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LG UltraGear OLED 34GX900A · Photo source
LG · UltraGear
UltraGear OLED 34GX900A
LG's 34-inch 3440 × 1440 ultrawide OLED gaming monitor with a 240 Hz refresh rate and a steep 800R curve, for PC gamers who want an immersive ultrawide with USB-C for a laptop.
- Size
- 34″
- Resolution
- 3440 × 1440
- PPI
- 110
- Panel
- OLED
- Refresh
- 240 Hz
- Brightness
- 275 nits
- HDR
- True Black 400
- USB-C power
- 65 W
Specifications
Report a wrong or missing specDisplay
- Screen size
- 34″
- Resolution
- 3440 × 1440 (UWQHD)
- Sharpness
- 110 pixels per inch
- Panel
- OLED (LG Display WOLED with MLA+ (TFTCentral))
- Refresh rate
- 240 Hz
- Response time (grey to grey)
- 0.03 ms
- Brightness (typical)
- 275 nits
- HDR peak brightness
- 1,300 nits
- HDR certification
- DisplayHDR True Black 400
- HDR formats
- HDR10
- Contrast ratio
- 1,500,000:1
- Colour range
- 98.5% DCI-P3 (typical)
- DCI-P3 coverage
- 98.5%
- Shape
- Curved (800R)
- Adaptive sync
- FreeSync Premium Pro, G-Sync Compatible
- Colour depth
- 1.07 billion colours
- Colour modes
- Reader Mode, Colour Weakness mode
- HDR detail
- HDR10; VESA DisplayHDR True Black 400; 1,300 nits peak (TFTCentral, from LG)
- Viewing angles
- 178° / 178°
- Pixel pitch
- 0.231 × 0.231 mm
- Calibration
- Factory calibrated; hardware calibration ready (LG Calibration Studio)
Connections
- Video inputs
- 2 × HDMI 2.1, DisplayPort 1.4, USB-C
- USB-C charging
- Up to 65 W
- USB ports
- 2 × USB-A
- Speakers
- Yes
- HDMI detail
- 2 × HDMI 2.1 (cable included)
- DisplayPort detail
- DisplayPort 1.4 with DSC
- USB-C detail
- USB-C with DisplayPort Alt Mode and 65 W power delivery
- USB hub detail
- 2 × USB 3.0 downstream
- Picture by picture
- PIP; 2-way PBP
- Audio out
- 4-pole headphone out (sound and mic)
- Speaker detail
- 2 × 7 W
Design
- Stand adjusts
- Height, tilt, swivel
- VESA mount
- Yes
- Weight with stand
- 10.4 kg
- VESA pattern
- 100 × 100 mm
- Size with stand
- 784.1 × 291.8 × 470.4–580.4 mm (W × D × H)
- Size without stand
- 784.1 × 167.1 × 358.3 mm (W × D × H)
- Weight without stand
- 6.2 kg
- Controls
- User-defined key; auto input switch; dual controller; game features include Black Stabiliser, Dynamic Action Sync, Crosshair and FPS Counter
Power and support
- Power use
- Less than 0.5 W sleep, less than 0.3 W off
- Power supply
- External adapter, 100–240 V
- In the box
- HDMI 2.1 cable, USB-C cable, DisplayPort cable
Pros and cons
Pros
- 3440 × 1440 MLA+ WOLED at 240 Hz with 0.03 ms response
- USB-C with DisplayPort Alt Mode and 65 W charging, plus two HDMI 2.1 inputs
- Built-in 7 W stereo speakers and picture-by-picture
Cons
- 275 nits typical brightness and DisplayHDR True Black 400
- Steep 800R curve won't suit everyone
- Stand has no pivot; external power adapter
Closest rivals
Model | Size | Resolution | PPI | Panel | Refresh | Brightness | HDR | USB-C power | Released |
|---|---|---|---|---|---|---|---|---|---|
| 34.18″ | 3440 × 1440 | 109 | QD-OLED | 240 Hz | 250 nits | True Black 400 | 98 W | May 2024 | |
| 34.2″ | 3440 × 1440 | 109 | QD-OLED | 240 Hz | 250 nits | True Black 400 | – | Apr 2025 | |
| 34″ | 3440 × 1440 | 110 | QD-OLED | 280 Hz | 300 nits | True Black 500 | – | Jun 2026 |
Sources
- lg.com/uk/monitors/gaming/34gx900a-b
- tftcentral.co.uk/news/lg-ultragear-34gx900a-launched-with-a-34-ultrawide-oled-p…
Photo: lg.com
- LG 34GX900A, -15 degree side view: LG, official UK product gallery
- LG 34GX900A, +15 degree side view: LG, official UK product gallery
- LG 34GX900A, side view: LG, official UK product gallery
- LG 34GX900A, rear view with lights on: LG, official UK product gallery
- LG 34GX900A, rear view with lights off: LG, official UK product gallery
- LG 34GX900A, rear perspective view: LG, official UK product gallery
- LG 34GX900A, official isolated product view: LG, official Greece newsroom release
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