This is the second time that I buy a type c/display port to HDMI 2. The first one was
ULT-WIIQ-US 6.6ft, DP 1.4a to HDMI 2.1. Unfortunately, this cable had audio issues, it stutters every 30 seconds and after 4 days it stopped working on 4k 120hz RGB. I researched a lot on these adapters and I found out that my RTX 2070 support type c video out display port alt mode, so I searched these adapters too. It seems that many of these adapters suffers from overheating, signal loss when switching in and out of HDR. Also, some of them require USB power. It seems the most of these adapters use the same chipset, but, it is the firmware that cause these issues. Then I saw that Cable Matters provide firmware update for some of the display port/type c to HDMI 2.1 that mention many bugs fixes related to issues that I mentioned. I decided to buy the short adapter and buy a hdmi 2.1 cable instead of the cable type, as the adapter is more expensive than the cable and it reduce the chance for it to stop working properly. The longer the cable is, there is a higher chance for failure. As soon I got it I download the latest firmware update from Cable Matters website and saw that the cable is on older firmware, so I update it . It takes very short time, and it works without issues. I can send HDR signal without losing signal, the audio does not have any issues and as I wrote in the title, it works on 4k 120 Hz 12 bit RGB. I will update the review if the adapter will fail.
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This item: Cable Matters 48Gbps USB C to HDMI 2.1 Adapter, Support 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI 2.1, HDMI 2.1 to USB C Adapter, Compatible with iPhone 16/15 - Max Resolution on Mac is 4K@60Hz
$27.99
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$12.99
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+![Cable Matters [Ultra High Speed HDMI Certified] 48Gbps 8K HDMI Cable 6.6 ft / 2m with 8K@60Hz, 4K@240Hz and HDR Support for P](https://images-na.ssl-images-amazon.com/images/I/71sBIvbrk+L._AC_UL116_SR116,116_.jpg)
$9.99
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Climate Pledge FriendlyProducts with trusted sustainability certification(s). Learn morePRODUCT CERTIFICATION (1)
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Product Description
Video Resolution up to 8K
- Transform your USB-C port into a powerhouse with support for 8K@60Hz and 4K@240Hz
- Future proof for the ultimate gaming and video viewing experience.
HDR Support
- Supports 10-bit color depth, increased color space and brightness, and dynamic color mapping
- HDR is not supported on Mac computers
Work - Play - Watch
- Expand your workspace with an ultra-high-resolution display
- Game on with a high refresh rate and tear-free display
- Stream video at 4K and beyond
Premium Construction
- Metal connectors for durability
- Durable strain relief for cable protection
- Braided cable for protection from fraying
- Power LED light
- Aluminum enclosure
Comparison Products
 USB C to 8K HDMI Adapter |  16K USB-C to DP Adapter |  USB C to 8K HDMI with PD |  USB C to 8K HDMI Cable |  Foldable HDMI Adapter |  USB-C Charging Dock |  Foldable USB-C HDMI Hub | |
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Customer Reviews
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664
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182
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370
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215
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35
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151
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Price
| $27.99 | $35.00 | $35.00 | $33.99 | $19.99 | $39.99 | $29.99 |
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Max Resolution
| 8K@60Hz/4K@240Hz | 16K60Hz/8K@240Hz/4K@960Hz | 8K@60Hz/4K@240Hz | 8K@60Hz/4K@240Hz | 8K@60Hz/4K@240Hz | 4K@60Hz | 4K@60Hz |
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PD Charging
| N/A | N/A | 100W | N/A | N/A | 100W | 100W |
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Braided Cable
| ✔ | ✘ | ✔ | ✔ | ✘ | ✘ | ✘ |
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TB4/TB3 Compatible
| ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
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Model Number
| 201388 | 201386 | 201428 | 201362 | 201398 | 201350 | 201378 |
From the brand
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Cable Matters, with headquarters in Southborough, Massachusetts, offers a complete line of cables, adapters, docking stations, and networking products for the home, office, and data center. Cable Matters offers first-class, quality, and affordable products backed by an exceptional customer experience.
