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Description
Viewsonic VA3820C 38 Inch UltraWide Quad HD LED Curved Monitor with USB-C Hub, 4.8ms, HDMI, Display Port, 3840 x 1600, 75Hz, Speakers, Height Adjustable, BlackThe ViewSonic VA3820C is a 38 Inch UWQHD+ (3840 x 1600) monitor featuring USB 3. 0 Hub with 1 upstream, 2 downstream ports, HDMI, and DisplayPort for business and home use. Its 21: 9 aspect ratio and 2300R curvature provide an immersive viewing experience. Simplify your work with just one cable that provides audiovisual, data and 96W power transfer. The 75hz refresh rate, Eye ProTech+ technology, and various ViewMode presets cater for optimal screen
The ViewSonic VA3820C is a 38 Inch UWQHD+ (3840 x 1600) monitor featuring USB 3.0 Hub with 1 upstream, 2 downstream ports, HDMI, and DisplayPort for business and home use. Its 21:9 aspect ratio and 2300R curvature provide an immersive viewing experience. Simplify your work with just one cable that provides audiovisual, data and 96W power transfer. The 75hz 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 VA3820C 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.
Stunning WQHD+ Resolution on a 21:9 Ultra-wide Screen
Immerse yourself in a comfortable, wide viewing experience with stunningly detailed visuals. The VA3820C features WQHD+ resolution (3840 x 1600) and an ultra-wide 21:9 aspect ratio, offering 35% more screen space than a 16:9 monitor of the same size, making it perfect for enhanced multitasking.
Viewing Comfort with Seamless Focus
The VA3820C’s 2300R curve is expertly designed to maintain a uniform visual distance, providing a more immersive viewing experience. Whether you are managing multiple tasks or working on projects for prolonged hours, this monitor offers flexible viewing, reduces eye and neck strain, and enhances physical comfort to support a more efficient workflow.
Exceptional Color Precision
Experience true-to-life visuals with a 98% DCI-P3 color gamut, ensuring your presentations, graphic designs, and on-screen content are vibrant and visually engaging.
HDR10 Delivers Stellar Contrast and Color Accuracy
Compatible with the industry-standard HDR10 High Dynamic Range, this monitor delivers highly defined color, brightness, and contrast greatly exceeding the capabilities of ordinary SDR products.
Connection Flexibility
HDMI, and DisplayPort (DP) inputs give you the freedom to connect your monitor to a wide range of devices. Simplify your workspace, expand your connectivity options, and streamline data transfer with our monitor's integrated USB hub.
A New Angle on Workplace Ergonomics
Effortlessly swivel the display up to 60° degrees, tilt up to -5°~15° degrees and raise up to 130 mm. The tilt also enables you to use the monitor while standing or having a strategic group discussion around the screen.
Built-in Speakers
This monitor is integrated with dual 2.5-watt stereo speakers. When paired with incredible screen performance, the combination provides complete multi-sensory immersion.
Eye ProTech+ for Always-on Eye Protection
Work comfortably over extended periods with ViewSonic Eye ProTech+. Combining Flicker-Free technology with a built-in low blue light screen, this monitor helps maintain fresh-feeling eyes and prevent digital eye fatigue at all times without compromising image quality.
Dimension & I/O Ports
Conveniently mount the monitor to your preference by utilizing the 100mm x 100mm VESA-compatible mount design.
Specification
Display Size (in.)
38
Viewable Area (in.)
