tracking, Monitors, Gaming Designed, Display Type: OLED, Dollars, Jan - Dec 2025
Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.
Software installation required. Visit Support on LG.com to download.
Package Contents:
- 45 Inch UltraGear™ OLED WQHD 240Hz 0.03ms G-Sync Compatible 800R Curved Gaming Monitor
- USB Type-C Cable
- Display Port Cable
- HDMI Cable
Features
Yes
Package Contents:
- 45 Inch UltraGear™ OLED WQHD 240Hz 0.03ms G-Sync Compatible 800R Curved Gaming Monitor
- USB Type-C Cable
- Display Port Cable
- HDMI Cable
Application/Usage:
Gaming
Country of Origin:
Mexico
Specs
| Built-in Devices | |
| Built-in Devices | USB Hub |
| Power Description | |
| Frequency |
|
| Physical Characteristics | |
| VESA Mount Compatible | Yes |
| Weight (Approximate) | 19.60 lb |
| Product Color | Black |
| Width with Stand | 39.10" |
| Compressed Height with Stand | 21.30" |
| Weight with Stand (Approximate) | 29.80 lb |
| Depth | 8.6" |
| Height with Stand | 26.10" |
| Extended Height with Stand | 26.10" |
| VESA Mount Standard | 100 x 100 |
| Bezel Finishing | Matte |
| Depth with Stand | 13.30" |
| Height | 18" |
| Color Family | Black |
| Width | 39.1" |
| Warranty | |
| Limited Warranty | 2 Year |
| Interfaces/Ports | |
| USB Type-C | Yes |
| Number of USB Ports | 3 |
| HDMI Version | <p>2.1</p> |
| Number of DisplayPorts | 1 |
| USB | Yes |
| DisplayPort | Yes |
| Number of HDMI 2.1 Ports | 2 |
| HDMI | Yes |
| Total Number of HDMI Ports | 2 |
| Number of USB 3.0 Downstream Ports | 2 |
| Total Number of USB Type-C Ports | 1 |
| Video | |
| Brightness | 275 Nit |
| Maximum Resolution | 3440 x 1440 |
| Brightness (Peak) | 250 Nit |
| Dynamic Contrast Ratio | 1,500,000:1 |
| Standard Refresh Rate | 240 Hz |
| Color Gamut | 98.5% DCI-P3 (CIE 1976) |
| Color Supported | 1.07 Billion Colors |
| Tearing Prevention Technology | Adaptive Sync/FreeSync Premium Pro/G-sync Compatible |
| General Information | |
| Brand Name | LG |
| Manufacturer Website Address | https://solutions.lg.com/us |
| Marketing Information | The 240Hz OLED Smart gaming monitor that's ahead of the (800R) curve The huge 45" 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. Size Matters in OLED Gaming The 21:9 45" UltraGear OLED delivers the ultimate ultra-wide screen space for gaming, offering more screen area than a 49" 32:9 screen. Get ready for a bigger, more immersive gaming experience that pulls you deeper into the action. 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 Stay in the zone with an OLED screen that's designed to minimize glare and reflections. The anti-glare surface reduces light distractions, so you can keep your attention where it matters-on every move, every target, and every win. 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. Customize Your Screen View with the Switch App The Switch app transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey. Battlestation upgrade Adjustable to Gamer Specs Go big with the virtually borderless 45" 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. |
| Product Type | Gaming OLED Monitor |
| Product Name | 45 Inch UltraGear™ OLED WQHD 240Hz 0.03ms G-Sync Compatible 800R Curved Gaming Monitor |
| Manufacturer | LG Electronics |
| Manufacturer Part Number | 45GX900A-B.AUS |
| Product Model | 45GX900A-B |
| Product Series | GX9 |
| Product Line | UltraGear |
| Technical Information | |
| Response Time Details | 0.03 ms GTG |
| Curved Screen | Yes |
| Viewable Screen Size | 44.5" |
| Response Time | 0.03 ms |
| Aspect Ratio | 21:9 |
| Panel Technology | OLED |
| Pixel Pitch | 0.30300 mm x 0.30300 mm |
| Vertical Viewing Angle | 178° |
| Flicker Free | Yes |
| Stand Adjustments |
|
| Mount Type | Wall Mountable |
| Surface Treatment | Anti-glare |
| Screen Mode | UW-QHD |
| Number of Screens | 1 |
| Features |
|
| HDMI Feature Support | Variable Refresh Rate (VRR) |
| Horizontal Viewing Angle | 178° |
| Adjustable Stand | Yes |
| Curvature | 800R |
| Screen Size Class | 45" |
| Audio | |
| Number of Speakers | 2 |
| Speakers | Yes |
Warranty Information