LG · Monitor
LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor
34 inch · 3440 x 1440 · 144 Hz · VA
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- Screen size 34 inch
- Resolution 3440 x 1440
- Refresh rate 144 Hz
- Panel VA
- Response time 5 ms
LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 144 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2026.
- Released
- 2026-03-14
Specifications
Key specs
- Screen size
- 34 inch
- Resolution
- 3440 x 1440
- Refresh rate
- 144 Hz
- Panel
- VA
- Response time
- 5 ms
- Released
- 2026-03-14
- Part number
- 34U640B-B.AEK
- EAN / UPC
- 8806096803882
Display
- Display diagonal
- 86.4 cm (34")
- Display resolution
- 3440 x 1440 pixels
- HD type
- UltraWide Quad HD
- Native aspect ratio
- 21:9
- Display technology
- LCD
- 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
- AMD FreeSync
- Yes
- AMD FreeSync type
- FreeSync Premium
- Flicker-free technology
- Yes
- Smart modes
- Energy saving
View all specifications +6 more sectionsShow fewer specifications
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
Other features
- Brand specific technologies
- Black Stabiliser, DAS Mode, Eye care, Super+ Resolution
Check the manufacturer's page before buying.
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About this product
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.
UltraWide™ U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor, HDR10 and 99% sRGB, AMD FreeSync™ Premium vs similar monitors
| LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor | LG 34U620B-B 34″ 144Hz Monitor | LG 34 Inch UltraWide WQHD 144Hz HDR10 Curved Computer Monitor with AMD FreeSync Premium | LG 34U640B-B 34″ 144Hz Monitor | |
|---|---|---|---|---|
| Screen size | 34 inch | 34 inch | 34 inch | 34 inch |
| Resolution | 3440 x 1440 | 3440 x 1440 | 3440 x 1440 | 3440 x 1440 |
| Refresh rate | 144 Hz | 144 Hz | 144 Hz | 144 Hz |
| Panel | VA | VA | VA | VA |
| Response time | 5 ms | 5 ms | 5 ms | 5 ms |
| Released | 2026 | 2026 | 2026 | 2026 |
Monitor arms that fit a 34-inch size
Check the monitor has VESA mounting holes and that its weight is under the arm's limit.
BenQ Original Stand, Monitor Arm-Ready. VESA Adapter for Studio Arm SCS01FDesk arm · Single
BenQ Studio Arm for iMac AM02Desk arm · Single
BenQ Studio Arm for Studio Display AM01Desk arm · Single
ACT Monitor arm 49" office premium, gas spring, pole mountedDesk arm · Single · 49 inch
Questions about the UltraWide™ U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor, HDR10 and 99% sRGB, AMD FreeSync™ Premium
What are the main specs of the LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor?
34 inch, 3440 x 1440, 144 Hz, VA.
What screen size is the LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor?
34 inch.
What resolution is the LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor?
3440 x 1440.
What is the refresh rate of the LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor?
144 Hz.
When did the LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor come out?
It was released in 2026/03 (LG).
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