Magewell USB Capture HDMI 4K Plus

Works great but how can the manufacturers justify such a high price?

Whilst the video capture works fine, if you care about the audio and want it in sync with your video then this product is not going to meet your needs. Under both Windows and Linux, ffmpeg or OBS Studio, the AV sync is inconsistent at the start of capture, and then continually shifting during capture. Competitor products like the BlackMagic UltraStudio are much better for AV sync. Returned.

I tried a bunch of these devices, including ones with similar specifications at a lower price. All had issues except this one, which worked like a charm and has excellent online support. Highly recommended.

I'm running Fedora 29 on a Ryzen 7 with an ATI Vega 64. Because Wayland's video screen capture abilities are terrible, I wanted to capture the HDMI output of my computer and feed it back the USB port for screen recording. This device worked flawlessly right out of the box. I knew that USB had bandwidth limitations, so while my screen is 4K, I told obs (Open Broadcaster Software) to use V4L and the device showed up immediately with no fiddling required. All the different capture modes showed up as well in the resolution selection. So I was able to get 1080p at 30fps with full color and it just worked. Few hardware manufacturers are willing to put in the attention to detail in their software so that specialized driver tweaks are not needed to account for ways in which their specific piece of hardware fails to follow standards specifications. Magewell deserves huge props for not being a manufacturer who is willing to do the work. This is how all hardware should be.

Works like a charm (I'm hooking up a Canon XC15 to a Macbook Pro Touch). It's literally just plug and play. One side plugs into the camera's HDMI output, the other into the computer (through an Apple USB-C to USB-A adapter). You could probably eliminate the adapter with a USB-A to USB-C cable. Shows up as a webcam to the apps running on the mac. On the down side :(1) There's a fan (the circle with the Magewell logo on it is the fan vent). It's noisy enough that I can hear it. I put the thing in a box, but I'd much rather have a humongo heat sink and no fan. (2) There's a noticeable lag between real time and the output. I run my sound through the camera, so there's no audio/video synchronization problems, but this could be problematic if you were matching sound from the computer with the video. I ran their app and set the output resolution to 720P (the input from the camera is 4K), and that's helped a little, but hasn't eliminated the problem.

Bought this to be able to have a computer (Mac or PC) be able to connect directly to the Zoom Room via a HDMI cable. This box converts HDMI input to USB to go into the Zoom Room PC. Works fantastic. Zoom Room recognizes it as a computer and it could deal with screen resolutions. Expensive but recommend.

Magewell claims to be capable of ingesting 4k/60p video at the highest quality possible but the resulting video comes through choppy and skipping frames. I guess that's a little redundant. Part of this is due to the limitations of USB 3 and you can find plenty of videos pointing this out on YouTube. At the end of the day, you are better off switching your camera to 1080/60p and using a far more capable device like a BlackMagic Design ATEM Mini/Mini Pro (for a little more money yes, but you get so much more). If you really must have 4k/60p you need to go with an internal card such as what Elgato offers, which of course limits you to PCs only but that's not necessarily a bad thing or a shortcoming depending on the platform you prefer.