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ViewSonic VG3456a 34" 21:9 UltraWide QHD 1440p 100 Hz IPS Monitor with Ergonomics Design, 100W USB C, Docking Built-In, Gigabit Ethernet for Home and Office

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Ultrawide QHD 21:9 monitor with incredible visuals
Integrated docking station with ethernet and dual USB-C ports
15W quick charging for mobile devices via USB-C connection
100Hz variable refresh rate for smooth visuals
Low blue light eye-care technology ensures comfortable viewing

Overview

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ViewSonic VG3456a 34" 21:9 UltraWide QHD 1440p 100 Hz IPS Monitor with Ergonomics Design, 100W USB C, Docking Built-In, Gigabit Ethernet for Home and Office

Model
Brand	ViewSonic
Model	VG3456a

Display
Screen Size	34"
Widescreen	Yes
Glare Screen	Anti-Glare, Hard Coating (3H)
Panel	IPS
Display Type	UWQHD
Resolution	3440 x 1440 (2K)
Viewing Angle	178° (H) / 178° (V)
Aspect Ratio	21:9
Brightness	300 cd/m2
Contrast Ratio	Static: 1,000:1 (typ), DCR: 80M:1
Response Time	5 ms (Typical GTG)
Color Gamut	NTSC: 85% size (Typ) sRGB: 121% size / 100% coverage (Typ)
Display Colors	16.7 Million / 8 bit true
Monitor Pixel Density	0.233mm
Refresh Rate	100Hz
Curved Surface Screen	Flat Panel

Connectivity
Video Ports	1 x USB 3.2 Type C Up Stream; DisplayPort Alt mode (98W power charger) 2 x HDMI 2.0 1 x DisplayPort 1.2
USB Ports	1 x USB 3.1 Type C Downstream 4 x USB 3.2 Type A Downstream

Power
Power Supply	100-240 VAC
Power Consumption	Eco Mode (Conserve): 25W Eco Mode (optimized): 30W Consumption (typical): 35W Consumption (max): 60W Stand-by: 0.3W

Convenience
Regulatory Approvals	cTUVus, FCC-B, ICES003, Energy Star, EPEAT, CEC, NOM, Mexico Energy, RoHS, REACH, WEEE
Stand Adjustments	Height Adjust (mm): 110 Swivel: 120° Tilt (Forward/Back): -5° / 40°
Built-in Speakers	5W x 2
VESA Compatibility - Mountable	100 x 100mm
Features	Flicker-Free

Dimensions & Weight
Dimensions	16.69"-21.02" x 32.20" x 9.30" w/ stand 15.30" x 32.20" x 2.20" w/o stand
Weight	21.00 lbs. w/ stand 15.30 lbs. w/o stand

Packaging
Package Contents	1 x VG3456A 1 x 3-pin Plug (IEC C13 / CEE22) 1 x HDMI Cable (v2.0; Male-Male) 1 x USB Type-C Cable (Male-Male; with Type-A adapter) 1 x Quick Start Guide

Additional Information
First Listed on Newegg	September 29, 2025

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ViewSonic VG3456a 34" 21:9 UltraWide QHD 1440p 100 Hz IPS Monitor with Ergonomics Design, 100W USB C, Docking Built-In, Gigabit Ethernet for Home and Office

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Item#: 9SIV18MKKV8402

Meet Your Seller

ViewSonic VG3456a 34" 21:9 UltraWide QHD 1440p 100 Hz IPS Monitor with Ergonomics Design, 100W USB C, Docking Built-In, Gigabit Ethernet for Home and Office

Learn more about the ViewSonic VG3456a

Customer Reviews of the ViewSonic VG3456a

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info