Tuesday, June 16th 2020

Club3D Intros DisplayPort to HDMI 4K-120Hz Adapter

Press Release by
btarunr
 Discuss (41 Comments)
Club 3D is proud to open up a new chapter for adapters which convert DisplayPort to HDMI with our brandnew CAC-1085 DisplayPort 1.4 to HDMI 4K120Hz HDR Active Adapter M/F. This adapter uses DisplayPort 1.4 DSC video compression technology to reach the new resolutions/refresh rates. Highly requested by users all around the world and industry leading companies in IT and AV, this new adapter is the perfect solution to bring 4K with astonishing 120Hz to the latest big size TVs and Displays with HDMI 2.1 inputs.

CAC-1085 is following the tradition of Club 3D bringing new technologies to the market at an early stage and set new milestones, like we did with our CAC-1070 (DisplayPort 1.2 to HDMI 4K60Hz Active Adapter M/F) in 2016 and CAC-1080 (DP 1.4 to HDMI 2.0b, adding additional HDR functionality) in 2018.
The first delivery of CAC-1085 is planned to reach our warehouse by end of June. In the week to follow the adapter should be available worldwide.
For more information about the product please read below information, click on the item code link or get in touch with your Club 3D contact to find out the details about pricing and exact availability.

NEW Club 3D DisplayPort 1.4 to HDMI 4K120Hz HDR Active Adapter M/F
The Club 3D CAC-1085 is the perfect solution to connect to any HDMI 4K120Hz ready displays. If you have a DisplayPort 1.4 ready PC or any other device that lacks the new HDMI 4K120Hz specification, the Club3D CAC-1085 will be the simple way to upgrade your device and connect to your new TV.
With its DP1.4 DSC video compression technology, this adapter is able to convert DP1.4 video signals to HDMI 2.1, supporting video display resolutions up to 8K (7680 x 4320)@60Hz and creating life like colors and movements with HDR giving users the ultimate visual experience. The Adapter is powered thru an USB Type C to USB Type A cable (provided with the product).

Features:
  • Compliant with VESA DisplayPort v1.4 Specification
  • Compliant with HDMI v2.1 Specification
  • Support HDCP 1.4 and HDCP2.2
  • Support DSC v1.2a and backward compatible with the former version
  • Support Max. resolution/refresh rates up to 4k@120Hz
  • Support Dynamic HDR
  • Sound Support 5.1-7.1
Applications:
  • For the host device like laptop, desktop, video converter adaptor, docking station, projector, gaming and display system like TV, digital signage, VR/AR system.
  • Perfect for Host Devices which are featured with the DP1.4 graphic card that supports DP video signal output for gaming, commercial applications.
Supported resolutions:
  • Support Max. resolution/timing up to 4k@120Hz
  • OS Support: All
This product is SPECIFICALLY designed to work with the latest Graphics Processing Units (GPU's) which supports DSC 1.2:
At the time of printing, these are the supported GPUs.:
  • AMD NAVI: RX5700, RX5600XT, RX5700XT, RADEON VII, RX5500XT.
  • NVIDIA TURING RTX : TITAN RTX, RTX 2080, RTX 2070, RTX 2060
  • QUADRO : RTX8000, RTX6000, RTX5000, RTX4000, RTX3000 MOBILE
  • Intel Gen11 based: Ice Lake, Iris Plus Graphics, UHD Graphics
For more information, visit the product page.

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41 Comments on Club3D Intros DisplayPort to HDMI 4K-120Hz Adapter

#26
R-T-B
skizzoI'd like to hear more context on this when you have a chance. The specific equipment you used namely the GPU, TV / monitor, the length and type and/or brand of cable(s) for connecting GPU and display

I too have an RX 5700 XT (going by your listed system specs) and would very likely purchase this adapter to go with a new TV purchase like LG's 48" CX OLED which can do 4K 120HZ. As everything being advertised in good faith, on paper that setup should perform just as expected. I noticed they had a mentioning of specific length and type of cable, so it seems important to make sure you are not using a standard HDMI 2.0 (2.0b) cable which wouldn't have the bandwidth required. Makes total sense to me of course. Also it seems many TV's are finicky with needing a specific "mode" enabled to ensure some or all of their inputs are able to accept the full bandwidth they are advertised at. Just some two cents stuff there, but I know it's basic stuff that most all ready know.
I used an LG B9, and a club3D 2m hdmi 2.1 cable as advised by them. No other inbetweens or added cabling. Using PC-mode on input 4 (others were tried too).

Furthermore, it works with a GTX 1060. Sadly, the issue is in AMDs drivers at this time.

I want to do a full writeup still but am waiting in hope AMD responds to my bug report.
Posted on Reply
#27
Valantar
R-T-BI used an LG B9, and a club3D 2m hdmi 2.1 cable as advised by them. No other inbetweens or added cabling. Using PC-mode on input 4 (others were tried too).

Furthermore, it works with a GTX 1060. Sadly, the issue is in AMDs drivers at this time.

