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🚀 Double your screens, double your impact — work smarter, not harder!
The StarTech USB-A 3.0 to Dual HDMI Adapter transforms a single USB port into two HDMI outputs, supporting one 4K 30Hz and one 1080p 60Hz display. Designed exclusively for Windows platforms, it enhances productivity by enabling extended or mirrored multi-monitor setups with plug-and-play ease. Built for professionals, it offers reliable performance, a 3-year warranty, and lifetime technical support.



















| ASIN | B0725K1MHH |
| Best Sellers Rank | #1 in USB-to-VGA Adapters |
| Brand | StarTech.com |
| Built-In Media | USB video adapter (1)^quick-start guide (1) |
| Color | Black |
| Compatible Devices | Windows 10, Windows 11, Windows 7, Windows 8/8.1 |
| Connector Type | HDMI, USB Type A |
| Current Rating | 1 Amps |
| Customer Reviews | 4.5 out of 5 stars 9,489 Reviews |
| Finish | Matte |
| Global Trade Identification Number | 00065030868952 |
| Input Voltage | 5 Volts |
| Item Dimensions | 12.4 x 2.6 x 0.6 inches |
| Item Type Name | A/V Adapter |
| Item Weight | 0.06 Kilograms |
| Item dimensions L x W x H | 12.4 x 2.6 x 0.6 inches |
| Manufacturer | StarTech.com |
| Mfr Part Number | USB32HD2 |
| Model Number | USB32HD2 |
| Nominal Power | 5 Watts |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | Personal and business productivity |
| UPC | 065030868952 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 Year |
| Warranty Type | Limited |
N**A
The Best and No Hassle!! Plug and Go!!
I noticed many reviews on here showed everyone using laptops and how they had to download a program. I didn’t have to download anything. Works perfectly on my PC and I have Windows 11. If you look at my pictures I’m using it on the right monitor. I was so happy it worked. Awesome product! Literally a plug and go. 10/10!
T**E
Best adapter ever!
This is exactly what I needed! I was hesitant, but bought it anyway. Boy; am I glad I did! I needed to use two monitors on my laptop that wasn't just an extended screen. This works far beyond my expectations and I couldn't be more grateful to have found this product. If you need a converter; this is IT! I would definitely buy this over and over again if I had the need. The adapter works with my laptop and both monitors I have plugged into it, it has held up to plugging and unplugging my monitors several times throughout the week as I use the monitors on my work laptop and my personal laptop, so they are being switch frequently. They always connect easily and work very well. If you need to use dual monitors and need to use a USB port instead of an HDMI; this is your winner here!
P**.
Works great, no setup. Plug n play.
Worked flawlessly. Plugged in two monitors with HDMI cords to one USB-A ports on my laptop and both monitors work independently alond with my laptop screen. I now have 3 independent screens on my Windows 10 laptop.
K**M
Works fine.
It is as simple as plug and play. I use it every day on my laptop to feed a piggybacked dual display, which leaves the laptop HDMI free to mount another monitor. So I have four screens on my laptop. Video share is fine, with no visual artefacts. Cables are high quality and new in package.
G**T
Enhanced Multitasking with StarTech.com USB 3.0 to Dual HDMI Adapter
The StarTech.com USB 3.0 to Dual HDMI Adapter has proven to be a valuable addition to my workspace, offering an excellent solution for connecting additional screens to both desktops and laptops. As a versatile USB adapter, it has enhanced my multitasking capabilities, allowing me to set up multiple monitors or TVs effortlessly. The installation process was a breeze, and it worked seamlessly with various workstations at my workplace. With this adapter, I was able to create powerful workstations with up to four monitors or TVs, making it a valuable tool for productivity-oriented tasks and creative endeavors. The adapter's performance has been outstanding, providing smooth and reliable connectivity for all connected displays. The USB 3.0 technology ensures high-speed data transmission, resulting in a lag-free experience even when multitasking across multiple screens simultaneously. One minor drawback is the price point of the product, which might be considered a bit steep for some. However, considering its reliability and the enhanced productivity it brings, I find it to be a worthwhile investment. Overall, the StarTech.com USB 3.0 to Dual HDMI Adapter is a fantastic product that I wholeheartedly recommend to anyone in need of expanding their screen real estate for work or entertainment purposes. Its seamless setup and reliable performance make it an excellent choice for professionals who require a highly efficient workspace. Whether you're a power user or a creative professional, this USB adapter will undoubtedly enhance your productivity and improve your overall workflow. Disclosure: I received no incentive or compensation for this review. This review represents my honest and unbiased opinion based on my personal experience with the product.
