Viewsonic VA VA3420C 34″ 120Hz Monitor

34 inch · 3440 x 1440 · 120 Hz · IPS

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Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 120 Hz
Panel IPS

Viewsonic VA VA3420C 34″ 120Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 120 Hz refresh rate and IPS panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-03-30

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 120 Hz
Panel: IPS
Released: 2025-03-30
Part number: VA3420C
EAN / UPC: 0766907032802

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: IPS
LED backlight: Yes
Display brightness (typical): 300 cd/m²
Response time (MPRT): 1 ms
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1900R
Contrast ratio (typical): 2000:1
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: 0.233 x 0.233 mm
Display diagonal (metric): 89 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Surface hardness: 3H
Colour depth: 8 bit
Colour gamut standard: DCI-P3, NTSC, sRGB
sRGB coverage (typical): 132%
NTSC coverage (typical): 94%
DCI-P3 coverage: 98%

Performance

Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 5 W
Built-in speaker(s): Yes

Design

Market positioning: Business
Product colour: Black
Frameless design: Yes
Front bezel colour: Black
Feet colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB upstream port type: USB Type-A, USB Type-B, USB Type-C
Number of upstream ports: 2
Number of USB Type-B upstream ports quantity: 1
Number of USB Type-C upstream ports quantity: 1
USB Type-A downstream ports quantity: 2
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 96 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.4
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
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -5 - 15°

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 29 kWh
Energy consumption (HDR) per 1000 hours: 39 kWh
Power consumption (typical): 26 W
Power consumption (standby): 0.5 W
Power consumption (max): 36 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: External
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): 814.7 mm
Depth (with stand): 237.8 mm
Height (with stand): 554.7 mm
Weight (with stand): 8.2 kg
Width (without stand): 814.7 mm
Depth (without stand): 102.7 mm
Height (without stand): 363.6 mm
Weight (without stand): 6.2 kg

Other features

Weight: 8.2 kg
Compliance certificates: CB, CE, Electromagnetic Compatibility (EMC), RCM, REACH, RoHS, WEEE

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About this product

The ViewSonic VA3420C is a 34” UWQHD (3440 x 1440) monitor featuring USB 3.2 Hub with 1 upstream, 2 downstream ports, 2 HDMI, and DisplayPort for business and home use. Its 21:9 aspect ratio and 1900R curvature provide an immersive viewing experience. Simplify your work with just one cable that provides audiovisual, data and 96W power transfer. The 120hz 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 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)

VA3420C vs similar monitors

	Viewsonic VA VA3420C 34″ 120Hz Monitor	Viewsonic 34” UWQHD 21:9 IPS Curved Monitor with USB-C Hub	Lenovo ThinkVision P34WD-40 Monitor	iiyama ProLite XCB3492WQSNPH 34″ 100Hz 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	100 Hz
Panel	IPS	IPS	IPS	IPS
Released	2025	2026	2026	2026