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Accell USB-C HDMI Multi-Monitor Splitter - HDMI 1.4 Multi-Stream Transport (MST) Hub - 1x USB Type-C Connector (Thunderbolt 3 Compatible), 3X HDMI 1.4b Output, 4K UHD @30Hz, Black, 3 HDMI Output

Brand: Accell

395 ratings

| 49 answered questions

Price: $99.99

Style: USB-C Connector

Size: 3 HDMI Outputs

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Connector Type	Component
Brand	Accell
Warranty Type	Limited
Number of Ports	3
Power Plug Type	No Plug

About this item

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Connect 3 independent HDMI displays to a single USB Type-C port. Devices with Thunderbolt 3 ports are compatible.
Supports resolutions up to 4K Ultra HD @30Hz on 2 monitors. The third displays up to 1080p.
Compatible with Windows OS devices featuring DisplayPort Alt Mode USB-C ports (i. e. HP EliteBook x360, HP ProBook, Dell XPS, Microsoft Surface Book 2)
Mac OS does not support the MST technology for expanded monitors. It will allow for mirroring.
IMPORTANT: The maximum number of displays is limited by the number of display pipes supported by the video card. Microsoft Surface 3's Mini DisplayPort output that can drive just 1 external monitor; this provides no application for using a MST Hub.

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This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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		Sabrent USB Type-C Dual HDMI Adapter [Supports Up to Two 4K 30Hz Monitors, Compatible with Windows Systems Only] (DA-UCDH)	SIIG DisplayPort 1.4 MST Hub/Splitter, DisplayPort to 3X DP Monitors, Single 4K 60Hz or Dual 4K 30Hz or Triple 4K 30Hz Video Outputs in Extended Mode - for Windows PCs, NOT Mac OS (CE-DP0M11-S1)	StarTech.com 3-Port Multi Monitor Adapter - DisplayPort 1.2 to 3x HDMI MST Hub - Triple 1080p HDMI Monitors - Video Splitter for Extended Desktop Mode on Windows PCs Only - DP to 3x HDMI (MSTDP123HD)

Customer Rating	(395)	(2249)	(11)	(1456)
Price	$99.99	$34.98	$94.99	$114.36
Sold By	Accell	Store4PC	e-TekDepot	Amazon.com
Item Dimensions	15 x 4.25 x 0.5 inches	6.89 x 4.41 x 0.31 inches	1.64 x 4.13 x 0.55 inches	9.45 x 5.98 x 2.48 inches

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Specification Sheet (PDF)

User Guide (PDF)

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Product description

Style:USB-C Connector | Size:3 HDMI Outputs

The Accell USB-C to 3 HDMI multi-display MST hub allows you to enjoy up to three independent HDMI monitors from a single USB Type C Output while utilizing the multi-stream transport (MST) protocol. The MST hub can support up to three high-resolution displays independently. The maximum resolution is dependent on the throughput of USB-C as well as the graphics and display solution used. The ideal source device for the product supports DP Alternate Mode over USB Type C and runs on Windows operating system. Our hub can display up to two 4K monitors and ONE HD monitor simultaneously. With the reversible USB-C connector, you can immediately plug and display. The product gives you the freedom to choose to expand a single image across three displays like a video wall, Perfect for high resolution gaming and digital art display. You could also choose to dedicate each display to a separate application for efficient and productive multi-tasking.

From the manufacturer

Since 2002 ACCELL believes the best technology requires the best design, ease of use and reliability

We design & build to the most rigorous standards to deliver the quality and performance you deserve.

USB-C to HDMI Multi-Monitor Adapter - 3 Port MST Hub

Thunderbolt 3 Compatible - 4K HDMI Splitter

The USB-C 3 Display port allows three independent HDMI monitors from a single USB Type C output while utilizing the multi-stream transport (MST) protocol. It supports up to three high-resolution displays independently. The ideal source device for the product supports DP Alternate Mode over USB Type C and runs on Windows operating system.

With the reversible USB-C connector, you can immediately plug and display
Supports resolutions up to 4K @ 30Hz on 2 monitors. The third displays up to 1080p.
Mac OS does not support the MST technology for expanded monitors. It will allow for mirroring.

