ViewSonic has listed the massive 2026 VX4381U-4K 43-inch 4K monitor on Amazon US. The monitor price in the US starts at $569.99 (Lowest Price on June 27, 2026).
Key highlights include the 43-inch 4K Ultra HD (3840×2160) VA panel, HDR10 support, 65W USB-C single-cable connectivity, and Multi-Picture mode for four simultaneous inputs.
Pricing & Availability
| Model | Launch Price | Link |
|---|---|---|
| ViewSonic VX4381U-4K 43-Inch 4K Monitor | $569.99 | Amazon US↗ |
ViewSonic VP2768A_H2 27 Inch 1440p Dual Pack ColorPro Docking Monitors, Pantone Validated Head-Only Displays for Dual Screen Graphic Design, Advanced Ergonomics, 90W USB-C, HDMI, RJ45, and DP Inputs
by ViewSonic
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43-Inch 4K Ultra HD VA Display
At the centre of the ViewSonic VX4381U-4K is a 43-inch VA panel (42.5-inch viewable) running at 4K Ultra HD (3840×2160) resolution in a 16:9 aspect ratio. The panel renders 1.07 billion colours via 8-bit + FRC and holds 178°/178° viewing angles.
- Panel Type: VA (MVA)
- Resolution: 3840×2160 (4K Ultra HD)
- Aspect Ratio: 16:9
- Brightness: 400 cd/m²
- Static Contrast Ratio: 4,000:1
- Dynamic Contrast Ratio: 120M:1
- Colours: 1.07 billion (8-bit + FRC)
- Viewing Angle: 178° (H) / 178° (V)
- Response Time: 3ms (GTG)
- Refresh Rate: 60Hz
- HDR: HDR10
- Panel Surface: Anti-Glare semi-glossy, hard-coating (3H), haze 0.02
- Backlight: LED, rated 30,000 hours
Multi-Picture Mode for Four Inputs
A defining feature of the VX4381U-4K is its Multi-Picture functionality, which displays up to four simultaneous video sources in a single layout on the 4K screen. The OSD includes a dedicated Multi-Picture shortcut for switching layouts, alongside Input Select and ViewMode controls.
65W USB-C and Connectivity
Single-cable USB-C handles data, audio, and video while delivering 65W charging to a connected laptop. Beyond USB-C, the monitor carries two HDMI 2.1 inputs, a DisplayPort, and a USB hub.
| Port | Specification |
|---|---|
| HDMI 2.1 | 2 |
| DisplayPort | 1 |
| USB Type-C | 1 (65W Power Delivery) |
| USB Type-A | 4 |
| USB Type-B | 1 |
| Audio | 3.5mm audio out |
Internal speakers are rated at 7W × 2. Horizontal frequency runs 24–160 KHz and vertical frequency 50–75 Hz across HDMI, DisplayPort, and USB-C.
Stand, Ergonomics & Power
The VX4381U-4K tilts 5° forward and 23° back, and supports 200 × 100 mm VESA mounting. A Kensington lock slot is included; there is no cable-organization cut-out. Physical controls use a joystick key with Input Select, ViewMode, Multi-Picture, and Power shortcuts.
Power draw is 102W typical and 200W maximum, dropping to 63W in Eco (Conserve) mode and 0.5W on standby, from an internal 100–240 VAC supply. The monitor weighs 37.5 lbs (17 kg) with the stand and 27.9 lbs (12.6 kg) without it.
ViewSonic VX4381U-4K Specifications / Technical Details
| Specification | Details |
|---|---|
| Model | ViewSonic VX4381U-4K |
| Screen Size | 43″ (42.5″ viewable) |
| Panel Type | VA (MVA) |
| Resolution | 3840×2160 (4K Ultra HD) |
| Aspect Ratio | 16:9 |
| Refresh Rate | 60Hz |
| Response Time | 3ms (GTG) |
| Brightness | 400 cd/m² |
| Static Contrast | 4,000:1 |
| Dynamic Contrast | 120M:1 |
| Colours | 1.07 billion (8-bit + FRC) |
| Viewing Angles | 178° / 178° |
| HDR | HDR10 |
| Panel Surface | Anti-Glare semi-glossy, 3H hard-coat, haze 0.02 |
| Backlight | LED, 30,000 hrs |
| HDMI | 2 × HDMI 2.1 |
| DisplayPort | 1 |
| USB-C | 1 (65W PD) |
| USB-A / USB-B | 4 / 1 |
| Audio Out | 3.5mm |
| Speakers | 7W × 2 |
| VESA Mount | 200 × 100 mm |
| Tilt | 5° forward / 23° back |
| Kensington Lock | Yes |
| Power (typical / max) | 102W / 200W |
| Power (Eco / standby) | 63W / 0.5W |
| Voltage | 100–240 VAC, internal supply |
| Weight (with / without stand) | 37.5 lbs (17 kg) / 27.9 lbs (12.6 kg) |
| Physical Size (with stand) | 38.48″ (W) × 25.96″ (H) × 13.6″ (D) |
| Operating Temp | 32–104°F (0–40°C) |
| Regulations | cTUVus, FCC-B, ICES003, CEC |
| Warranty | 3-year limited (parts, labor, backlight) |
What’s in the Box
- ViewSonic VX4381U-4K LCD Display
- Power Cable
- HDMI Cable
- USB-C Cable
- USB-A/B Cable
- Quick Start Guide
Related Monitors
- ViewSonic VP3256A-4K 32-Inch 4K ColorPro Monitor (IPS, 100% sRGB, Pantone Validated, 100W USB-C) – $559.99 Amazon US
- ViewSonic VG3420C 34-Inch UWQHD Curved Docking Monitor (1900R IPS, 120Hz, 96W USB-C, RJ45) – $359.99 Amazon US
- ViewSonic VP3276T-4K 32-Inch 4K ColorPro Monitor (IPS, 100% sRGB, Pantone Validated, Thunderbolt 4) – $788.99 Amazon US
- ViewSonic VG1457 Dual Screen 14-Inch 1200p Portable Monitor (Foldable IPS, G-Sensor, 65W USB-C PD) – $349.99 Amazon US
Note: Specifications listed above are based on available information and may not be 100% accurate. Please visit the official ViewSonic website or Amazon product page to verify complete and up-to-date specifications before making a purchase decision.
Disclaimer: We strongly recommend reading verified purchase reviews before making any online purchase. Always buy from trusted sellers. Discounts are often based on MRP prices. As an Amazon Associate, we may earn a commission from qualifying purchases made through links on this blog.
FAQ / Common Questions
What is the ViewSonic VX4381U-4K price on Amazon US?
It is listed at $569.99, recorded as the lowest price on June 27, 2026.
What panel and resolution does the ViewSonic VX4381U-4K use?
The monitor uses a 43-inch VA panel at 4K Ultra HD (3840×2160) resolution, with 400 cd/m² brightness, a 4,000:1 static contrast ratio, and HDR10 support.
Does the ViewSonic VX4381U-4K support USB-C charging?
Yes. It has a single USB-C input that carries data, audio, and video while delivering 65W of power to a connected laptop.
How many inputs can the ViewSonic VX4381U-4K show at once?
Its Multi-Picture mode displays up to four simultaneous video sources in one layout on the 43-inch 4K screen. Inputs include two HDMI 2.1 ports, one DisplayPort, and USB-C.
What is the refresh rate of the ViewSonic VX4381U-4K?
The panel runs at 60Hz with a 3ms (GTG) response time.