R**O
Easy to set up
Works great!
L**T
Awesome
Works great. All I had to do to do is connect to monitor and computer.
M**N
Really worth setting it up correctly in display settings
I love the extra screens. I am using this dual card in addition to a single card startech that I purchased last year on a usb3 hub to allow for 4 large screens and the laptop screen, which I rarely use. All ports are HDMI in this install. The important thing to do it configure the monitors, in display settings, so that the same monitor is always checked as the "main display" and all monitors are in the same position under all scenarios of activity - no matter how the monitors decide to fire and in what order. I am using a laptop that has a built in HDMI port, so I made this connection my main display for all cases. First, only hook up the main display. In display settings, check the 2 monitor as the main display. Then add one of the startech adapters and configure it as if it is a partial install and make sure all of the monitors are in the same location you would expect and make #2 the main display again. Now unhook it and do the same with the other startech. Then make sure with all of your startechs loaded, the same location for each monitor is there and #2 is the main display. This fixed all my issues.. since the monitor may flake out for a second every once in a while or when the usb cable is moved, but since everything is in the same place under all conditions, it comes right back and does not freeze. I also have all the monitors powered into one power strip under the monitors and I cut the power to them when I am done for the day and leave the laptop in full power mode (no sleep) on all the time. You also want to make sure you have the latest driver update and that all of your startechs are running the same driver by updating them in Device Manager/Display adapters - right click on the adapter and choose Update Driver software. My old startech is called Trigger 6 and the new one is called MCT USB3.0. They both are running the same driver and work well together.
M**N
Wonderful product that allows working on two screens.
Fabulous! Absolutely wonderful product. Thanks to this device, I can now work on two screen simultaneously. Or watch a movie on one screen, and do some online shopping on the other. Or have two different worksheet open at the same time. Highly recommended.
N**P
This HDMI adapter works right out of the box! Very happy!
There is no “risky software” installation required.
V**N
fantastic solution for setting up a dual-monitor display
The StarTech.com USB 3.0 to Dual HDMI Adapter (USB32HD2) is a fantastic solution for setting up a dual-monitor display. It works fine right out of the box, making it super easy to connect your USB Type-A port to two HDMI monitors. The setup process is straightforward, and the adapter supports one 4K monitor at 30Hz and another at 1080p, which is perfect for multitasking or extending your workspace. The image quality is great, with crisp visuals and no noticeable lag, even when streaming videos or running graphics-heavy applications. I’ve been pretty happy with its performance so far. The build quality is solid, and the device feels durable. It’s a great choice for anyone using Windows and looking for an easy way to add multiple displays to their setup. Whether for work or entertainment, this adapter delivers excellent performance, and the seamless USB-to-HDMI connection makes it a reliable and worthwhile investment.
S**N
Dual monitor solution
After getting the run around from tech's at my local computer store and still not being able to get dual monitors to work I thought i would try this as a last resort (my laptop does not support dual monitors using the C Port). The dual HDMI adaptor literally took 2 minutes to set up: plugged the monitors in, plugged it into the USB, the drivers downloaded automatically and voila - 2 monitors that work!!!! I even have it plugged into my USB hub and it works great with no issues. The mouse and keyboard were very laggy at first but all I had to do was restart my laptop and have not had any issues with monitor picture quality, lagging, flashing etc. Absolutely perfect!
