The ViewSonic VA3456-mhdj is a 34″ monitor with WQHD 3440 x 1440 resolution, 21:9 aspect ratio, and SuperClear IPS panel. The resolution is 2.4 times higher than standard Full HD, and with SuperClear IPS technology, this monitor delivers the same image quality whether you are looking at the screen from above, below, the front, or the side. A 21:9 aspect ratio and 3-side borderless bezels provide extra screen real estate so users can display more content, switch between applications more quickly, view documents side by side, and view multiple windows at once. What’s more, this monitor is designed with a height-adjustable and swivel stand.
Incredible Details with WQHD and a 21:9 aspect ratio
More detailed images and extra resolution makes multitasking more enjoyable and efficient. Featuring WQHD 3440 x 1440 resolution, which provides 35% more onscreen space than a Full HD monitor of the same size. In addition, an ultra-wide 21:9 aspect ratio makes games and movies more immersive than ever.
Wide Viewing Angle
Enjoy accurate and vivid colors with consistent levels of brightness no matter the vantage point. With SuperClear IPS panel technology, this monitor delivers the same image quality whether you are looking at the screen from above, below, the front, or the side
HDR10 Delivers Stellar Contrast and Color Accuracy
This monitor is compatible with the industry standard HDR10 high dynamic range, so color, brightness, and contrast are more defined and exceed the capabilities of ordinary monitors.
Adaptive Sync Delivers Smooth, Continuous Visuals
With Adaptive Sync technology, screen tearing and choppy frame rates are eliminated to provide seamless and smooth visuals in every scene.
Borderless Design for Seamless Viewing
Break free from bulky bezels and enjoy a sleeker look. The 3-side borderless bezels deliver a clean aesthetic and seamless multi-monitor capabilities.
The monitor includes an ergonomic stand, which allows you to easily tilt up, swivel your monitor, and adjust the height to an ideal position, making it a good fit whether used on your own or during group discussion and screen sharing.
This monitor is integrated with dual 3-watt stereo speakers. When paired with incredible screen performance, the combination provides complete multi-sensory immersion.
Flicker-Free technology and a Blue Light Filter help to eliminate eye strain from extended viewing periods.
Low Energy Consumption
This monitor has been designed with energy efficiency in mind, featuring an Eco Mode that consumes less power, resulting in a smaller carbon footprint and reduced office overhead costs.
Display Size (in.)
Viewable Area (in.)
3440 x 1440
UWQHD (UltraWide QHD)
Static Contrast Ratio
Dynamic Contrast Ratio
420 cd/m² (typ)
Color Space Support
10 bit (8 bit + FRC)
Response Time (Typical GTG)
178 horizontal, 178 vertical
Backlight Life (Hours)
30000 Hrs (Min)
Refresh Rate (Hz)
Variable Refresh Rate Technology
Blue Light Filter
NTSC: 72% size (Typ)
sRGB: 104% size (Typ)
0.233 mm (H) x 0.233 mm (V)
Anti-Glare, Hard Coating (3H)
PC Resolution (max)
Mac Resolution (max)
PC Operating System
Windows 10/11 certified; macOS tested
Mac Resolution (min)
3.5mm Audio Out
HDMI 2.0 (with HDCP 2.2)
3-pin Socket (IEC C14 / CEE22)
Eco Mode (Conserve)
Eco Mode (optimized)
Internal Power Supply
Kensington Lock Slot
Key 1 (favorite), Key 2, Key 3, Key 4, Key 5 (power)
On Screen Display
Input Select, Audio Adjust, ViewMode, Color Adjust, Manual Image Adjust, Setup Menu
32°F to 104°F (0°C to 40°C)
20% to 90%
100 x 100 mm
HDMI (v2.0): 15 ~ 120KHz, DisplayPort (v1.4): 24 ~ 120KHz
HDMI (v2.0): 24 ~ 76Hz, DisplayPort (v1.4): 48 ~ 76Hz
TMDS – HDMI (v2.0), PCI-E – DisplayPort (v1.4)
Height Adjust (mm)
-4º / 20º
Weight and Dimensions
900 mm x 460 mm x 230 mm (W x H x D)