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CPR - Customizable PCI-E Riser for EGPU  

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(@alek_ps)
Active Member
Joined: 11 months ago
Posts: 9
January 12, 2019 3:23 am  

Hello! I would like to briefly talk about my development on the topic of EGPU.


It is a riser. consisting of 3 parts:

- Main board
- Connecting cable (one or several) - microaxial LVDS cable is applied
- Adapter board (now it's PCI-E x4 and M2 key M - but it is possible to make other options: MXM, PCI-E x8 or x16)

Raiser assembled with M2 key M adapter

Connection to PC via PCI-E x8:

Running and testing

Screenshot window with information

Connecting to MSI GE62 6QD laptop through M2 slot (prototype was tested and the adapter was with M + B key, so there are only 2 lines):

Connection

Launch

Screenshot window with information

Testing

Now the riser is used in conjunction with a homemade mini-PC and video card RX 560:

A more detailed article has been published on this project (in Russian) at this link:
https://habr.com/post/435086/

Official project page:
https://vk.com/cpr_project

Schemes and drawings:
https://github.com/kotproger/CPR

After the publication of the article on the portal Habr received a lot of feedback and comments. So in the future I plan to make edits and further develop the project.

If someone wants to support the project, here are my payment details:
- PayPal  https://www.paypal.me/kotproger
- Cryptocurrency wallets:
    BTC 18sfQvQTEyGZyDM5uCbqLje4xzKLsTocC7
    ETH 0xc7db5694ff9228d7315a81cd9d293f2b075ada47
    SIB Si4uF1Y6dBfCkgZ7L4gD5Kt1gpuJy5MfnM

Also I will be glad to your feedback and suggestions!

This topic was modified 2 months ago

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


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nando4
(@nando4)
Noble Member Admin
Joined: 2 years ago
Posts: 1864
January 12, 2019 4:39 am  

@alex_ps, thank you for your topic.  I monitor the M.2 eGPU adapter space for inclusion in the Buyer's Guide.  There is the pricey EXP GDC and ADT adapters we know. Then there are these less known and quite affordable adapters below both with socketted cables, the JEYI being x8 capable.  The freebee01 adapter also using LVDS cables as used to connect LCDs.   Good to know they are x4 3.0 capable.

These are your low cost M.2 NVME slot eGPU adapter competitors available for purchase now:

 

US$30 JEYI Explicit M.2 to PCIe adapter (x8 capable) US$9 freebee01 M.2 to PCIe adapter
   

 

 

There is a product on VK listed by Alexey Pochtaryov for 6000 rubles (~US$90). Is that how much you are looking to sell this for?

US$90 CPR Riser

 

Other eGPU adapter requirements

There is a lack of low cost A+E M.2 and expresscard host adapter ends for use with the US$7 PCE164P-N003.  The latter seeing plenty of users trying it themselves:

https://egpu.io/forums/expresscard-mpcie-m-2-adapters/us7-50-generic-mpcie-egpu-adapter/
https://egpu.io/forums/builds/2012-14-hp-8470p-9600gt4gbps-ec2-7-egpu/

An opportunity to correct it if you are interested.

This post was modified 2 months ago

eGPU Setup 1.35    •    eGPU Port Bandwidth Reference Table    •    Several builds
2018 14" HP Elitebook 840 G5 i5-8350U 16GB 512GB + GTX 1080Ti @ 32Gbps-M2 (ADT R43SG) + Win10


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(@alek_ps)
Active Member
Joined: 11 months ago
Posts: 9
January 12, 2019 7:53 am  

@nando4 
Thanks for your reply. Interesting options for risers!
Yes, the price is faithful. I do not have mass production and a few of these risers. And as you know - a single very expensive production. I am not surprised at the low price of similar risers that are mass-produced in sufficiently large volumes. And the price indicated by me (~ US $ 90) is the actual cost including the various costs (delivery of components, manual soldering services, etc.).
And as you rightly said, there are very cheap connection options if 1 pcie line is used, so there was no point in making such a transition because of the even bigger price difference.

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


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esatamacmodular
(@esatamacmodular)
Estimable Member
Joined: 2 years ago
Posts: 122
January 12, 2019 5:39 pm  

very nice work! appreciate the photos too.

iMac 2013 10.14.1, Macbook Air 2013 10.11, MBP 2016 13" 10.13.6 , HP 4530s 10.11, node lite, DA-2 PSU w/mod, PE4L 2.1b expresscard34, GTX460,1050Ti,1060,1070/Ti RX470,560,580


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(@alek_ps)
Active Member
Joined: 11 months ago
Posts: 9
January 16, 2019 8:06 am  
Posted by: nando4

There is a lack of low cost A+E M.2 and expresscard host adapter ends for use with the US$7 PCE164P-N003.  The latter seeing plenty of users trying it themselves:

https://egpu.io/forums/expresscard-mpcie-m-2-adapters/us7-50-generic-mpcie-egpu-adapter/
https://egpu.io/forums/builds/2012-14-hp-8470p-9600gt4gbps-ec2-7-egpu/

An opportunity to correct it if you are interested.

The ability to make such an adapter is available due to the modular design. But the main price does not change.

For future plans, I would like to try implementing MXM and even Thanderbolt 3 support modules. But the project has so far remained hobby and has not paid for itself (although I got experience in the development and this in itself is valuable).

This post was modified 2 months ago

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


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P4RANOID
(@mr-ribeiro)
Eminent Member
Joined: 1 year ago
Posts: 45
January 16, 2019 5:36 pm  

Internal monitor is playable with M2?

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


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(@alek_ps)
Active Member
Joined: 11 months ago
Posts: 9
January 17, 2019 6:34 am  
Posted by: P4RANOID

Internal monitor is playable with M2?

It depends on the specific system, and not on the riser.

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


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