Struggling with cramped screens that blur fast-action games and multitasking? The LG UltraGear 45GX900A-B.AEK 45" OLED UWQHD 3440x1440 240Hz Monitor delivers a massive 45-inch curved OLED panel, ultra-wide 21:9 aspect and blistering 240 Hz refresh, giving you crystal-clear visuals and buttery-smooth performance for gaming, work and entertainment.
Experience the difference with LG UltraGear 45GX900A-B.AEK 45" OLED UWQHD 3440x1440 240Hz Monitor
You often miss critical details in dark scenes or suffer eye strain from bright office lighting. This monitor solves those issues by combining the deepest blacks of OLED with up to 1300 nits peak brightness, ensuring vivid colours even in bright rooms. The 800R curvature matches your natural field of view, reducing fatigue and keeping every pixel in focus, while the 0.03 ms response and 240 Hz refresh eliminate motion blur for competitive play.
Usages of LG UltraGear 45GX900A-B.AEK 45" OLED UWQHD 3440x1440 240Hz Monitor
Ideal for immersive gaming, professional editing, streaming, office multitasking and console play.
- Competitive first-person shooters where every millisecond counts
- Photo and video editing with accurate colour reproduction
- Watching movies on an ultra-wide canvas without black bars
- Simultaneous use of multiple applications on a single screen
- Connecting a gaming laptop via USB-C for a clutter-free desk
Key Features of LG UltraGear 45GX900A-B.AEK 45" OLED UWQHD 3440x1440 240Hz Monitor
- Screen size: 45 in. Provides an expansive view that reduces the need for multiple monitors.
- Resolution: UWQHD 3440 x 1440. Delivers sharp detail across the ultra-wide panel.
- Refresh rate: 240 Hz. Keeps motion fluid and reduces input lag for fast-paced games.
- Response time: 0.03 ms (GtG). Eliminates ghosting, giving you instant visual feedback.
- Brightness: 275 nits (APL 100 %) / 1300 nits (APL 1.5 %). Ensures vivid images even in bright environments.
- Contrast ratio: 1 500 000 : 1. Produces true blacks and bright highlights for realistic depth.
- Colour gamut: DCI-P3 98.5 % (typical). Offers a wide range of accurate colours for creative work.
- HDR: VESA DisplayHDR True Black 400. Enhances dynamic range for richer visuals.
- Connectivity: 2 × HDMI, DisplayPort 1.4, USB-C (65 W PD), 2 × USB 3.0, headphone jack. Provides versatile connections for PC, console and laptop.
- Ergonomics: Height, tilt and swivel adjustments plus a fully adjustable L-stand. Lets you find the perfect viewing angle and saves desk space.
Benefits of LG UltraGear 45GX900A-B.AEK 45" OLED UWQHD 3440x1440 240Hz Monitor
You gain an immersive gaming experience where enemies are visible even in the darkest shadows, thanks to deep blacks and high contrast. The ultra-wide 21:9 display lets you keep multiple windows open, boosting productivity without constant tab switching. Fast 240 Hz refresh and 0.03 ms response mean smoother motion and competitive advantage. Eye-comfort technologies reduce blue-light exposure and flicker, letting you play or work for longer periods without fatigue. Finally, the sleek, virtually borderless design and USB-C power delivery keep your workspace tidy and modern.
Specifications
| Miscellaneous |
| Miscellaneous / Cables Included | 2 x HDMI cable - 6 ft ¦ 1 x DisplayPort cable ¦ 1 x USB-C cable |
| Miscellaneous / Color Category | Black |
| Miscellaneous / Flat Panel Mount Interface | 100 x 100 mm |
| Dimensions & Weight |
| Dimensions & Weight / Height | 26.1in |
| Dimensions & Weight / Comments | With stand (highest position) |
| Dimensions & Weight / Width | 39.1in |
| Dimensions & Weight / Depth | 13.3in |
| Dimensions & Weight / Dimensions & Weight Details | With stand (highest position) - width: 39.1 in - depth: 13.3 in - height: 26.1 in - weight: 29.8 lbs ¦ With stand (lowest position) - width: 39.1 in - depth: 13.3 in - height: 21.3 in - weight: 29.8 lbs ¦ Without stand - width: 39.1 in - depth: 8.6 in - height: 18 in - weight: 19.6 lbs |
| Dimensions & Weight / Weight | 29.76lbs |
| Service & Support |
| Service & Support / Type | 2-year warranty |
| Audio Output |
| Audio Output / Type | Speaker(s) |
| TV Tuner |
| TV Tuner / TV Tuner Presence | No |
| Header |
| Header / Product Line | LG UltraGear |
| Header / Packaged Quantity | 1 |
| Manufacturer Warranty |
| Manufacturer Warranty / Service & Support | Limited warranty - 2 years |
| Mechanical |
| Mechanical / VESA Mounting Interface | 100 x 100 mm |
| Mechanical / Display Position Adjustments | Height, tilt, swivel |
| General |
| General / Color Gamut | 98.5% DCI-P3 (CIE 1976) |
| General / Diagonal Size | 45" |
| General / Display Type | OLED monitor / OLED |
| General / Native Resolution | UWQHD 3440 x 1440 at 240 Hz |
| General / Weight | 29.76 lbs |
| General / Dimensions (WxDxH) | 39.1 in x 13.3 in x 26.1 in - with stand (highest position) |
| General / Screen Coating | Anti-glare, low reflection coating |
| General / Aspect Ratio | 21:9 |
| General / Contrast Ratio | 1500000:1 |
| General / Features | Black Stabilizer, auto input switch, Factory Calibration, Color Weakness Mode, Crosshair Display, Dynamic Action Sync, FPS Counter, HDR Effect, Hardware Calibration Ready, VESA Display Stream Compression (DSC), 4-way joystick, PBP, PIP support, Reader Mode, Hexagon Lighting, Smart Energy Saving technology, user defined key, Variable refresh rate (VRR), 4-side virtually borderless display, One Click Stand, DTS HP:X |
| Connectivity |
| Connectivity / Interfaces | 2 x HDMI ¦ DisplayPort 1.4 (DSC (Display Stream Compression)) ¦ Headphone jack (mini-jack) ¦ USB-C (data, power up to 65W) ¦ 2 x USB 3.0 downstream (Type A) |
| Audio |
| Audio / Output Power / Channel | 7 Watt |
| Audio / Type | Speakers - stereo |
| Power |
| Power / Input Voltage | AC 100-240 V (50 - 60 Hz) |
| Display |
| Display / Form Factor | Desktop |
| Display / Type | OLED monitor |
| Display / Diagonal Size | 45in |
| Display / Interface | USB-C |
| Display / Image Aspect Ratio | 21:9 |
| Display / HDR Capable | Yes |
| Display / Video Format | QHD |
| Display / Native Resolution | 3440 x 1440 |
| Display / Display Position Adjustments | Tilt |
| Display / Diagonal Size (metric) | 114.3cm |
| Display / V-Sync Rate at Max Res. | 240Hz |
| Display / Image Contrast Ratio | 1500000:1 |
| Summary Details |
| Display diagonal | 113 cm (44.5") |
| Display resolution | 3440 x 1440 pixels |
| HD type | Wide Quad HD |
| Display technology | OLED |
| Response time | 0.03 ms |
| Native aspect ratio | 21:9 |
| horizontal | 178° |
| vertical | 178° |
| Product colour | Black |
