LG UltraGear 45" WQHD 2K 1440P 240Hz AMD FreeSync Premium Pro & G-Sync Compatible 0.03ms HDR400 USB-C OLED Curved Gaming Computer Monitor with Height Adjustable, Swivel & Tilt Stand 45GX900A-B

Size: 45"

34"
39"
45"

The 240Hz OLED 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.

LG UltraGear 45GX900A-B HDR400 USB-C OLED Curved Gaming Computer Monitor

The 240Hz OLED 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.

Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC

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

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.

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.

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.

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.

Unlock Your Potential with Advanced Gaming Features

1. Dynamic Action Sync reduces input lag for real-time response.

2. Black Stabilizer brightens dark scenes to see what's hidden.

3. FPS Counter shows your real-time frame rate.

4. Crosshair enhances precision for deadly accuracy.

Serious Connectivity for Serious Gamers

For next gen console gaming or PC gaming, with HDMI 2.1, DisplayPort 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 and gaming. 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 slim design offers adjustable height, tilt, and swivel control for your ideal view, while RGB hexagonal backlighting sets the mood.

Screen Size	45"
Panel	OLED
Display Type	WQHD
Adaptive Sync Technology	FreeSync Premium Pro (AMD Adaptive Sync)
Resolution	3440 x 1440 (2K)
Viewing Angle	178° (H) / 178° (V)
Aspect Ratio	21:9
Brightness	275 cd/m2
Contrast Ratio	1,500,000:1
Response Time	0.03 ms
Color Gamut	DCI-P3 98.5% (CIE1976)
Display Colors	1.07 Billion
Monitor Pixel Density	0.266mm
Refresh Rate	240Hz
HDR Standard	HDR10
VESA Certified DisplayHDR	DisplayHDR True Black 400
Curved Surface Screen	Curved
Curvature Radius	800R

HDMI	2 x HDMI 2.1
DisplayPort	1 x DisplayPort 1.4
Video Ports	1 x DisplayPort 1.4 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
USB Ports	1 x USB Type-C / 2 x USB 3.0 Type-A Downstream
Headphone	4-pole (Sound+Mic)

Power Supply	100 - 240 VAC, 50/60Hz
Power Consumption	Power Save/Sleep Mode (Max): Less than 0.5W DC Off (Max): Less than 0.3W

Stand Adjustments	Height, Swivel, Tilt
Built-in Speakers	2 x 7W
Built-in Webcam	No
VESA Compatibility - Mountable	100 x 100mm

Dimensions	21.3"-26.1" x 39.1" x 13.3" with stand 18" x 39.1" x 8.6" without stand
Weight	29.8 lbs. with Stand 19.6 lbs. without Stand

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LG UltraGear 45" WQHD 2K 1440P 240Hz AMD FreeSync Premium Pro & G-Sync Compatible 0.03ms HDR400 USB-C OLED Curved Gaming Computer Monitor with Height Adjustable, Swivel & Tilt Stand 45GX900A-B

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Brand	LG
Series	UltraGear
Model	45GX900A-B
Part Number	45GX900A-B
Cabinet Color	Black

Item#: N82E16824026491

Best Sellers

LG UltraGear 45" WQHD 2K 1440P 240Hz AMD FreeSync Premium Pro & G-Sync Compatible 0.03ms HDR400 USB-C OLED Curved Gaming Computer Monitor with Height Adjustable, Swivel & Tilt Stand 45GX900A-B

Learn more about the LG Electronics 45GX900A-B

Customer Reviews of the LG Electronics 45GX900A-B

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info