LG UltraWide 34" QHD 144Hz Curved Monitor (34U640B)
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Key specs
- Display diagonal86.4 cm (34")
- Display resolution3440 x 1440 pixels
- Panel typeVA
- Response time5 ms
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Overview
- 34-inch 21:9 UltraWide™ WQHD (3440×1440) Curved Monitor
- HDR10 and 99% sRGB coverage (typ.)
- 144Hz refresh rate
- USB Type-C®, DisplayPort, HDMI ports and built in USB Hub
- AMD FreeSync™ Premium
- Tilt and height display adjustment
34-inch 21:9 UltraWide™ WQHD (3440×1440) Curved Monitor: The UltraWide™ WQHD (3440×1440) resolution with a 21:9 aspect ratio offers ample screen space to run multiple programs simultaneously, enhancing work efficiency. The 1800R curvature follows the natural field of view to reduce distortion, while the 3-side virtually borderless screen provides an unobstructed, wide display for a more immersive and comfortable viewing experience.
HDR 10 compatibility and 99% sRGB coverage (typ.) provide accurate colour reproduction and tone mapping in HDR scenes.
This monitor offers USB Type-C®, DisplayPort, HDMI ports and built in USB Hub 2 down to ensure smooth connectivity with various devices. The USB Type-C® port supports both display output and data transfer, allowing easy connection to your laptop with a single cable.
Fluid gaming experience with 144Hz refresh rate: Delivers smooth and responsive performance with a 144Hz refresh rate, delivering fluid visuals and clearer motion for more responsive gameplay that gives you a competitive edge.
Powered by AMD FreeSync™ Premium certification, this monitor provides tear-free, ultra-smooth visuals and low latency, delivering unmatched gaming precision and fluidity.
Experience our 3-side virtually borderless design with an adjustable base that supports both tilt and height control. Its slender, clutter-free stand minimizes desk space and reduces unused space, creating a cleaner and more refined workspace. Adjustable comfort with tilt, and height adjustments.
Specifications
Display
| Display diagonal | 86.4 cm (34") |
|---|---|
| Display resolution | 3440 x 1440 pixels |
| Native aspect ratio | 21:9 |
| Display technology | LCD |
| Touchscreen | No |
| HD type | UltraWide Quad HD |
| Panel type | VA |
| Response time | 5 ms |
| Response time measurement type | GTG (Gray to Gray) |
| Anti-glare screen | Yes |
| Screen shape | Curved |
| Screen curvature rating | 1800R |
| Contrast ratio (typical) | 4000:1 |
| Maximum refresh rate | 144 Hz |
| Refresh rate optimizor | Yes |
| Display number of colours | 1.07 billion colours |
| Pixel pitch | 0.23175 x 0.23175 mm |
| Pixel density | 110 ppi |
| Display diagonal (metric) | 86.42 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10), HDR Effect |
| Colour gamut standard | sRGB |
| sRGB coverage (typical) | 99% |
Performance
| NVIDIA G-SYNC | No |
|---|---|
| AMD FreeSync | Yes |
| AMD FreeSync type | FreeSync Premium |
| Flicker-free technology | Yes |
| Smart modes | Energy saving |
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Multimedia
| Built-in speaker(s) | No |
|---|---|
| Built-in camera | No |
Design
| Market positioning | Consumer |
|---|---|
| Product colour | Black |
Ports & interfaces
| Built-in USB hub | Yes |
|---|---|
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-C |
| Number of upstream ports | 1 |
| Number of downstream ports | 2 |
| Number of USB Type-C upstream ports quantity | 1 |
| USB Type-A downstream ports quantity | 2 |
| USB Type-C downstream ports quantity | 1 |
| USB Power Delivery (USB PD) | Yes |
| USB Power Delivery up to | 65 W |
| HDMI | Yes |
| HDMI ports quantity | 2 |
| HDMI version | 2.0 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Audio output | Yes |
| Headphone out | Yes |
| Headphone outputs | 1 |
| Headphone connectivity | 3.5 mm |
| HDCP | Yes |
| HDCP version | 2.2 |
Ergonomics
| VESA mounting | Yes |
|---|---|
| Panel mounting interface | 100 x 100 mm |
| Wall mountable | Yes |
| Height adjustment | Yes |
| Tilt adjustment | Yes |
| Picture-in-Picture | Yes |
| On Screen Display (OSD) | Yes |
Power
| 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 |
| Power consumption (typical) | 32.4 W |
| Power consumption (standby) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power supply type | External |
| Energy efficiency scale | A to G |
Weight & dimensions
| Width (with stand) | 809.1 mm |
|---|---|
| Depth (with stand) | 220 mm |
| Height (with stand) | 464.4 mm |
| Weight (with stand) | 7.7 kg |
| Width (without stand) | 809.1 mm |
| Depth (without stand) | 91.5 mm |
| Height (without stand) | 359 mm |
| Weight (without stand) | 5.6 kg |
Packaging content
| Stand included | Yes |
|---|---|
| Cables included | AC, DisplayPort, HDMI, USB Type-C |
| Power adapter included | Yes |
| Quick start guide | Yes |
| DisplayPort cable length | 1.5 m |
| HDMI cable length | 1.5 m |
Other features
| Country of origin | China |
|---|---|
| Brand specific technologies | Black Stabiliser, DAS Mode, Eye care, Super+ Resolution |
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
