LG 45" OLED Gaming Monitor – Ultra-HD | Black | 45GX90SA-B
- 45″ curved WQHD (3440×1440) OLED display with 800R immersion
- Ultra-fast 240 Hz refresh rate and 0.03 ms (GtG) response time
- Summoning smart streaming and gaming—webOS platform built-in
- Adaptive Sync: HDMI 2.1, DisplayPort 1.4, FreeSync Premium, G-Sync Compatible
- Vivid visuals backed by DisplayHDR True Black 400, 1.5M:1 contrast, DCI-P3 98.5%
- Wide connectivity: 2× HDMI 2.1, DP 1.4, USB-C (65 W PD), USB-A, audio out
- Stylish L-stand with hexagon RGB lighting and ergonomic adjustability
The LG 45GX90SA-B crowns the UltraGear lineup with a 45-inch ultrawide OLED panel, immersive 800R curvature, and sharp WQHD resolution. This curved beauty wraps around your field of view, plunging you into the action. Pro-level performance comes with its 240 Hz refresh rate and lightning-fast 0.03 ms response time, minimizing motion blur and latency for competitive play.
Built on OLED technology, this monitor delivers true blacks, brilliant contrast (up to 1.5 million:1), and color accuracy—98.5% of DCI-P3 with DisplayHDR True Black 400. Its built-in webOS platform lets you dive into streaming services and cloud gaming apps right from your desk—making it just as ideal for downtime as for play.
Game without limits thanks to full Adaptive Sync support—AMD FreeSync Premium and NVIDIA G-Sync® compatibility remove tearing and stutter. Connections are robust, offering 2× HDMI 2.1, DisplayPort 1.4, a full-featured USB-C port with 65 W power delivery, USB-A hubs, and audio out. The elegant L stand offers tilt, swivel, and height adjustments, complemented by ambient hexagon RGB lighting to enhance setup aesthetics.
| Delivery Option | 2 Hrs Delivery |
|---|---|
| Brands | LG |
| Model | 45GX90SA‑B |
| USB-C / Thunderbolt™3 | USB‑C supported with DisplayPort Alt Mode, data, and up to 65 W power delivery |
| Stand | Yes |
| Speaker | Built‑in stereo speakers |
| Screen Size | 45″ |
| Resolution | UWQHD (3440 × 1440) |
| Picture Quality | Anti‑glare, webOS smart features, features like AI Picture, Dynamic Tone Mapping, AI Sound, Black Stabilizer, Crosshair, FPS Counter, hexagon lighting |
| Panel Type | 45″ curved WOLED (800R) |
| Interface | 2× HDMI 2.1, 1× DisplayPort 1.4, 1× USB‑C (DP Alt, data, 65 W PD), 2× USB‑A downstream, RJ‑45 Ethernet, 3.5 mm headphone jack |
| Power Consumption (Sleep Mode) | 0.5 W |
| Power Consumption (Typ.) | 46 kWh (SDR) per 1000 h |
| Power Consumption (Max.) | 46 kWh (HDR) or ~40 kWh (SDR) per 1000 h usage |
| Power Consumption (DC Off) | 0.5 W |
| Type | Curved OLED gaming monitor with webOS smart hub and advanced gaming features |
| AC Input | AC 100–240 V, external adapter |
| Power Save/Sleep Mode (Max) | 0.5 W |
| Input | HDMI, DisplayPort, USB‑C (video); USB‑A; Ethernet; audio |
| DC Off (Max) | 0.5 W in standby/off mode |
| Wall Mount Size (mm) | VESA 100 × 100 mm mount supported |
| Display Position Adjustments | Tilt, swivel, height adjustment supported |
| Tilt (Angle) | Tilt supported |
| DisplayPort | DisplayPort 1.4 input supported |
| Headphone Out | 3.5 mm headphone jack present |
| HDMI | 2× HDMI 2.1 inputs |
| Response Time (GTG) | 0.03 ms |
| Pixel Pitch (mm) | 0.303 × 0.303 mm |
| Color Depth (Number of Colors) | 1.07 billion (10‑bit) |
| Surface Treatment | Anti‑glare, low‑reflection front polarizer |
| Viewing Angle | 178° horizontal / 178° vertical |
| Contrast Ratio | Min 1,200,000:1; Typ 1,500,000:1 |
| Brightness | Min 250 cd/m²; Typ 275 cd/m²; peak up to 1300 cd/m² (APL 1.5 %) |
| Aspect Ratio | 21:9 |
| Color Gamut (Typ.) | DCI‑P3 98.5 % |
| 3-Side Virtually Borderless Design | Yes |
| User Defined Key | Yes |
| VESA Adaptive Sync | Yes |
| AMD FreeSync | Yes, FreeSync Premium supported |
| HDR 10 | Yes |
| FPS Counter | Yes |
| HDR Effect | Yes |
| Dynamic Action Sync | Yes (DAS Mode) |
| Factory Calibrated | Yes |
| Crosshair | Yes |
| Black Stabilizer | Yes |
| Dynamic Action Sync® | Yes |
| Black Stabilizer® | Yes |
| Reader Mode | Yes |
| Flicker Safe | UL‑verified Flicker‑Free, Discomfort Glare Free, Low Blue Light hardware solution |
| Smart Energy saving | Yes |
| Adaptive Sync | VESA Adaptive‑Sync supported |
| Display type | Curved WOLED (800R) with smart features |
| Refresh Rate | 240 Hz |
| Weight in Shipping | 17.4 kg |
| Weight without Stand | 8.9 kg |
| Weight with Stand | 13.5 kg |
| Dimension in Shiping (W x H x D) | 971 × 542 × 333 mm |
| Dimension without Stand (W x H x D) | 992.7 × 457 × 218 mm |
| Dimension with Stand (W x H x D) | 992.7 × 661.7 × 338.6 mm |
| Color | Black |
| Item Returns | This item can be returned |