Vivid Visuals with 4K Resolution

The USB-C multi-monitor hub can simultaneously display up to 4Kx2K resolution on up to 3 monitors. The bandwidth can accommodate an additional monitor up to 1080p.

Please note:

If the displays do not automatically configure to the maximum supported resolution and refresh rate, please adjust in Display settings. Try setting the refresh rate to one Hz lower such as 59Hz, 29Hz
If a monitor does not display, you may want to disable the laptop's built-in screen

Mirror Screen Mode, Extended Screen Mode

Mirror or Extend Your Desktop Over 3 Displays

ACCELL ’s USB-C to 3 HDMI Multi-Display Hub connects up to 3 monitors from a single USB-C output. The multi-monitor splitter supports 3 independent displays.

You can view a single image across three displays for gaming, graphic design, or spreadsheet analysis. You can also dedicate each display to a separate application for efficient and productive multitasking. Use 2 MST Hubs with a graphics card with multiple video outputs to connect up to 6 external displays -- ideal for digital signage applications such as video wall configurations.

Please note:

2-hub configurations require a video card with 2 USB-C outputs.
The maximum number of displays is limited by the number of Display Pipes. See Video Card manufacturer for details.

Features

Utilizes Multi-Stream Transport (MST) protocol (Check if your source device supports the technology)
Compatible with Thunderbolt 3
Data bandwidth up to 5.4 Gbps per lane, 21.6 Gbps total
Can simultaneously display 2 Ultra HD resolution
Compliant to HDMI 1.4b, HDCP 1.3
Advanced WideEye SerDes Technology capable of receiving data over a long range

Minimum System Requirements

Windows operating system
Graphics card that supports DisplayPort Alt Mode over USB-C. Check with the manufacturer of the graphics card if not sure.
Tested compatible devices: Dell XPS 12, Dell XPS 13, HP Elitebook x360 G2, HP ZBook, Surface Book 2
Direct connection to a computer. Use of a docking station between the computer and MST hub is not recommended.

Frequently Asked Questions

Q: If the displays do not automatically configure to the maximum supported resolution and refresh rate, what to do?

A: Please adjust in display settings. Lowering the refresh rate 1 Hz down has resolved the problem. For example, instead of setting to 60 Hz, try 59 Hz.

Q: How can I get all my monitors to display? Only a few are displaying currently.

A:Disable your source device's screen and project to other screens.

Q: Using the ACCELL MST hub, how can I get my monitors in extended mode? Right now they are mirroring each other.

A: Go to display settings and configure each monitor to Extend mode. If the monitors are not recognized as independent displays, it is likely that the system does not support the MST technology.

Product information

Style:USB-C Connector | Size:3 HDMI Outputs

Product Dimensions

15 x 4.25 x 0.5 inches

Item Weight

3.99 ounces

ASIN

B07F6JPPHT

Item model number

U228B-001B

Customer Reviews

395 ratings

3.9 out of 5 stars

Best Sellers Rank

#2,448 in DVI-HDMI Adapters
#67,997 in Computer Cables & Interconnects

Is Discontinued By Manufacturer

Date First Available

June 29, 2018

Manufacturer

Accell Corporation

Warranty & Support

Product Warranty: For warranty information about this product, please Click here [PDF 279 KB]

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What's in the box

MST Hub

Customer reviews

5 star		57%
4 star		14%
3 star		9%
2 star		6%
1 star		14%

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Top reviews from the United States

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Britain

Stay Away, avoid purchasing anything from Accell.

Reviewed in the United States on June 16, 2017

Style: DisplayPort ConnectorSize: 3 DisplayPort OutputsVerified Purchase

This Hub would work for about a week or two and then completely stop. It would literally be functioning fine and then I would return to my desk after lunch and it had stopped working and the displays would be blank. I did the usual troubleshooting including plugging the monitors into the computer directly (worked fine) and moving the hub to another computer (no response), even testing the output voltage of the power supply (measured fine)...concluding that the unit died. I even had the unit replaced once by Amazon and the new one stopped working after a week of use. What is even more frustrating is that when I did the final return due to a defective unit, the manufacturer charged a 15% restocking fee! You shipped me a defective unit and now I am being charged a restocking fee...absolutely ridiculous. I will never purchase another product from Accell again.

