LG 45GX90SA-B UltraGear 45-inch WQHD (3440×1440) Curved Smart OLED Gaming Monitor

The LG UltraGear 45GX90SA-B is a 45-inch, 800R curved OLED gaming monitor designed for ultimate immersion and, high-speed, competitive performance. Featuring a WQHD (3440 x 1440) resolution on an ultrawide 21:9 screen, it offers a dramatic, wrapping view that enhances both gaming and content creation. Key performance specs include a blazing-fast 240Hz refresh rate and an near-instant 0.03ms (GtG) response time, ensuring crystal-clear, ghost-free visuals during fast-paced action. The OLED panel delivers exceptional, inky blacks, a 1,500,000:1 contrast ratio, and 98.5% DCI-P3 color gamut coverage, producing vibrant, cinema-quality visuals. It is also VESA DisplayHDR True Black 400 certified for superior brightness and contrast. Built for, advanced, tear-free, gaming, the 45GX90SA-B supports AMD FreeSync Premium, NVIDIA G-SYNC compatibility, and VESA AdaptiveSync. Beyond,, gaming, the, monitor integrates LG's webOS, providing direct access to popular streaming services, making it a versatile smart entertainment hub. It also features robust connectivity with HDMI 2.1, DisplayPort 1.4, and USB Type-C, alongside, an ergonomic, stand, allowing for, flexible height, tilt, and swivel adjustments. The anti-glare panel and, eye-care, technologies, such as, low blue light, ensure comfort during long sessions. 

Specifications

Display     
Screen Size    44.5"
Native Resolution    WQHD (3440 x 1440)
Resolution    QHD
Aspect Ratio    21:9
Display Type    OLED
Pixel Pitch    0.303 x 0.303 mm
Refresh Rate    240Hz
Response Time (GTG)    0.03ms (GtG at Faster)
Viewing Angle    178º (R/L), 178º (U/D)
Curvature    800R
Surface Treatment    Anti-Glare, Low-Reflection of the front polarizer
Brightness (Typical/Min)    275 / 250 cd/m²
Peak Brightness (HDR)    1300 cd/m² (@ HDR 1.5% APL)
Contrast Ratio (Typ.)    1.5M:1
Color Gamut (Typ.)    DCI-P3 98.5% (CIE1976)
VESA DisplayHDR™    DisplayHDR™ TRUE BLACK 400
VESA DSC    Yes
UltraWide    Yes
Features     
RGB LED Lighting    Hexagon Lighting
HDR10 / HDR Effect    Yes / Yes
G-Sync™ Compatible    Yes
AMD FreeSync™ / Premium    Yes
VESA Adaptive Sync    Yes
LG Switch    Yes
Auto Brightness    Yes
Black Stabilizer®    Yes
Crosshair®    Yes
Dynamic Action Sync®    Yes
FPS Counter    Yes
Factory Calibration    Yes
Reader Mode    Yes
Smart Energy Saving    Yes
True Color Pro    Yes
User Defined Key    Yes
PBP / PIP    Yes / Yes
Color Weakness Mode    No
Key Lock    Yes
Equalizer    Yes
Smart Features     
Smart Monitor / webOS 24    Yes
Voice Recognition    Yes (Magic Remote sold separately)
Screen Share    Yes
Wi-Fi / Bluetooth    Yes / Yes
USB Media Player    Yes
Remote Desktop    Yes
Home Hub / LG ThinQ App    Yes / Yes
AirPlay    Yes
Quick Start    Yes
Web Browser    Yes
Connectivity     
HDMI Ports    2 (Version 2.1)
DisplayPort    1 (Version 1.4, HDCP 2.3)
USB-C    1 (3440x1440@240Hz, Data Transmission, Power Delivery 65W)
USB Downstream    2 (USB 2.0)
USB Upstream    1 (USB-C)
Headphone Out    Yes (3-Pole)
LAN (RJ-45)    Yes
Power     
Type    External Power (Adapter)
Input    100-240V (50/60Hz)
Power Consumption (Typ.)    92W
Power Save / Sleep Mode    < 0.5W
Ergonomics & Design     
Stand Adjustments    Tilt (-115°) / Height (120mm) / Swivel (-1010°)
Detachable Base / One Click Set-up    Yes / Yes
Wall Mount    100 x 100 mm
Dimensions & Weight     
With Stand (W×H×D)    39.1" x 26.1" x 13.3" (Up) / 39.1" x 21.3" x 13.3" (Down)
Without Stand (W×H×D)    39.1" x 18" x 8.6"
Shipping Dimensions (W×H×D)    45" x 11.9" x 21.7"
Weight With / Without Stand    29.8 lbs / 19.6 lbs
Shipping Weight    41.7 lbs
Box Content   
USB-C Cable    Yes
HDMI Cable    Yes
DisplayPort Cable    Yes
Remote Control    Yes