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Compare with similar items
This Item  Cable Matters 48Gbps USB C to HDMI 2.1 Adapter, Support 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI 2.1, HDMI 2.1 to USB C Adapter, Compatible with iPhone 16/15 - Max Resolution on Mac is 4K@60Hz | Recommendations  |  |  |  |  | |
| Price | -30% $27.99 List: $39.99 | $19.99 | -17% $19.99 List: $23.99 | $20.99 | $29.95 | $12.99 |
| Delivery | Get it as soon as Thursday, Nov 7 | Get it as soon as Thursday, Nov 7 | Get it as soon as Thursday, Nov 7 | Get it as soon as Thursday, Nov 7 | Get it as soon as Friday, Nov 8 | Get it as soon as Thursday, Nov 7 |
| Customer Ratings | ||||||
| Sold By | Cable Matters | Cable Matters | YooYee | Cable Matters | Plugable Technologies | YooYee |
| connector type | HDMI, USB Type C | HDMI | USB Type C(Male), HDMI(Female) | HDMI, USB Type C | USB Type C, HDMI | USB Type C(Male), HDMI(Female) |
| number of ports | 1 | 1 | 1 | 2 | 1 | 1 |
| current rating | 1.5 amps | 1 amps | 1.5 amps | — | 1.5 amps | 1 amps |
| power plug type | no plug | no plug | — | no plug | — | no plug |
Enables 4k@120Hz on M2 Mac Mini!
I rarely write reviews, but here I got something extraordinary! This little thing just solved a very annoying limitation set by Apple for its M2 Mac Mini (non-pro) that I got. This Mac Mini limits all connected displays to 60Hz, including for 4k. Even if it supports 8k60 which means, it should also support 4k240, but no! Not via HDMI, not via Thunderbolt 4. With this dongle it is doable (see my screenshot). It required special firmware update, but it was pretty easily done, as long as you have spare Windows PC. And after that it makes its magic. Hint: just in case you have to disconnect all displays first and then connect one with 120Hz back, disable HDR, and you should see this option in the settings dropdown.And yes, for non-Mac systems it also works like a charm: I've tried it with my Windows Laptop which was limiting output to 4k60Hz as well, and this dongle enabled 120Hz there right away, without even special firmware. Just make sure you have a HDMI 2.1 (not 2.0!) cable, and HDMI 2.1 input in your monitor.
Top reviews from the United States
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Reviewed in the United States on November 14, 2022
Reviewed in the United States on October 5, 2024
Reviewed in the United States on June 30, 2022
Reviewed in the United States on October 2, 2024
I am running on a PC trying to add a third monitor with this device.
I plugged it in and it does not work.
No installation, no image of any kind on my monitor. I tried two different HDMI cables. It just does nothing but light a blue light on the device.
There are no instructions in the box. Just a note to "Search on the model number". After finding the (unlabeled) model number, a search gave little. The only thing I could find was a way to upgrade the firmware. I tried to upgrade the firmware, but the updater said I have the latest version of the firmware.
I basically have a pointless bit of plastic with a blue light.
The online troubleshooter basically says to check your HDMI cable. Cable Matters should really think about some kind of instructions.
Think twice before you roll the dice with this product.
I plugged it in and it does not work.
No installation, no image of any kind on my monitor. I tried two different HDMI cables. It just does nothing but light a blue light on the device.
There are no instructions in the box. Just a note to "Search on the model number". After finding the (unlabeled) model number, a search gave little. The only thing I could find was a way to upgrade the firmware. I tried to upgrade the firmware, but the updater said I have the latest version of the firmware.
I basically have a pointless bit of plastic with a blue light.
The online troubleshooter basically says to check your HDMI cable. Cable Matters should really think about some kind of instructions.
Think twice before you roll the dice with this product.
Images in this review
Top reviews from other countries
David L.
One cable solution with 4k 120Hz support on M1 Pro Mac (with firmware update)
Reviewed in the United Kingdom on May 21, 2024