23 people found this helpful

Helpful

Brian K. Reynolds

Works perfectly with Surface Pro 3 + docking station and two HDMI monitors

Reviewed in the United States on February 7, 2018

Style: Mini DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

EDIT: I bought & installed this in Feb 2018. It is now Mar 2020, and it still works perfectly. I just started working from home and bought a second one for my work laptop. It works great too.

This MST hub works perfectly with my Microsoft Surface Pro 3 tablet and Microsoft 3Q9-00001 docking station.

It works equally well when plugged into the built-in mini Display Port on the Surface tablet, or when plugged into the mini Display Port on the docking station.

I am using it with two monitors that have HDMI inputs. I bought cables that go from DisplayPort to HDMI. Here's the link for the DisplayPort-to-HDMI cables (copy it and paste it into your browser's address bar):

https://www.amazon.com/gp/product/B01EY67S6O

The whole setup works perfectly. It took me less than 5 minutes to setup.

Via the Windows 10 "Projector" menu (press-hold the "Windows" key on the keyboard, and tap the "P" key to access this menu), I can choose to mirror or extend the display. "Mirror" displays the same image on all three displays (built-in surface display plus two external monitors). "Extend" allows me to display different windows on each of the three displays.

The docking station also has 5 USB ports, allowing me to plug-in a full-size desktop keyboard and mouse.

The combination of this MST hub, plus the docking station, makes my Surface Pro 3 a true "desktop" PC!!!

6 people found this helpful

Helpful

Sonu

perfect for an extended desktop across dual monitors

Reviewed in the United States on May 26, 2020

Style: Mini DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

I've been using this for a week, and it works beautifully. Because of the coronavirus pandemic everyone in my office was ordered to work from home. My home setup is an Asus ROG 752 gaming laptop with a wireless keyboard and mouse and connected to two 24 inch monitors via this MST hub. In extended desktop mode, the laptop screen is mirrored on one monitor, and the desktop is extended across the second monitor. The only setup that was required after connecting the MST hub was to specify the scale, layout, and resolution in the Win 10 Display Settings.

The GeForce 980M video card has 4GB of RAM and displays a resolution of 1980x1200 on each monitor. I wish I had 8GB of video RAM to get a higher resolution.

The MST hub works perfectly. There is no flicker or delay. I can attend a Zoom meeting on one monitor and remote login to my office on the other monitor. When the meeting ends, I stretch the remote login window across both monitors.

2 people found this helpful

Helpful

ray

1 mini display port to 3 display port adapter

Reviewed in the United States on April 11, 2020

Style: Mini DisplayPort ConnectorSize: 3 DisplayPort OutputsVerified Purchase

Got the 1 mini display port to 3 display port adapter. I was able to use this to connect to my surface laptop v1 to 2 additional external monitors to extend the display, it was easy to connect, no setup needed . I was previously using my surface laptop with a remote desktop to with 1 external monitor via a mini display port to hdmi cable and I was experiencing a slight lag when I used remote desktop. I've noticed that since using the display port inputs on the external monitors now there is no longer a lag with remote desktop. One point of concern is while I was rearranging my external monitors I noticed the display connection was cutting in and out. If I handle and move around the adapter the display connection will cut in and out which makes me think the connection is not great, once the adapter is stationary and not moving around it works with no issues.

2 people found this helpful

Helpful

GDam

Great Customer Service

Reviewed in the United States on November 12, 2020

Style: Mini DisplayPort ConnectorSize: 3 HDMI OutputsVerified Purchase

Initially, when I received my original shipment, the Accell device was causing my display screens to constantly blink, causing temporary disconnects to my 2nd and 3rd monitors. If I did a direct connect to my display, I had no issues with the disconnect to either display. Only when the device was connected this behavior happened. I contacted the Accell Support team and they were very responsive to the issue that was occurring. The support team determined that a replacement was warranted and going through the replacement process was seamless. Because of this support where it was no-fuss support, I would highly recommend this product to anyone. The replacement device as of now, is not causing my 2nd and 3rd display to disconnect. It works as expected.

One person found this helpful

Helpful

David

Damaged my monitor; might work okay for certain monitors.

