Easiest way to drive LG UltraFine 4K Monitor with eGPU
 
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Easiest way to drive LG UltraFine 4K Monitor with eGPU  

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joevt
(@joevt)
Noble Member
Joined: 2 years ago
 

@chrigo

There are some Thunderbolt docks with a USB-C with DisplayPort alt mode output. The HP Thunderbolt Dock G2, for example, will let you connect one display to the USB-C port with DisplayPort alt mode output, and other display to the Thunderbolt port. The dock will be useful only if it's connected to the Blackmagic eGPU. Otherwise the displays will be powered by the internal GPU of the MacBook Pro.

 

 

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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chrigo
(@chrigo)
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Joined: 1 month ago
 
Posted by: @joevt

@chrigo

There are some Thunderbolt docks with a USB-C with DisplayPort alt mode output. The HP Thunderbolt Dock G2, for example, will let you connect one display to the USB-C port with DisplayPort alt mode output, and other display to the Thunderbolt port. The dock will be useful only if it's connected to the Blackmagic eGPU. Otherwise the displays will be powered by the internal GPU of the MacBook Pro.

 

 

Is the Thunderbolt port on that dock also capable of DisplayPort alt mode? My 4k Ultrafines are the 'old' ones with USB-C only. 

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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joevt
(@joevt)
Noble Member
Joined: 2 years ago
 

@chrigo

Yes, same as the Thunderbolt port of your MacBook Pro. It's the same for every Thunderbolt port.

Mac mini (2018), Mac Pro (Early 2008), MacBook Pro (Retina, 15-inch, Mid 2015), GA-Z170X-Gaming 7, Sapphire Pulse Radeon RX 580 8GB GDDR5, Sonnet Echo Express III-D, Trebleet Thunderbolt 3 to NVMe M.2 case


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Rukuru
(@rukuru)
New Member
Joined: 1 month ago
 
Posted by: @itsage

How is the Huawei VR 2 cable working for those who have been using one? Mine died today after less than two months of periodic testing. Due to the ASUS USB-C MB16AC portable monitor needing bus power, I always had to connect the USB-A piece to one of the USB ports on the host computer. It did not work when connected through the Thunderbolt 3 enclosure's expansion USB ports (tested with Mantiz Venus and Razer Core V2).

Today I tried with an ASUS USB-C MB16AP portable monitor which has a built-in battery. It came with an external power adapter (5V ~ 2A). I decided to connect the Huawei VR 2 USB-A to the ASUS power adapter and that worked right away. After this test however this cable no longer seems to work. I have tried with different computers and configurations. I also used a Pluggable USB-C power meter to see if there's any bus power through the Huawei VR 2 USB-C end. Unfortunately it showed nothing. My guess is the ASUS 10W power adapter burnt something inside this VR 2 cable.

I'm going to try Wacom Link Plus (ACK42819) adapter next. It's currently down to $62 on Amazon. Hopefully it can withstand more abuses than the Huawei VR 2 cable.

@itsage Could you please share your experince with the Wacom Link adapter?  Did it work? Can you make a quick comparison with Huawei VR 2 cable?

thank you in advance

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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itsage
(@itsage)
Illustrious Member Admin
Joined: 3 years ago
 

@rukuru Unfortunately I have not had the chance to test this idea. Will definitely report my experience once I get it.

 

external graphics card builds
best laptops for external GPU
eGPU enclosure buyer's guide


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melmeiro
(@melmeiro)
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Joined: 1 month ago
 

Since I have purchased LG’s 24 inch Ultrafine monitor, I have spent hours for searching a proper methodology to use it with both a desktop pc and eGPU setup. After concluding the fact that Huawei’s VR 2 Cable offers one of the very few feasible solutions, I have ordered the cable very recently. I also purchased a Deluck DisplayPort Female to Usb Type-C Male adapter as well as a proper display port cable to have all the possible solutions. But I must say that this endeavor has far exceeded my expectations and became perhaps the most difficult I/O challenge I have ever needed to deal with. And yet, perhaps I might need a desktop PC that had a Titan Bridge Thubderbolt 3 expansion card to fully utilize the monitor’s capacity. For now, I have a MacBook Pro 15 inch so I am very happy with what I have got from the monitor. But this should have never been that difficult at the first place. But I must say that this place became like my sanctuary. So thanks for all your contributions. 

This post was modified 1 month ago

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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