37.5
Panel Type
IPS Technology
Resolution
3840 x 1600
Resolution Type
WQHD+ (Wide QHD+)
Static Contrast Ratio
2,000:1 (typ)
Dynamic Contrast Ratio
50M:1
High Dynamic Range
HDR10
Light Source
LED
Brightness
300 cd/m² (typ)
Colors
1.07B
Color Space Support
10 bit (8 bit + A-FRC)
Aspect Ratio
21:9
Response Time (GTG w/OD)
4.785ms
Viewing Angles
178º horizontal, 178º vertical
Backlight Life (Hours)
30000 Hrs (Min)
Curvature
2300R
Refresh Rate (Hz)
75
Variable Refresh Rate Technology
Yes
Low Blue Light
Hardware solution
Flicker-Free
Yes
Color Gamut
DCI-P3: 98% size (Typ)
NTSC: 95% size (Typ)
sRGB: 134% size / 100% coverage (Typ)
Pixel Size
0.229 mm (H) x 0.229 mm (V)
Surface Treatment
Anti-Glare, Hard Coating (3H)
Compatibility
PC Resolution (max)
3840x1600
Mac Resolution (max)
3840x1600
PC Operating System
Windows 10/11 certified; macOS tested
Mac Resolution (min)
3840x1600
Connector
USB 3.2 Type B Up Stream
1
USB 3.2 Type C Up Stream; DisplayPort Alt mode
1 (96W power charger)
3.5mm Audio Out
1
HDMI 2.0 (with HDCP 2.2)
2
DisplayPort
1
Power in
DC Socket (Center Positive)
Audio
Internal Speakers
2.5Watts x2
Power
Eco Mode (Conserve)
26W
Eco Mode (optimized)
29W
Consumption (typical)
32W
Consumption (max)
39W
Voltage
AC 100-240V
Stand-by
0.5W
Power Supply
External Power Adaptor
Additional Hardware
Kensington Lock Slot
1
Controls
Physical Controls
M, Right, Left, E, Power
On Screen Display
Input Select, Audio Adjust, ViewMode, Color Adjust, Manual Image Adjust, Setup Menu
Operating Conditions
Temperature
32°F to 104°F (0°C to 40°C)
Humidity (non-condensing)
20% to 90%
Wall Mount
VESA Compatible
100 x 100 mm
Input Signal
Frequency Horizontal
HDMI (v2.0): 15 ~ 222KHz, DisplayPort (v1.4): 15 ~ 222KHz, Type C: 15 ~ 222KHz
Frequency Vertical
HDMI (v2.0): 30 ~ 75Hz, DisplayPort (v1.4): 48 ~ 75Hz, Type C: 48 ~ 75Hz
Video Input
Digital Sync
TMDS - HDMI (v2.0), PCI-E - DisplayPort (v1.4), Micro-Packet - Type C
Ergonomics
Height Adjust (mm)
130
Swivel
60º
Tilt (Forward/Back)
-5º / 15º
Weight (imperial)
Net (lbs)
20.7
Net Without Stand (lbs)
15.9
Weight (metric)
Net (kg)
9.4
Net Without Stand (kg)
7.2
Gross (kg)
13.3
Gross (lbs)
29.3
Dimensions (imperial) (wxhxd)
Packaging (in.)
45.3 x 20.7 x 7.5
Physical (in.)
35.33 x 14.85~19.96 x 9.36
Physical Without Stand (in.)
35.33 x 15.69 x 4.17
Dimensions (metric) (wxhxd)
Packaging (mm)
1150 x 525 x 190
Physical (mm)
897.5 x 377.2~507.2 x 237.8
Physical Without Stand (mm)
897.5 x 398.5 x 105.9
General
Regulations
Energy Star, CE, CE EMC, CB, RoHS, ErP, REACH, WEEE, EAC, UkrSEPRO, RCM
PACKAGE CONTENTS
VA3820C x1, 3-pin Plug (IEC C13 / CEE22) x1, HDMI Cable (v2.0; Male-Male) x1, DisplayPort Cable (v1.4; Male-Male) x1, USB Type-C Cable (Male-Male) x1, USB A/B Cable (v3.2; Male-Male) x1, AC/DC Adapter x1, Quick Start Guide x1
Recycle/Disposal
Please dispose of in accordance with local, state or federal laws.
Warranty
*Warranty offered may differ from market to market
Power Management
Energy Star standards
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great for bad immune systems
Size: 180 Count (Pack of 1)
I used to be sick a MINIMUM of 5x a year. Coming up on a little over a year and a half of consistent use and I have only been sick ONCE
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Best Magnesium source!
Flavor Name: Unflavored, Size: 90 Count (Pack of 1), Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
I have tried many forms of Magnesium in the past, it’s an essential mineral for the body (regulates over 300 functions). It helps with sleep, blood pressure, cognitive function, mood, muscle cramps, and ATP production (the powerhouse of the cell).
Science talk aside, I have tried Magnesium Glycinate and Citrate, and they can do a number on the gut, moving things along too quickly! Magnesium L-threonate has become very popular, but I am very picky about my supplements and the companies that make them. Jarrow Formulas is top notch!
I have started looking for supplements that are more “bio-available” as they are better absorbed and used by the body. This supplement does all of the above, without upsetting my gut and making it overactive.
I ran out of this supplement a few months ago, money was really tight, and it really affected my sleep, which is priceless! It also has L-threonate, which promotes sleep and positive mood. I am happy to have this back in repertoire, combined with vitamin D once a week (50,000IU), and Calcium Hydroxyapatite (see my other reviews, also super bioavailable).
If you are looking for a Magnesium source that helps you sleep and regulate body functions without the side effects on your gut, this is a standout choice that works great!