I want to do a full writeup still but am waiting in hope AMD responds to my bug report.
What were you trying to test with the AMD GPU? Just UHD120Hz support, or VRR and other features? LG has been quite explicit in saying those TVs support only G-sync (i.e. they don't conform to FreeSync over HDMI requirements), so I would assume this applies even to an AMD GPU using a 2.1 adapter. That raises an interesting question though: is it at all possible for an adapter like this to adapt VESA DP VRR to HDMI 2.1 VRR? Or would the GPU need to support this natively regardless of the adapter?
Posted on Reply
#28
R-T-B
ValantarWhat were you trying to test with the AMD GPU? Just UHD120Hz support, or VRR and other features? LG has been quite explicit in saying those TVs support only G-sync (i.e. they don't conform to FreeSync over HDMI requirements), so I would assume this applies even to an AMD GPU using a 2.1 adapter. That raises an interesting question though: is it at all possible for an adapter like this to adapt VESA DP VRR to HDMI 2.1 VRR? Or would the GPU need to support this natively regardless of the adapter?
I can make freesync work on HDMI 2.0, but no, never even got to testing it on the AMD card. It just won't show the resolutions in the EDID. Nothing over 4K 60hz.

And gsync fails on the nvidia side even if forced with CRU, so I would not get my hopes up.
Posted on Reply
#29
Gaby_64@live.ca
R-T-BI used an LG B9, and a club3D 2m hdmi 2.1 cable as advised by them. No other inbetweens or added cabling. Using PC-mode on input 4 (others were tried too).

Furthermore, it works with a GTX 1060. Sadly, the issue is in AMDs drivers at this time.

I want to do a full writeup still but am waiting in hope AMD responds to my bug report.
how about now?
Posted on Reply
#30
R-T-B
Gaby_64@live.cahow about now?
Never heard back. Am on the Radeon 20.5.1 drivers as of now with hardware scheduling. Is there something that's changed that's worth investigating? Because as of 20.7.1 or something the bug was still there. Never tried anything later.

I didn't even bother with the full review out of sheer dissapointment, frankly. (with AMD more than Club3d)

EDIT: Just tested 20.8.3. Still unable to use the adapter above 4k@60hz. Useless.
Posted on Reply
#31
Gaby_64@live.ca
I have one on the way, I will be testing with a Radeon VII and an LG C9 65"
Posted on Reply
#32
sector-z
Can you guy please post a update ? It worked with a AMD or not ?
Posted on Reply
#33
R-T-B
sector-zCan you guy please post a update ? It worked with a AMD or not ?
Sorry, never got it working on AMD. Only briefly on nvidia. Adapter in general is real hit and miss support wise from gpu vendors.
Posted on Reply
#34
sector-z
Ok . Do you think it will work if it only for the sound ? Exemple 6900 XT Displayport with Club3D adapter to HDMI sound bar ?
Posted on Reply
#35
Valantar
sector-zOk . Do you think it will work if it only for the sound ? Exemple 6900 XT Displayport with Club3D adapter to HDMI sound bar ?
Why not just use the native HDMI 2.1 port on the 6900 XT?
Posted on Reply
#36
sector-z
ValantarWhy not just use the native HDMI 2.1 port on the 6900 XT?
Because the port is used for a LG C1 Oled. The Computer cannot see the Bar excepted in Stereo connected by EARC to the TV. So I need to connect the soundbar Direct at the computer for DolbyAtmos ect
Posted on Reply
#37
Valantar
sector-zBecause the port is used for a LG C1 Oled. The Computer cannot see the Bar excepted in Stereo connected by EARC to the TV. So I need to connect the soundbar Direct at the computer for DolbyAtmos ect
Then you shouldn't need a HDMI 2.1 adapter for that, most likely any passive DP to HDMI adapter will work fine.
Posted on Reply
#38
sector-z
ValantarThen you shouldn't need a HDMI 2.1 adapter for that, most likely any passive DP to HDMI adapter will work fine.
Ok I wanted to go with the best and a Active cable, for not having problem or lag ect. You have already try 1 cable for display and anothers for the sound from the video card ?
Posted on Reply
#39
Valantar
sector-zOk I wanted to go with the best and a Active cable, for not having problem or lag ect. You have already try 1 cable for display and anothers for the sound from the video card ?
"Best" is a rather strange way of putting this - an active cable can do more complex signal conversions than a passive cable, but it isn't "better", it's just a different thing. Unless you need HDMI 2.1-specific features, any passive 2.0 adapter will work just fine. Many devices support eARC on HDMI 2.0 devices despite it being introduced with 2.1. And passive cables literally can't introduce lag into the display chain, as they don't process the signal. Active cables shouldn't either, but theoretically they can.

I haven't used a setup like that with high bandwidth cabling, but as long as the system recognizes the second cable as an audio output it shouldn't cause problems (barring any shenanigans from device makers, of course).
Posted on Reply
#40
sector-z
Valantarbut as long as the system recognizes the second cable as an audio output it shouldn't cause problems (barring any shenanigans from device makers, of course).
Yes that why I ask because I don't know if it possible, I never see that on internet
Posted on Reply
#41
Valantar
sector-zYes that why I ask because I don't know if it possible, I never see that on internet
It's not really the type of thing people post about - if it works, it's the most obvious thing ever, after all. Just plug in the cables and off you go. If it doesn't work, it doesn't work, and you look elsewhere.


Edit: looking around a bit, it seems like passive adapters top out at HDMI 1.4 - but they are also dirt cheap. If I were you, I would get one of those and try it. Worst case scenario you're out something like $10, though you might even be able to return it if it doesn't work, depending on where you buy it from and where you live.
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