The Best dual monitor adapter of 2021 – Top 10 and Rankings

If you’re looking for dual monitor adapter but don’t know which one is the best, we recommend the first out of 10 dual monitor adapter in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

SaleRank No. #1
StarTech.com USB 3.0 to Dual HDMI Adapter - 1x 4K 30Hz & 1x 1080p - External Video & Graphics Card - USB Type-A to HDMI Dual Monitor Display Adapter - Supports Windows Only - Black (USB32HD2)
  • THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty and free lifetime technical support on this adapter and has been the choice of IT professionals and businesses for over 30 years.
  • INCREASED PRODUCTIVITY: The USB 3.0 to Dual HDMI Adapter lets you mirror or extend your display, using multiple apps at the same time by adding two independent HDMI monitors to your laptop using a single USB 3.0 port
  • HIGH RESOLUTION SUPPORT: Add astonishing picture quality through the USB 3.0 port of your computer by adding support for video resolutions of up to 4K at 30Hz
  • NO POWER SUPPLY NEEDED: Connect the 4K UHD dual monitor adapter directly to your computer without the need for an additional power supply. Memory - 64MB
  • WINDOWS ONLY: This USB 3.0 to Dual HDMI Adapter is only compatible with Windows operating systems and does not support MacBook devices. Operating Temperature: 0°C to 40°C (32°F to 104°F)
SaleRank No. #2
USB C to Dual HDMI Adapter 4K @60hz,Type C to HDMI Converter for MacBook/MacBook Pro 2020/2019/2018,MacBook Air,Chromebook Pixel,LenovoYoga 920/Thinkpad T480,Dell XPS 13/15,Surface Book 2, etc
  • USB-C to Dual HDMI Adapter 2 in 1: ❤️Attention: For Mac OS, it ONLY Mirror Mode, Can't extend two different Screen, due to Mac OS limitation; Connect device with USB Type C (tunderbolt 3) port to two external monitors with 4K HDMI output; You can enjoy movies,games with your families on external ultra HD big screen; Windows OS supports both SST and MST mode, if you not sure how to setting, please contact us, or download the user guide in Product information->Product information.
  • Wide Compatibility: ❤️(Note: NOT for all USB-C port laptop, such as this adapter CANNOT work with HP Pavilion/Lenovo IdeaPad, You need to confirm that your host device's C port supports video output or DP Alt Mode, and you can normally see the DP-logo next to the port if this is the case, ).This HDMI Reader works well with Thunderbolt 3 compatible devices,such as MacBook/MacBook Pro2020 2019 2018 2017,MacBook Air2020-2018,iPad Pro 2018 ,Dell XPS13/15,Samsung Galaxy S9/S9+,etc
  • Vivid 3D Effect Video Sync: This usb c to hdmi adapter resolution up to 4K(3840X2160P@60HZ), dual monitor with HDMI at 3840x2160@30Hz; Dual monitor USB C adapter also support 1440p and 1080p at 60Hz offered by the DisplayPort MST technology; with this high-performance USB-C adapter when you play games the screen without any millisecond delay.❤️ (Important: ONLY when your devices support 4K resolution, the video output will be 4K,please make sure to use a HDMI 2.0 cable or better.)
  • Hassle-Free Setup: Multi-stream transport offers an easy setup by natively working on device that supports DP Alt Mode over USB Type-C; plug-and-play, no drivers or software required.❤️ (NOTED:Please connect the monitor (HDMI port) first, then the laptop (usb c port), You may need to change the settings of "the default audio output device" on system preferences to deliver sound.)
  • What you get a: 1* USB Type C Adapter, 1* User Manual, At SELORE we offer 1-year defective product refund/replacement and friendly customer service; If there is any problem with this Dual HDMI Converter (such as: how to setting, how to use it...), please don't hesitate to let me know. I will always do my best to help on it.