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Reviewed in the United States on January 4, 2026
★★★★★ 5
My Monthly Magnesium Supplement
Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
I have been ordering the Jarrow Formulas Magnesium L-Threonate, MagMind on repeat every month because it has become an essential part of my routine. I take it consistently to support brain health, memory, and overall cognitive function, and I’ve noticed it helps me feel more focused and mentally sharp. The capsules are easy to take, and the supplement seems to absorb well, which is important for magnesium effectiveness. I appreciate that it’s high-quality and reliable, which is why I keep coming back every month without hesitation.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Jarrow is a trusty brand, Magmind is superior for cognition, spatial relations and SLEEP QUALITY - UPDATED REVIEW
Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
I have been using Jarrow Formula supplements for a number of years, especially the Vitamin B12 - methylcobalamin and Vitamin K2 - MK7 supplements. I have been impressed with their continuing development of new *effective* products at a great price point.
My husband and I have been taking approximately a gram a day of supplement Magnesium (cheaper products) for almost 5 years now. In that time we have cured his former type 2 diabetes (after almost a 2 decade battle with medicated fasting BGs in the 500s at one point!) and we have almost completely reversed his hypertension of many years as well has have turned his end stage Severe Congestive Heart Failure around so he's relatively free of symptoms. I credit not only the magnesium, but also high doses of Vitamin D (ALWAYS taken with magnesium and fish oil!!), a whole foods source multi, the Sinatra Protocols for supplements as found in the back of
and a number of minerals especially trace minerals as found in
.
I was looking into research on magnesium and the brain when I ran into the MIT study published in 2010 showing magnesium L-threonate is the only form of magnesium to cross the blood-brain barrier and showed observable improvements in cognitive measures. Interesting. So we bought a bottle at our local neighborhood nutrition shop after a discussion with the owner, a couple I have come to trust during our many battles with the medical establishment.
Jarrow Formulas of magnesium L-threonate as Magmind is a very cost-effective source. To further economize we are still taking our regular magnesium supplement 3 times a day (750 mg) then taking this form of magnesium as part of our bed time routine (replacing the 4th magnesium of the day). I am genuinely impressed. Our sleep has improved yet another notch, which is saying something since the 5 years of magnesium supplementation meant we already had really good sleep quality. What I have noticed is that after multiple head trauma injuries (including a serious concussion earlier this year) my previously very high level of spatial relations was slipping. Now with Jarrow I feel I'm getting that edge back. I am very impressed. I will update again with further results after we've been taking this formula longer.
2015 UPDATE - in the years since we first tried MagMind I've referred hundreds of people to try this quality supplement with great results. We've since learned to couple magnesium with taurine for even greater results. Taurine is VERY well documented to improve the fluidity of electrolytes within the cells including within the brain.
NOVEMBER 2016 UPDATE:
Well, here we are 4 years later. We still personally use and recommend MagMind. What we discovered though, since he was put on Armour Thyroid by our primary care he no longer seems to be "leaking" magnesium hence we've cut magnesium supplementation waaayy back. Plus we soak in epsom salts far more. Magnesium is still vital however we're no longer "taking a gram a day."
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Reviewed in the United States on November 15, 2012
★★★★★ 4
Works like magnesium, not certain on brain benefits. I like the brand.
Flavor Name: Unflavored, Size: 90 Count (Pack of 1)
I take magnesium near-daily and have for some time due to my diet. Mostly it's glycinate, though sometimes I'll take some citrate. This is my first experiment with l-threonate.
Before I get into this, I am not taking this as directed. I take 2 capsules during the day and usually take a different type of magnesium toward evening. I have about 40 capsules left, so I've taken a bit more than half the bottle so far.
Supposedly magnesium l-threonate may give you brain benefits over other types of magnesium. If it does, I'm not sure. It seems to have the same, general magnesium benefits for relaxation, sleep, muscles and nerves, but I don't notice any clear indication that my brain is working better: I'm thinking clearer, faster or am sharper mentally. This could be happening to a small degree, but other changes I've made could lead to this as well, so the waters are muddy there.
I'm going to cycle back to magnesium glycinate after I'm done with this bottle, or maybe open up my magnesium optimizer (also by Jarrow -- magnesium malate, b6, potassium and taurine), then come back to this again. See if there's any noticeable difference in my mental capabilities or focus. If I seem to see an association, I'll update this.
I like the brand. I've used their Magnesium Optimizer before and was pleased with that (bought another bottle), their fulvic acid / shilajit -- that seemed to work. I'm a fan. This magnesium is more expensive than other types, but at present I'm not sure that extra cost is worth it over a different type of magnesium.
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Reviewed in the United States on October 23, 2023