Viewsonic 34” UWQHD Curved Monitor with KVM Switch

34 inch · 3440 x 1440 · 120 Hz · VA

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 120 Hz
Panel VA
Response time 3.5 ms

Viewsonic 34” UWQHD Curved Monitor with KVM Switch is a 34-inch monitor with 3440 x 1440 resolution, a 120 Hz refresh rate and VA panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2026.

Released: 2026-01-28

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 120 Hz
Panel: VA
Response time: 3.5 ms
Released: 2026-01-28
Part number: VA3420C-2
EAN / UPC: 0766907040999

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: LED
Panel type: VA
LED backlight: Yes
Display brightness (typical): 300 cd/m²
Response time: 3.5 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1500R
Contrast ratio (typical): 3000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 120 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.232 x 0.232 mm
Digital horizontal frequency: 30 - 151 kHz
Digital vertical frequency: 48 - 100 Hz
Display diagonal (metric): 87 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Surface hardness: 3H
Colour gamut standard: NTSC, sRGB
sRGB coverage (typical): 125%
NTSC coverage (typical): 89%

Performance

Flicker-free technology: Yes
Low Blue Light technology: Yes
Windows operating systems supported: Windows 10, Windows 11
Mac operating systems supported: MacOS

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Multimedia

Number of speakers: 2
RMS rated power: 4 W
Built-in speaker(s): Yes

Design

Market positioning: Home
Product colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB upstream port type: USB Type-B
Number of upstream ports: 2
Number of downstream ports: 3
Number of USB Type-B upstream ports quantity: 1
Number of USB Type-C upstream ports quantity: 1
USB Type-A downstream ports quantity: 3
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.1
DisplayPorts quantity: 1
Audio output: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Swivelling: Yes
Swivel angle range: -45 - 45°
Tilt adjustment: Yes
Tilt angle range: -5 - 20°

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 31 kWh
Energy consumption (HDR) per 1000 hours: 46 kWh
Power consumption (typical): 44 W
Power consumption (standby): 0.5 W
Power consumption (max): 45 W
AC input voltage: 100 - 240 V
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Operating relative humidity (H-H): 20 - 90%

Weight & dimensions

Width (with stand): 808 mm
Depth (with stand): 280.1 mm
Height (with stand): 429.3 mm
Weight (with stand): 8.4 kg
Width (without stand): 808 mm
Depth (without stand): 118.3 mm
Height (without stand): 363.9 mm
Weight (without stand): 6 kg

Other features

Power consumption (economy mode): 38 W
ECO mode: Yes
Compliance certificates: Electromagnetic Compatibility (EMC), CE, CB, RoHS, REACH, WEEE, EAC

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About this product

The ViewSonic VA3420C-2 is a 34” UWQHD (3440 x 1440) monitor featuring USB Hub with 1 upstream, 3 downstream ports, HDMI, and DisplayPort for business and home use. Its 21:9 aspect ratio and 1500R curvature provide an immersive viewing experience. Simplify your work with just one USB-C cable that provides audiovisual, data and 96W power transfer. The variable refresh rate, Eye ProTech technology, and various ViewMode presets cater for optimal screen performance and comfortable viewing without tearing or stuttering. Expand your workspace and experience truly seamless, ergonomic multitasking on just one screen with a VESA-compatible mount at low energy consumption. Ergonomic Workstation with One Cable Solution Discover a monitor to simplify your work, boost your productivity, and provide comfort in your workspace thanks to one cable solution and ergonomic design. Simplify Your Work with Just One Cable The VA3420C-2 allows for a streamlined workflow and eliminates the need for dongles and plug-in attachments. USB Type-C offers seamless video, audio, data and 96W power transfer.

User manual (PDF) · Datasheet (PDF)

34” UWQHD Curved Monitor with KVM Switch vs similar monitors

	Viewsonic 34” UWQHD Curved Monitor with KVM Switch	Samsung 34" ViewFinity S5 S55GH Ultra WQHD 120Hz Monitor	LG 34U601B-B 34″ 120Hz Monitor	Samsung S55GH 34″ 120Hz 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	120 Hz	120 Hz	120 Hz	120 Hz
Panel	VA	VA	VA	VA
Response time	3.5 ms	5 ms	5 ms	5 ms
Released	2026	2026	2026	2026