SaleRank No. #3
avedio links HDMI Splitter 1 in 2 Out, 4K HDMI Splitter for Dual Monitors Duplicate/Mirror Only, 1x2 HDMI Splitter 1 to 2 Amplifier for Full HD 1080P 3D with HDMI Cable (1 Source onto 2 Displays)
  • 1x2 HDMI SPLITTRE DUPLICATE/MIRROR ONLY - Powered HDMI Splitter can distribute one HDMI input signal to two HDMI displays, transmit video and audio simultaneously, no loss, no lag (NOTE: just Duplicate/Mirror screens, Not Extend)(the unit does comes with a USB-micro USB cable, But does not come with a 110v power source)
  • PORTABLE - 4K HDMI Splitter 1 in 2 out, size: 2.5x2.1x0.5 inches/ 6.3X5.3X1.2 cm ( L X W X H ), easy to use and carry, travel friendly. USB cable included(it needs to be powered via usb), no need external driver, safety and Eco-friendly (Seller recommend 25ft long hdmi cable(max))
  • 4K ULTRA HD RESOLUTION - HDMI Splitter for dual monitor support 4K, 3840x2160p, 3D, and 480i@60Hz/ 480p@60Hz/ 576i@50Hz/ 576p@50Hz/ 720p@50/ 60Hz/ 1080i@50/60Hz/ 1080p@50/60Hz/ 1080P 24Hz 3D/720 60Hz /4K@30HZ [For 4K resolution, the frequency can't above 30Hz].NOTE:Not Compatible With HDCP2.2.
  • SUPPORT - 4K HDMI Splitter one input to two outputs support HDMI v1.3/1.4, HDCP compliant ( version 1.2). Support deep color 30 bit/36 bit. Support audio format: DTS-HD/Dobly-true HD/LPCM7.1/DTS/Dobly-AC3/DSD/HD(HBR)
  • PACKAGE INCLUDED - 1 * [ 1 in 2 out HDMI Splitter], 1 * [USB cable(usb power adapter not included,Please plug the usb into a wall outlet,not a cable box etc...)],1*High Speed HDMI Cable.
Rank No. #4
Syntech USB C to Dual HDMI Adapter, Type C Thunderbolt 3 to Dual Monitor Adapter Compatible with Dell XPS 13/15, Surface Book Pro and more Windows Only, Not for Mac
  • Dual HDMI Ports: Use Syntech USB C to dual HDMI adapter to output signal to HDMI-enabled monitors/HDTV/projectors. Extend your small screen to two external displays. Boost your work productivity and efficiency. Reliable tool for office manager, calling center supervisor and data analyst.
  • Not For All USB C Devices: Please check the compatibility before you buy.Syntech Type C HDMI splitter is a good choice for Windows users as it supports three different modes under Windows OS. You can mirror your laptop or extend the screen to two identical or distinct external displays (AAA, ABB, ABC). It will not allow for split screen under Mac OS (supports AAA and ABB only). Tablets/phones can mirror one screen only.
  • Warmly Note: Please carefully check the compatibility before you make the purchase. Some usb c ports only support data transfer and do not support video transmission
  • Stylish and Durable: Covered by premium aluminum alloy case and engineered with the best chipset, Syntech dual HDMI converter provides a sleek and sturdy solution for extending your laptop screen. You do not have to download any drives or software. Features a plug and go design for simple usage.
  • Stunning HD display: This adapter supports up to 4K@60 Hz for identical external displays and 4K@30Hz for distinct external displays. Enjoy movies and games in 4K resolution across two monitors. Please be noted the resolution will be influenced by the host device, cables, monitors and the mode you choose
Rank No. #5
USB C to Dual HDMI Adapter, Dual Monitors Adapter USB C Adapter USB C Hub with 2 HDMI Docking Station 4K @60hz for Laptop HP/Dell/Surface/Lenovo/Thinkpad/Chromebook
  • USB C to Dual HDMI Monitor adapter(2 in 1): This dual monitor adapter expend your laptop’s usb c ports into 2 hdmi port. Use this usb c dual hdmi donlge extend your 1 monitors to two external multiple monitors(support different image on your monitors) and this dual hdmi adapter allows you to do different project on differnet monitors. Boost your work productivity and efficiency. It is an ideal usb c accessories for photography,programmer, data analysis, etc
  • Wide Compatible: This usb c hdmi adapter almost support all usb c laptops: Dell XPS12(9250) /Dell XPS13(9350) /Dell XPS15(9550), Dell Latitude 13 7000/Latitude 13 E7370/Lenovo Yoga 720/ Yoga 910/ Yoga 920/ Yoga 930/HP Spectre x2 x360/HP Probook 450 G5/6/7 HP Chromebook 14/Surface Book 2 Surface Go Surface Pro 7 Surface Pro X Surface Laptop 3. Please note, if your usb c port is NOT with video output or DP Alt Mode, then dual monitor for dell hp adapter won’t support for your laptop
  • Enjoy Crystal-Clear 4K UHD Image: This dual hdmi usb c adapter’s 1 HDMI port is used, max resolution up to 4K@60Hz. This 2 hdmi monitor adapter ‘s 2HDMI port are used,max resolution up to 4K@30Hz. Support extend mode and mirror mode. Support MST and SST for win laptop. Please note the mac laptop only support mirror mode(CANNOT extend 2 different images on monitors)
  • Easy-Setting: This Multiple hdmi monitors adapter usb c just Plug and play, no need to install any driver/software. With Advance chip, this hdmi adapter support all new usb-c/type c/thunderbolt 3 win laptops with DP Alt Mode on usb c port,performace more stable. This adapter WON’T support HP Pavilion/Lenovo IdeaPad
  • If the monitor of your laptop is not enough space to complete the work, then this usb-c dual hdmi will be an ideal choice! You can do more project on different monitors. You can used in work, home,school. Aluminum Plate for strong antioxidant capacity. Safety wire core for high quality insulation outer layer. Provide 12 months warranty + Lifetime technical support + Friendly after-sales service within 24 hours.
