# LG 34WN780-B UltraWide Monitor 34" 21:9 QHD (3440 x 1440) IPS Display, HDR10, AMD FreeSync, 3-Side Virtually Borderless Design, Ergo Stand - Black

- Category: Monitor
- Brand: LG
- Model: 34WN780-B
- Part number: 34WN780-B
- Price (US): currently unavailable
- Price last checked: 2026-08-05
- Rating: 4.7/5 from 1176 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/monitor/lg-34wn780-b/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | LG |
| Model | 34WN780-B |
| Screen | 34" |
| Resolution | 3440 x 1440 |
| Aspect Ratio | 21:9 |
| Panel Type | IPS |
| Response Time | 5 ms |
| Refresh Rate | 75 Hz |

## Key Features

- 34" UltraWide 21:9 WQHD (3440 x 1440) IPS HDR Display
- Viewing Angle (L/R) (CR>=10) is 178°/178°; Brightness(Typ) is 300cd/m²; Aspect Ratio is 21:9
- Ergo Stand (Extend/Retract/Swivel/Height/Pivot/Tilt)
- 3-Side Virtually Borderless Design
- AMD FreeSync Compatible. Dimensions Without Stand (WxHxD)-32.2 x 14.4 x 1.8 inches
- sRGB 99% Color Gamut / HDR 10

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