Reviewed in the United States on November 24, 2020

Style: Mini DisplayPort ConnectorSize: 3 DisplayPort OutputsVerified Purchase

This product seems to work okay at first for certain monitors. Your mileage may vary. If you have three identical monitors, this product will probably work. But here are the problems that I unfortunately experienced, and I really hate to write bad reviews but these are the facts:

1. It does not work correctly for 2 of my monitors. It makes the image shifted so there is a black bar, using only 90% of the available pixels. No changes to the display settings in Windows will fix this.

2. It blew out a line of pixels in my 3rd monitor. It does display 100% of the pixels on this monitor, but it caused a random line of pixels to turn purple and this is permanent hardware damage.

I don't know if there are other factors that could lead to these problems such as (a) the DP->DVI cables, (b) a power surge, or (c) the particular monitors I am using. But I mean there are published video signal standards and stuff so there is no excuse for incompatibility - who is at fault I don't know.

YMMV maybe I got a lemon.

Helpful

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legacy_clutter

It works well. However, I have a display ...

Reviewed in Canada on December 19, 2017

Style: DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

It works well. However, I have a display port to DVI connector on each on the display ports after and older monitors seem to be unable to handle the signal after the splitter while the same monitor handles a display port to DVI signal off the PC directly no problem. Not sure why, but other users may experience a similar issue. with older monitors. So far my tests have shown monitors older than 2008 might have a hard time handling a converted digital signal signal off this unit.

One person found this helpful

it works nice

Reviewed in Canada on June 7, 2020

Style: Mini DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

I am not much of tech person, and was worried a bit, but it was as easy as plug & play. both monitors and lap top screen are working
the only issue (which goes back to my tech knowledge) is that it needs a strange connector, I thought it is HDMI by looking at the picture, so I ended up baying two convectors, yes it is annoying.

Mathieu Belanger

Sturdy but 2nd screen flickers sometimes and require some plug-unplug for 5min to work correctly

Reviewed in Canada on December 19, 2020

Style: Mini DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

I have a Surface Book (1st gen). So the mini display-port is not on the same side as the USB ports used to power the MST Hub. I am using a usb extender to be able to plug everything correctly. <

However the connection to my 2nd screen is very unstable (I have 2*1440p dell monitors at 59Hz). When I open my laptop and start to work I almost always have to fiddle with the power cable (plug & unplug multiple times) and the sync button in order to get the 2 screens correcly working. Otherwise the 2nd screen would flicker and/or not show any image at all. For a few weeks I only had a single monitor and I didn't experience any problems. It's when I started using a 2nd one that the sync issues showed.

It always end up working but its a frustrating 5-10min of time waster when I start my day or comeback for lunch.
Maybe my unit is simply not working correctly?

Joe N Hunter

Easy to install. After a couple days the device is failing.

Reviewed in Canada on November 3, 2019

Style: Mini DisplayPort ConnectorSize: 2 DisplayPort OutputsVerified Purchase

The device appears to be of good quality.
We're waiting for cables to connect it properly.

After a couple days, 1 of the monitors quit working, it went into Power Saving Mode.
I exchanged the cables and it didn't help. Troubleshooting points to the Accell device.

Please advise.

One person found this helpful

Xav Leon

Funciona Muy Bien

Reviewed in Mexico on April 7, 2021

Style: USB-C ConnectorSize: 2 HDMI OutputsVerified Purchase

Lo compre para trabajar mejor con mas monitores y Funciona muy bien, permite la opción de Ampliar/Extender Pantalla en Windows, de esa es una gran ventaja para ocupar un solo puerto USB C y tener 2 Monitores Extra Independientes al mismo tiempo.
Por cierto, el envió se realizo en tiempo y forma.

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Accell USB-C HDMI Multi-Monitor Splitter - HDMI 1.4 Multi-Stream Transport (MST) Hub - 1x USB Type-C Connector (Thunderbolt 3 Compatible), 3X HDMI 1.4b Output, 4K UHD @30Hz, Black, 3 HDMI Output

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About this item

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Product guides and documents

Have a question?

Product description

From the manufacturer

Since 2002 ACCELL believes the best technology requires the best design, ease of use and reliability

USB-C to HDMI Multi-Monitor Adapter - 3 Port MST Hub

Thunderbolt 3 Compatible - 4K HDMI Splitter

Vivid Visuals with 4K Resolution

Mirror or Extend Your Desktop Over 3 Displays

Features

Minimum System Requirements

Frequently Asked Questions

Product information

Warranty & Support

Feedback

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