Rank No. #6
USB C to Dual HDMI Hub,7 in 1 USB C Docking Station to Dual HDMI Displayport VGA Adapter,USB C to 3USB 2.0, Multi Monitor Adapter for Dell XPS 13 15,Lenovo Yoga,Huawei Matebook X pro,etc
  • Multi display adapter for laptop: 7-IN-1 USB C Adapter to dual HDMI 4K (1*60HZ & 1* 30HZ), 1*60HZ DP, 1*1080P VGA,3* fast speed USB 3.0(Up to 5Gbps), with four high-definition video output ports,Under Extended Mode, you can enjoy 5 multiple display from 2 HDMI output, 1*DP output, 1* VGA and 1*screen of laptop. ❤Please Note: ONLY Windows OS can extend four display (support MST), Mac Does Not support Extend Mode, HDMI 1 and DP will be 60HZ while work separately while source is DP1.4.
  • USB C to Dual HDMI Adapter :❤Attention: On Mac devices, ONLY Mirror Mode, CAN NOT extend two different Screen, due to Mac OS limitation; Connect device with USB Type C (tunderbolt 3) port to two external monitors ; You can enjoy movies,games with your families on external ultra HD big screen; ON Windows this usb c dual hdmi adapter support SST and MST mode, if you not sure how to setting, please let us know, or download the user guide in Product information->Product information.
  • Thunderbolt 3 to DisplayPort: USB-C to DisplayPort 1.4 Adapter supports up to 3840x2160 4K 60HZ, with this USB C to DP adapter and compatible equipment; Connects the laptop with a USB-C or Thunderbolt 3 port to a monitor with DisplayPort, ❤Please make sure your laptop specification support DP1.4 signal output, or it will be 30HZ.; USB C to VGA Adapter compatible for VGA projectors, stream video to a UHD TV, or connect to a projector for a presentation.
  • Standard USB A port: 3* USB 2. 0 ports provide more stable connection without wireless interference; Due to the USB 3. 0 radio frequency interference to the wireless connection, It is advisable to connect your wireless device to the USB 2. 0 ports; transfer speeds up to 480Mbps; This Dual Monitor Adapter Make Your Life More Intelligent.
  • Extensive Compatibility: This usb c docking station works well with Thunderbolt 3 compatible devices,such as MacBook/MacBook Pro2020 2019 2018,MacBook Air2020-2018,iPad Pro 2018 ,Dell XPS13/15,Samsung Galaxy S9/S9+,etc❤️(Attention: HDMI DP function need to confirm that your host device supports video output or DP Alt Mode, NOT for all USB-C port laptop, such as this adapter CANNOT work with HP Pavilion/HP EliteBook/Lenovo IdeaPad...)
Rank No. #7
USB to Dual HDMI Adapter, USB 3.0 Dual HDMI Adapter, USB Hub with 4K 30Hz HDMI, USB Port, External Video & Graphics Card - Dual Monitor Display Adapter - Supports Windows/Mac OS
  • 【SUPER-FAST DATA TRANSFER WITH 3XUSB2.0】USB 3.0 Dual HDMI Adapter with 3x USB 2.0 ports with 900mA output and ensure instant sync and file transfer at 480Mbps transfer speed accordingly, and easily connect smartphones, tablet, hard drives for effortless data transfer with USB-C port. 3X USB 2.0 allows you to connect keyboard or mouse without any lag.
