Ultrawide workspace, smooth performance
Built for anyone who needs width over height—designers, coders, traders, and competitive gamers who want a genuine ultrawide experience at a genuine price point.
LG
LG 34U640B-B 34" Wide Quad HD Curved Monitor
- Display diagonal34″
- Power consumption (standby)0.5 W
- Product Net Weight7.71 kg
- HDMI ports quantity2
- Cables includedDisplayPort/HDMI/USB Type-C
- 3440 × 1440 pixels packed into a curved 21:9 frame—see more onscreen without scaling up monitor count
- 144 Hz refresh with 5 ms response time keeps motion sharp for gaming, video work and trading
- VA panel with HDR support brings depth to visuals, whether you're editing or exploring detailed game worlds
- Curved design hugs your field of view, reducing eye strain during long sessions
Description
Specifications
General
| Brand | LG |
|---|---|
| Model name | 34U640B-B |
| Product colour | Black |
| VESA mounting | Yes |
| Pixel pitch | 0.23175 x 0.23175 |
| AMD FreeSync | Yes |
| Headphone out | Yes |
| Tilt adjustment | Yes |
| AMD FreeSync type | FreeSync Premium |
| Height adjustment | Yes |
| Picture-in-Picture | Yes |
| Viewing angle, vertical | 178 |
| Viewing angle, horizontal | 178 |
| Warranty | 24 months |
| EAN | 8806096743171 |
Display
| Display diagonal | 34″ |
|---|---|
| Display resolution | 3440 x 1440 |
| HD type | Wide Quad HD |
| Panel type | VA |
| Maximum refresh rate | 144 Hz |
| Native aspect ratio | 21:9 |
| Touchscreen | No |
| Colour gamut | 99 % |
| Pixel density | 110 ppi |
| Contrast ratio (typical) | 4000:1 |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | HDR Effect/High Dynamic Range 10 (HDR10) |
| Screen shape | Curved |
| Panel mounting interface | 100 x 100 |
| Response time | 5 |
| Colour gamut standard | sRGB |
| Screen curvature rating | 1800R |
| Display number of colours | 1.07 billion colours |
| Display brightness (typical) | 300 |
Ports
| HDMI ports quantity | 2 |
|---|---|
| HDMI version | 2.0 |
| HDMI | Yes |
| Built-in USB hub | Yes |
| DisplayPorts quantity | 1 |
| DisplayPort out version | 1.4 |
Battery & power
| Power consumption (standby) | 0.5 W |
|---|---|
| Energy efficiency class | F |
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 30 kWh |
| Energy consumption (HDR) per 1000 hours | 39 kWh |
| AC input voltage | 100 – 240 V |
| Power supply type | External |
| Energy efficiency scale | A to G |
| Power consumption (off) | 0.3 |
Performance & capacities
| Game mode | Yes |
|---|
Features
| Cables included | DisplayPort/HDMI/USB Type-C |
|---|---|
| Package type | Box |
| Flicker-free technology | Yes |
Dimensions & weight
| Product Net Weight | 7.71 kg |
|---|---|
| Width (with stand) | 810.26 mm |
| Height (with stand) | 464.82 mm |
| Depth (with stand) | 220.98 mm |
| Weight (with stand) | 7.71 kg |
| Width (without stand) | 810.26 mm |
| Height (without stand) | 358.14 mm |
| Depth (without stand) | 91.44 mm |
| Weight (without stand) | 5.58 kg |