J**O
Solution performante pour accroître le nombre d'affichages sur un ordinateur, avec support 4K
En mai de l'an dernier j'avais acheté une carte graphique externe Full HD (= 1920 x 1200) sur port USB 3.0, de marque Startech (modèle USB32HDEH, toujours disponible : https://www.amazon.fr/gp/product/B00C2AS5C6/ref=ppx_yo_dt_b_asin_title_o05_s00), dont je suis pleinement satisfait (voir le commentaire que j'avais posté à son sujet). En janvier de cette année, je décrouvrais que Startech proposait un autre modèle de carte graphique externe, présentant quant à lui deux sorties HDMI : une en Full HD, et l'autre en 4K (aux dépens du renvoi de port USB présent sur l'autre carte et abandonné ici faute de place dans le boîtier resté de taille identique). J'ai donc eu la curiosité d'acheter ce second modèle, dont je vais ici faire le commentaire. La première bonne nouvelle, c'est que cette seconde carte partage le même pilote (Trigger 6 External Graphics, en version plus récente) que la première carte achetée. Ainsi les fichiers du pilote existant ont été mis à jour sur mon PC, et les deux cartes (que j'ai volontairement gardées toutes les deux branchées, dans un premier temps) fonctionnent à la perfection avec ce pilote partagé. Cette nouvelle carte graphique externe a été branchée sur un hub USB 3.1 7 ports alimenté, côtoyant la carte graphique précédemment achetée, et quelques disques durs. Les différents affichages dès lors disponibles sont les sorties HDMI/DVI de ma carte graphique interne envoyée(s) vers une TV Full HD, l'unique sortie HDMI de la première carte Startech, et les deux sorties HDMI Full HD+4K de la seconde carte Startech. Pour ces deux cartes externes, j'ai branché alternativement un écran de bureau Full HD à l'une puis à l'autre des eGPU, sur le port Full HD correspondant. Pour le port 4K de la deuxième carte, j'ai branché ce dernier sur un petit écran portable 4K d'appoint. Soient 3 terminaux d'affichage distincts : deux en Full HD et un en 4K. J'ai travaillé en mode Extension d'affichage sur les 3 dispositifs, et j'ai volontairement lancé 1 vidéo distincte par terminal d'affichage connecté. J'ai aussi adopté des résolutions d'affichage différentes entre les 3 dispositifs : en l'occurrence la résolution maximale proposée individuellement pour chaque affichage. Et le constat a été intéressant : Pour les deux dispositifs d'affichage raccordés respectivement à ma carte graphique interne et la première carte Startech, mon PC me propose de manière logique 1920 x 1080 comme résolution d'affichage maximale, vu que ces équipements ne savent de toute façon pas aller au-delà. Pour l'écran portable raccordé au port 4K de la deuxième carte Startech, mon PC ne me propose pas 3840 x 2160 comme résolution d'affichage maximale, mais 2560 x 1600, ou sinon 2560 x 1440 (pour conserver un ratio de 66% pour LxH). Et pour cause, ma carte graphique interne (vieille d'une petite dizaine d'années) vient en l'occurrence constituer le goulet d'étranglement : il y a une dépendance entre les cartes graphiques externes et la carte graphique principale. Ainsi quand je lis une vidéo 4K envoyée sur un écran 4K via le port 4K de la carte Startech, j'ai une résolution égale aux deux tiers seulement de ce dont est capable la 4K. Mais donc, j'arrive tout à fait lire un BD UHD (ayant le lecteur adéquat raccordé au PC : TechPulse120 externe) sur chacun des 3 affichages, avec une résolution adaptée (pas d'écran noir ou autre affichage interdisant la lecture du média sous prétexte d'un dispositif d'affichage non compatible). La résolution 2560 x 1600 est en l'occurrence celle qui m'a garanti un rendu parfait et sans accros d'aucune sorte de ma vidéo 4K, à l'inverse de 2560 x 1440. La lecture simultanée de 3 vidéos distinctes par affichage se fait sans heurts : vidéo et audio impeccables. Il faut tout de même noter que la carte graphique interne devient alors fortement éprouvée, avec un taux d'utilisation GPU oscillant entre 75% et 90 et quelques %. La mémoire de la carte graphique plafonne également à un bon giga-octet. Le CPU est quant à lui fort peu sollicité, du moins compte tenu de sa puissance (voir ce que j'avais déjà écrit à ce sujet pour la première carte Startech achetée). Même avec une utilisation intensive Full HD et 4K simultanés des deux ports de la carte externe, cette dernière chauffe très peu (à l'inverse de la première carte achetée), ce qui est un excellent point. Une dernière observation, qui est logique même si elle peut ne pas paraître évidente de prime abord : L'application - si on l'a installée - qui accompagne le pilote de la carte graphique interne, et qui nous permet de définir des profils d'affichage où on calibre par exemple les couleurs / la saturation / le contraste etc n'a aucun effet sur les affichages en sortie des cartes graphiques externes. Donc si par exemple on estime que l'image sur, admettons, l'écran portable raccordé au port 4K de la Startech présente une dominante jaune et trop de contraste, on ne pourra espérer corriger ce ressenti qu'en faisant usage de la télécommande ou des boutons physiques de l'écran. En résumé, un très bon produit que cette carte graphique externe, pour un prix de plus très accessible. Un must-have, en particulier si on a toute une chaîne 4K d'équipements.
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