  • 【PORTABLE 5-IN-2 USB-A/C HUB】 USB 3.0 to Dual HDMI Adapter Designed for laptop. With advanced chips, expand your work opportunities and provide you more stable performance. No need any drivers or software, just plug and play. Convert your laptop USB C/A port into 5 ports:2 HDMI and 3 x usb
  • 【Mirroring and expansion mode】: This USB C to 2 display adapter can synchronously mirror the screen of the computer to two independent displays for display; it can also extend different application windows to two independent displays to obtain different images. Very suitable for data comparison and securities monitoring. Operating Temperature: 0°C to 40°C (32°F to 131°F)
  • 【Compatible with multiple systems】: This USB to dual hdmi adapter is compatible with all usb 3.0 port or usb c port loptop, Windows 7/8/8.1/10,Mac OS, include MacBook (M1) , and ChromeBook, Pixelbook Go. plug and play, the adapter is powered by USB, no external power supply is required. After installing the driver, connect the device properly and use it.
  • 【Your Satisfaction Guaranteed is Our Primary Policy】: USB Hub sincerely provide 60 days guarantee warranty of a full refund or new replacement service, obviously, there are no worries hidden for you to purchase this adapter! If you have any issues before or after order, please do not hesitate to contact us for a pleasant solution, Thank you so much for your trust and order!
SaleRank No. #8
Cable Matters 12 Inch VGA Splitter Cable (VGA Y Cable) for Screen Duplication - Does NOT Show Separate Displays (No Screen Extension)
  • VGA dual monitor adapter sends an identical VGA signal to two separate VGA displays; Reliably transmits an identical signal to two separate monitors; VGA cables (sold separately) are required
  • Duplicator VGA splitter dual monitor has a male connector that plugs directly into a computer; Two female VGA sockets on the VGA splitter cord connect to the VGA cables of two separate displays
  • Video resolution support for 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), and 1080p for high resolution LCD and LED monitors; Audio must be transmitted separately
  • Sturdy construction of the monitor splitter adapter supports the weight of 2 VGA cables; Engineered for frequent use and long life and backed by a lifetime warranty
  • Universal VGA compatibility with computers and displays; Also known as RGB, DB-15, DE-15, HD-15, HDB-15 or D-sub 15
SaleRank No. #9
USB C Docking Station Dual Monitor Adapter,USB-C to Dual HDMI Adapter, 9 in 1 Triple Display Displayport Adapter SD TF Card Reader 2USB 2.0, 1 USB 3.0, 100W PD for Windows Dell XPS, Lenovo Yoga,etc
  • 9-IN-1 Laptop USB C Docking Station:Perfectly combined the function of USB c dock and hub featuring USB C Thunderblot 3 to Dual HDMI ports 4K@60HZ,1*DP outpout,1*fast speed USB 3.0 Ports(Up to 5Gbps), 2*standard USB 2.0 Ports, SD/TF card reader and type c port (87W PD charging), Make Your Life More Intelligent.❤Please ensure the Laptop has thunderbolt 3 / USB-C 3.1 Gen 2 / USB-C 3.2 Gen 2 to support multiple-display before purchase,NOT for all USB-C port laptop.
  • Visual Triple Display:Usb c docking station to dual HDMI+DP, with three high-definition video output ports, ONLY Windows OS supports triple display, CAN NOT support Mac OS; Under Extended Mode, allow you enjoy 3 multiple display from 2 HDMI output, 1*DP output; for Mirror Mode, our hub support triple display: 1*HDMI output, 1* HDMI+DP.❤Please Note: ONLY Windows system support MST, Mac does not support; HDMI Port 60HZ Only for DP1.4 laptop.
  • Fast Speed & Massive Expansion: This hdmi docking station enlabled 1 USB 3.0 Port up to 5Gbps,2 USB 2. 0 ports provide stable connection without wireless interference; Due to the USB 3. 0 radio frequency interference to the wireless connection, It is advisable to connect your wireless device to the USB 2. 0 ports; SD & TF speeds up to 480Mbps and two cards can be read simultaneously; this USB C adapter provides 1*Type-C pass through Female port by which you could securely charge for laptops.
