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NonaHexa

Do DisplayPort (out) to HDMI (in) cables exist?

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Posted · Original PosterOP

I have two monitors that I wish to use, but unfortunately they are HDMI only. My GPU (the EVGA GTX 970 SSC) only has one HDMI port available, and that's being used by my Oculus Rift. My GPU has three full-sized DisplayPort ports on it, so I'd prefer to use them if possible. I have one HDMI to DVI cable, and I can use my DVI port for that, but I will still need one DisplayPort to HDMI (or HDMI to DisplayPort?) cable in order to use both panels.

 

However, upon searching, I am only finding cables that will go from DisplayPort on the display, to HDMI on the GPU, and they are not bi-directional. Any DisplayPort out to HDMI in cables I have found, are either $149+ adapters, or $4 cables from Amazon with 1-2 stars.

 

For reference, these are the panels I will be using:

https://www.amazon.com/Designo-MX279H-1920x1080-Frameless-Monitor/dp/B00B17C5KO/ref=sr_1_1?ie=UTF8&qid=1515791754&sr=8-1&keywords=mx279


CPU: Intel Core i7-5820K - Motherboard: EVGA X99 FTW K - RAM: CORSAIR Vengeance LPX 16GB (4 x 4GB) - GPU: EVGA GTX 970 SuperSC ACX 2.0+
Case: NZXT Phantom 530 - Storage: 2x WD 1TB HDD - 1x 120GB Kingston HyperX 3K SSD - PSU: Corsair RM750 - Cooling: NZXT Kraken x61

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If you can only find $149 adapters you're looking on the wrong websites lol. Should beable to get a decent one for about $10.

 

Also i'm confused what you mean by this part " I am only finding cables that will go from DisplayPort on the display, to HDMI on the GPU"

Just switch which end you plug in and it'll work the other way round.


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Simulation Setup - Logitech G29 Driving Force (no shifter, yet) 

         

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Posted · Original PosterOP
1 minute ago, RKRiley said:

If you can only find $149 adapters you're looking on the wrong websites lol. Should beable to get a decent one for about $10.

 

Also i'm confused what you mean by this part " I am only finding cables that will go from DisplayPort on the display, to HDMI on the GPU"

Just switch which end you plug in and it'll work the other way round.

Even on Monoprice's website, they specify that the cables are not bi-directional and CANNOT be just "switched around." Is this a marketing gimmick? Because I'd rather not spend $20 on cables only for them to not work and be told "oh lol i misread that" when I ask.


CPU: Intel Core i7-5820K - Motherboard: EVGA X99 FTW K - RAM: CORSAIR Vengeance LPX 16GB (4 x 4GB) - GPU: EVGA GTX 970 SuperSC ACX 2.0+
Case: NZXT Phantom 530 - Storage: 2x WD 1TB HDD - 1x 120GB Kingston HyperX 3K SSD - PSU: Corsair RM750 - Cooling: NZXT Kraken x61

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Make sure to tag and/or quote people so they get notified... :P:D 

 

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1 minute ago, NonaHexa said:

Even on Monoprice's website, they specify that the cables are not bi-directional and CANNOT be just "switched around." Is this a marketing gimmick? Because I'd rather not spend $20 on cables only for them to not work and be told "oh lol i misread that" when I ask.

Could you post a link to that one you're looking at?


PC - CPU Ryzen 5 1600 - GPU XFX GTR RX480 8GB- Motherboard Gigabyte GA-AB350 Gaming - RAM 16GB Corsair Vengeance RGB - Storage 525GB Crucial MX300 SSD + 120GB Kingston SSD - PSU Corsair CX750M - Cooling Stock - Case White NZXT S340

Peripherals - Mouse Logitech G502 Proteus Spectrum - Keyboard Logitech G910 Orion Spectrum  Headset Razer Kraken Pro V2's - Displays 2x Acer 24" GF246(1080p, 75hz, Freesync)

Other - Console Xbox 360 (Arcade) - Phone OnePlus 6, 8GB/128GB, Red(Limited Edition) 

Simulation Setup - Logitech G29 Driving Force (no shifter, yet) 

         

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Posted · Original PosterOP
1 minute ago, RKRiley said:

Could you post a link to that one you're looking at?

https://www.amazon.com/Cable-Matters-Gold-Plated-DisplayPort/dp/B004C9P9TM/ref=sr_1_2?ie=UTF8&qid=1515792544&sr=8-2&keywords=displayport+to+hdmi

https://www.amazon.com/AmazonBasics-DisplayPort-HDMI-Cable-Feet/dp/B015OW3M1W/ref=sr_1_3?ie=UTF8&qid=1515792544&sr=8-3&keywords=displayport+to+hdmi

 

Both of these cables:
"Can only convert signal from DisplayPort to HDTV. This is not a bi-directional adapter"

 

I assume this means the DisplayPort signal from the GPU, but of course with English like this, you can't be positive.


CPU: Intel Core i7-5820K - Motherboard: EVGA X99 FTW K - RAM: CORSAIR Vengeance LPX 16GB (4 x 4GB) - GPU: EVGA GTX 970 SuperSC ACX 2.0+
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2 minutes ago, NonaHexa said:

https://www.amazon.com/Cable-Matters-Gold-Plated-DisplayPort/dp/B004C9P9TM/ref=sr_1_2?ie=UTF8&qid=1515792544&sr=8-2&keywords=displayport+to+hdmi

https://www.amazon.com/AmazonBasics-DisplayPort-HDMI-Cable-Feet/dp/B015OW3M1W/ref=sr_1_3?ie=UTF8&qid=1515792544&sr=8-3&keywords=displayport+to+hdmi

 

Both of these cables:
"Can only convert signal from DisplayPort to HDTV. This is not a bi-directional adapter"

 

I assume this means the DisplayPort signal from the GPU, but of course with English like this, you can't be positive.

Honestly I would just say that it's a marketing gimmick as there is no actual conversion going on like in a Analog-Digital cable


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Hmm it appears they're both passive adapters by looking at the reviews (though to be honest, I didn't think passive/active mattered anymore) so that's why they'll be saying it's not bi-directional.

 

As to if it is a gimmick or it wouldn't actually work.. i wouldn't know without actually testing it :P 


PC - CPU Ryzen 5 1600 - GPU XFX GTR RX480 8GB- Motherboard Gigabyte GA-AB350 Gaming - RAM 16GB Corsair Vengeance RGB - Storage 525GB Crucial MX300 SSD + 120GB Kingston SSD - PSU Corsair CX750M - Cooling Stock - Case White NZXT S340

Peripherals - Mouse Logitech G502 Proteus Spectrum - Keyboard Logitech G910 Orion Spectrum  Headset Razer Kraken Pro V2's - Displays 2x Acer 24" GF246(1080p, 75hz, Freesync)

Other - Console Xbox 360 (Arcade) - Phone OnePlus 6, 8GB/128GB, Red(Limited Edition) 

Simulation Setup - Logitech G29 Driving Force (no shifter, yet) 

         

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The DisplayPort LVDS signal protocol is not compatible with DVI or HDMI. However, dual-mode DisplayPorts are designed to transmit a single-link DVI or HDMI TMDSprotocol across the interface through the use of an external passive adapter that enables compatibility mode and converts the signal from 3.3 volts to 5 volts. 


 

 

https://en.wikipedia.org/wiki/DisplayPort

you have most likly a dual-mode on your graka

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