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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

OPEN BOX

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

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Overview

Specs

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Display
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

Connectivity
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
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

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

Dimensions & Weight
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

Packaging
Package Contents	HDMI cable, DisplayPort cable, USB Type-C cable, Power cord/adapter, Quick Setup Guide and Warranty information

Additional Information
First Listed on Newegg	March 05, 2026

Warranty & Returns