  • Widely Compatibility: ❤️(Notes:NOT for all USB-C port laptop, HDMI DP function need to confirm that your host device supports video output or DP Alt Mode, such as this adapter CANNOT work with HP Pavilion/HP EliteBook/Lenovo IdeaPad...). This usb c dongle works well with Thunderbolt 3 compatible devices,such as Dell XPS13/15,Samsung Galaxy S9/S9+,MacBook/MacBook Pro2020 2019 2018,MacBook Air2020-2018,iPad Pro 2018 ,etc
  • Plug & Play: Easy to Use,No driver request, just plug and play. This USB C Dual HDMI Adapter is equipped with a safety system that provides surge protection, overload protection and over heat (High temperature) protection. As a new content of powerful USB C docking station.
SaleRank No. #10
USB C to HDMI Adapter, UtechSmart USB C Hub to Dual HDMI, 4 in 1 Thunderbolt 3 to HDMI with 2 HDMI Ports 4K,USB 3.0 Port,Power Delivery Type C Port Compatible for MacBook,Nintendo Switch,USB C Device
  • Brilliant Modular System Design: We offer 1-year defective product refund/replacement and friendly customer service. Utechsmart 4 in 1 USB C adapter is equipped with 4K HDR HDMI and the fastest charging and transferring technology that allow you to connect 2 HDMI (4K resolution) simultaneous, USB C (fast charging) power delivery, USB -A 3. 0 ( fast data transferring). Whenever you need to have a business presentation, a larger screen display or entertainment. Utechsmart always get your back.
  • Innovative Dual Display: UtechSmart 4 in 1 USB C adapter allows you to display the content of your laptop to 2 monitors which maximum output up to 3840*2160@30hz resolution). No matter you are a calling center supervisor, data analyst or office manager that use 2 monitors in work absolutely can boost your working efficiency to an upper level. Attention: it ONLY supports MIRROR MODE on Apple Mac OS system which is limited by Mac itself.
  • Advanced Chip Architectur and Heat Dissipation Design: The new chip of UtechSmart 4 in 1 USB C adapter is not only support laptop and cell phone. Moreover, it supports Nintendo Switch. The Type C cable of adapter has triple shielding protection which provides fast and stable signal transmission. It also ensure dual monitor output without sutck, flicker or distortion. The special heat dissipation design increase the lifetime of adapter.
  • High Speed PD 3. 0 Charging & USB A 3. 0 Data Transmission: The UtechSmart USB C to HDMI adapter supports up to 100W fast charging and up to 5GBP USB A 3. 0 data transmission speed. For protecting user, UtechSmart 4 in 1 USB C adapter is equipped with a safety system which provides surge protection, overload protection and over heat (High temperature) protection.
  • Extensive Compatibility: UtechSmart 4 in 1 USB C adapter is an ideal adapter for Thunderbolt 3 compatible notebooks. For example, MacBook, Apple MacBook Pro 2016/2017/2018, Apple iMac/ iMac Pro, Google Chromebook Pixel, Samsung, Dell, Asus, HP, Lenovo, XPS Samsung S9, S9 Plus, S8, S8 Plus, Note 9, Note 8, Huawei New version phones and many other Type C cell phones and laptops.

How Do You Buy The Best dual monitor adapter of 2021?

Do you get stressed out thinking about shopping for a great dual monitor adapter? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching dual monitor adapter, which is why we have assembled a comprehensive list of the greatest dual monitor adapter available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for dual monitor adapter that you consider buying. Your questions might include the following:

  • Is it worth buying an dual monitor adapter?
  • What benefits are there with buying an dual monitor adapter?
  • What factors deserve consideration when shopping for an effective dual monitor adapter?
  • Why is it crucial to invest in any dual monitor adapter, much less the best one?
  • Which dual monitor adapter are good in the current market?
  • Where can you find information like this about dual monitor adapter?

We’re convinced that you likely have far more questions than just these regarding dual monitor adapter, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for dual monitor adapter, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible dual monitor adapter. Make sure that you are only using trustworthy and credible websites and sources.

We provide an dual monitor adapter buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available dual monitor adapter currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of dual monitor adapter has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an dual monitor adapter?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your dual monitor adapter.
  5. Customer Ratings: Number ratings grade dual monitor adapter objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their dual monitor adapter.
  7. Product Quality: You don’t always get what you pay for with an dual monitor adapter, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an dual monitor adapter is should be an indication of how long it will work out for you.

We always remember that maintaining dual monitor adapter information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding dual monitor adapter is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.