BENFEI 4K DisplayPort to HDMI Adapter, Uni-Directional DP 1.2 Computer to HDMI 1.4 Screen Gold-Plated DP Display Port to HDMI Adapter (Male to Female) Compatible with Lenovo Dell HP and Other Passive

I’ve bought my fair share of cheap DisplayPort-to-HDMI adapters over the years, and most of them have been disappointing: flickering at 4K, random signal drops, cheap plastic that feels like it’ll snap the first time you look at it funny, or worst of all – they just don’t work with certain GPUs despite claiming “broad compatibility.” This BENFEI adapter is legitimately the first one that has worked 100% flawlessly from the moment I plugged it in, and continues to do so 9 months later with daily use. It was literally plug-and-play. Windows detected the display instantly, no black screens, no “signal lost” nonsense, no flickering, no color banding. Audio passes through perfectly (bitstream Dolby Digital/DTS to my receiver when I route it that way). Zero issues. Never once had a handshake issue. Highly recommended. BENFEI has earned a permanent spot in my “buy again without thinking” list.

The review: The adapter seems to be made well. It was in a plastic bag rather than a box, but it did have a protective cap on the male DisplayPort end, and a plastic wrap on the housing of the HDMI end. It plugged in solidly, and I tested the release with no issues. I wonder if some of the people who had issues with it breaking off when trying to remove didn't realize that DP has an active retention mechanism that has to be depressed to remove. Seamlessly transferred both video to my TV and audio to my surround sound, as expected (or at least hoped). I always like to put my personal experience in my reviews too because I search questions and reviews for information, so I feel like this can help others: Active versus passive adapters: I'm using a Lenovo M83 Tiny PC as my home theater PC, which has a DisplayPort++ output. As others have stated, this is a passive adapter and MAY not work with your output unless it is labeled DP++. The DP++ stands for "DisplayPort Dual-Mode", and simply means that the port automatically recognizes if an HDMI or DVI adapter is attached, and sends the appropriate signals rather than the DP signals. Now it is important to realize that most modern DP ports are dual mode, whether the DP++ logo is present or not. As such, you should do the research before hand to find out if your device has a dual mode port, or risk finding out the hard way. Audio through adapter: My primary concern with this adapter was whether or not it would carry audio from the DP to the HDMI cable going into my surround sound receiver. To clarify, my setup is, PC Display Port > this adapter > HDMI cable > Receiver > HDMI cable > TV. When I initially booted the computer (first boot after installing Windows 10 Pro), Windows immediately displayed video on my TV, however no sound was playing on the surround sound speakers (I was clicking the Windows volume slider and listening for the "ding"). Through Control Panel (not the garbage Windows 10 Settings app, what was wrong with the Control Panel, Microsoft?!), I went into the Sounds options. Under playback devices, there was only one item listed, "Speakers". However, almost immediately while I was in the sound options, another device showed up with the name being the model number of my receiver. Windows automatically set it as the default device. I went ahead and disabled the other "Speakers" device just to be safe. After rebooting, all settings remained and sound continued to work properly. If you are using a surround sound receiver, you should also click on the playback device and select Configure. In here, I was able to specify that I have 5.1 surround, but there were also other options such as stereo and 7.1, so make sure you pick the right one. If you are running this directly into a TV, stereo is the default setting, which is what you want. It does send a test sound to each speaker individually, so I was able to verify that the 5.1 signal was actually making it through the adapter. Now whether this is an uncompressed PCM signal or some sort of compressed audio stream is yet to be determined; but this may depend on the source media/application that is providing the audio. Edit from future me: This does support 4K as well. I saw somebody else say it doesn't, but they must be having issues with other parts of their system (source, or receiver not supporting 4K passthrough, etc.). I have slightly changed my setup listed above, and am now running the HDMI cable directly to the TV. I upgraded to a 4K TV, but my receiver does not have 4K passthrough, so I had to bypass it. Now the HDMI cable plugged into this adapter runs to the TV, carrying both video and audio to the TV. TV is receiving 4K from the PC, no problem. I can listen to the sound through the TV speakers, but I don't as I am using a TOSLINK cable to carry the sound back to the receiver. I need to upgrade my receiver to one with 4K passthrough and audio return channel to simplify my life but that costs money and would only potentially reduce the number of cables I need by one. However, I already have to return audio from the TV to the receiver via TOSLINK because I want the TV app audio to come through my surround sound speakers too, so in the end it's all the same.

My new computer had Display Ports for connection to a monitor. I used my Television as the monitor to make a HTPC solution. As you may be or not be aware. Display Ports are commonly used with monitors as apposed to TV's that typically like to used HDMI. Thus I needed an adapter to convert signals from Display Ports to HDMI Interfaces. This product worked flawlessly. The quality was excellent. This is a short cable which made a simple connection to the PC as I already had an HDMI at the location where the PC was to be located. This was perfect! I highly recommend this product for this purpose. Hookup done in seconds.

I bought a "new" (new to me) HP Z2 workstation on eBay for $180 bucks. But, when I received it there were no display ports (at least none I recognized) and thought they had removed the graphics card. Doing homework on the expansion slots I happened to see an image of the back of the PC and lo' and behold there were two built-in DisplayPort ports. A quick search of Amazon and I found the BENFEI adapter needed to connect to my ancient (but still working just fine) Asus monitor. It worked perfectly from the moment I plugged it in. Thank you, BENFEI.

I got an HP Elitedesk 800 G5 mini computer and, I don't know why, it uses DP (lots of them) not HDMI - which I always thought of as more "mainstream". Anyhow, I needed to run an HDMI monitor so this was the trick. It appears to work just fine and it DOES pass audio on to the HDMI as well as video (if that matters to you - it did to me). As of 4/15/24 - suddenly this thing just stopped working entirely. 15 months (note that the warranty is 18 months) of very sporadic but OK use until today! At first all I got was a black screen and the TV reporting the signal as 1024x768. But a few hours later of testing and the TV is not getting any signal AT ALL. I have tested everything else (source computer, TV's HDMI inputs, HDMI cables) and they all work fine. The ONLY thing that is in common is this adapter. It must be fried or something. I just sent a message via Amazon to the seller/maker reporting this. As of 4/18/24 - I am back baby! Despite my earlier pessimism, the message I sent via Amazon got a fast, pleasant, and helpful response from Mike. He rushed out a replacement and it works! We have to expect a certain number of failures with inexpensive devices like this. So it is nice to have solid customer support when that does happen. Thanks!

Works as intended, good price value :)

They work great. Good value for the money.

Solved my problem. Great stuff. Trustworthy. Would last long.

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Having used KVM switches for many years I have to say that thus far this unit has performed above expectations. It works happily with a wireless keyboard and mouse, the information lights on the front are very helpful, the scroll lock fast switching is very positive, and the display emulation so far has worked fine (which it didn't on my previous KVM switch) . The only minor gripe is that, as others have pointed out, it only comes with two cables. They are of adequate length, but could be longer. On the plus side you can get your own length cables separately (it uses standard HDMI and USB cables) and relatively cheaply. You just need to factor that into you budget.

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