NEW
LG - UltraGear evo 45

LG - UltraGear evo 45" 5K2K OLED 165Hz 0.03ms G-SYNC FreeSync Premium Pro Gaming Monitor with DisplayHDR400 TRUE - Black

GIGABYTE - GS32QCA - 31.5

GIGABYTE - GS32QCA - 31.5" VA Curved Gaming Monitor - QHD 2560x140 - Black

LG - UltraGear 45" WQHD OLED 240Hz 0.03ms G-SYNC FreeSync Premium Pro Gaming Monitor with DisplayHDR400 TRUE - Black

Lease to Own at
est. $87 /week*
SKU
45GX90SB-B
SKU: 45GX90SB-B

The UltraGear 45” OLED Smart gaming monitor delivers the speed, scale, and smart performance serious players demand. The ultra-wide 21:9 display provides more usable screen space than a 49” 32:9 setup, giving you a broader view for deeper, more controlled gameplay. OLED technology powers vivid color, deep blacks, and a 1.5M:1 contrast ratio, enhanced by DisplayHDR True Black 400 and up to 98.5% DCI-P3 coverage. Stay competitive with a 240Hz refresh rate¹ and ultra-fast 0.03ms (GtG) response time for sharp, fluid motion with reduced blur. NVIDIA G-SYNC Compatible² and AMD FreeSync Premium Pro help keep gameplay smooth and tear-free. MLA+ technology boosts brightness up to 1300 nits peak for stronger highlights and better visibility. The 800R curve pulls you deeper into the action, while the virtually borderless design keeps your focus locked in. Built-in webOS lets you stream content or jump into cloud gaming—no PC or console required. USB-C with 65W power delivery simplifies your setup, while the adjustable stand keeps you comfortable through every session.

  • OLED Gaming Just Went Smart
    The UltraGear 45” OLED gaming monitor combines ultra-wide scale, 240Hz speed, and 0.03ms response time for sharp, fluid gameplay with stunning contrast and color. With built-in webOS for streaming and cloud gaming, plus USB-C connectivity, it delivers a complete gaming and entertainment setup in one display.

  • The webOS-powered smart gaming monitor
    Meet the smart gaming monitor powered by webOS and AI—built for how you play.³ Stream your favorite services and shows with free LG Channels and top apps, or jump straight into cloud gaming—no PC or console required. Everything’s right on screen, easily controlled with the remote for quick, hassle-free access.

  • alpha 8 AI Processor Powers Smarter Performance
    Powered by the alpha 8 AI Processor 4K Gen9, your Smart Monitor intelligently optimizes picture and sound in real time. Think of it as the brain behind the experience—enhancing sharpness, balancing brightness, and improving audio clarity so everything looks and sounds better with less effort.

  • AI Sound Enhances Voices and Key Audio Cues
    The AI Sound setting analyzes on-screen action and separates voices, sound effects, and background audio. AI Sound helps keep team comms clear while highlighting important gameplay cues—like approaching footsteps or nearby action—through speakers or connected headphones.

  • The LG Gaming Portal is now open
    Browse LG’s Gaming Portal⁴ with a gamepad or remote, track rankings and points, and jump into a wide mix of games—from AAA titles to casual favorites. With access to leading cloud gaming services including Xbox Cloud Gaming, GeForce NOW, and Amazon Luna, plus native webOS app games, you can start playing instantly—no console or PC required.

  • 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.

  • Bright OLED with MLA+
    MLA+ pushes OLED brightness further, hitting up to 1300 nits peak for stronger highlights and better visibility in every scene. By improving light efficiency and reducing loss, MLA+ delivers brighter, visuals with enhanced contrast—so games look sharper and more defined.

  • 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.

  • 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.

  • Three UL Certifications. One Clear Advantage for Eye Comfort.
    This UltraGear OLED display is five times UL-certified⁵—for Discomfort Glare Free, Flicker-Free, and Low Blue Light. Combined with a matte anti-glare finish, the display helps reduce distractions, keep your view crisp, and maintain visual comfort—so you can stay focused and perform at your best, even during extended gaming sessions.

  • 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.

  • NVIDIA G-SYNC Compatible & AMD FreeSync Premium Pro
    Minimize screen tearing and stuttering with NVIDIA G-SYNC compatibility and AMD FreeSync Premium Pro. These adaptive sync technologies help keep gameplay smooth and responsive by matching the monitor’s refresh rate to your GPU—so fast action stays clear with reduced blur and ghosting.

  • Serious Connectivity for Serious Gamers
    Simplify your setup with USB-C—connect your laptop and get up to 65W power delivery through a single cable. For gaming, tap into WQHD resolution at up to 240Hz via DisplayPort 1.4 or HDMI 2.1 for smooth, seamless performance.

  • Personalize Your Display with Switch App
    With the LG Switch app⁶, easily optimize your monitor for gaming or everyday use. Adjust brightness, fine-tune image quality, apply settings with a hotkey, split the screen into 11 layouts, and launch video calls in a click.

  • Action As It Happens with Dynamic Action Sync
    Dynamic Action Sync minimizes input lag for faster reactions—so you can respond to every move, shot, or turn the instant it happens.

  • Black Stabilizer
    Black Stabilizer brightens dark scenes, helping gamers spot enemies hiding in the shadows and react quickly during sudden flashes—keeping you one step ahead in every battle.

  • Advantage of Accuracy with Crosshair
    Crosshair offers an accuracy advantage with center-display crosshairs that provide enhanced vision and precision for increased accuracy in first-person shooter games.

  • Battlestation upgrade Adjustable to Gamer Specs
    Go bigger with a virtually borderless 45” OLED display built to keep you locked in. UltraGear’s slim, streamlined design pairs with height, tilt, and swivel adjustments—so you can dial in your perfect view and stay comfortable through every session.

More Information
Manufacturer LG
Set Product as New from Date Jun 2, 2026
Set Product as New to Date Aug 2, 2026
Specification

Brand

LG

Model Number

45GX90SB-B

Product Name

UltraGear 45" WQHD OLED 240Hz 0.03ms G-SYNC FreeSync Premium Pro Gaming Monitor with DisplayHDR400 TRUE BLACK

Color

Black

Refresh Rate

240Hz

Maximum Resolution

3440 x 1440

Native Resolution

3440 x 1440

Contrast Ratio

1,500,000:1

Response Time

0.03 milliseconds

Display Type

OLED

Panel Type

Not Applicable

Synchronization Technology

FreeSync Premium Pro (AMD Adaptive Sync)

Aspect Ratio

21:09:00

Curved Screen

Yes

Brightness

275 candela per square meter

Screen Size

44.5 inches

High Dynamic Range (HDR)

Yes

High Dynamic Range Format

VESA Certified DisplayHDR 400 True Black

Number of DisplayPort Inputs (Total)

1

Number of HDMI Inputs (Total)

2

Display Connector(s)

2 x HDMI 2.1

Number of USB Ports (Total)

3

USB Ports

2 x USB-A

Headphone Jack

Yes

Wall Mountable

Yes

Tiltable

Yes

Adjustable Stand Height

Yes

Built-In Webcam

No

Integrated Speaker(s)

Yes

Product Height With Stand

26.1 inches

Product Height Without Stand

18 inches

Product Width

39 inches

Product Depth (With Stand)

13.3 inches

Product Depth Without Stand

8.6 inches

Product Weight

30 pounds

Stand Included

Yes

ENERGY STAR Certified

No

EPEAT Qualified

No

Operating System Compatibility

Not Applicable

Warranty - Parts

2-Year Parts and Labor

Warranty - Labor

2-Year Parts and Labor

Hard Drive 8 GB
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