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Thank you for your messages, and sorry pals, I was not paying attention to this forum. This setup has been super stable. In fact, I have even increased the Ram to 16 GB, and then upgraded the eGPU to an EVGA GTX 950 SC+ without any problem and having the same benefits. This laptop has seen a good amount of gaming (just DOOM and The sims 3) with PCI 2.0 enabled and everything rock solid! Right now I cannot perform any test, I have sold the GPUs, but should get an upgrade in two days. Now to answer your questions. Actually, I did not test the compression. I was just amazed I was able to use the eGPU to drive the internal LCD without doing anything special. I did not use any extra software. Everything was plug and play. Good luck with your setup! By the way, I was an Arch user 4 years ago. Sweet distro. About the bumblebee, no I did not need it. The nVidia Drivers handle all the work by themselves. The "Nvidia X server settings" lets you select the card you want to use. Then just a quick log out and log in and you are running the selected card. One thing to notice here. If you select "NVIDIA (Performance Mode)" the laptop panel is driven or accelerated by the eGPU, you can plug an external panel if you want, both are accelerated. If you select "Intel (Power Saving Mode)" the eGPU gets disabled as if no eGPU was installed, even the drivers seem as if they were not installed. So if you intend to completely dedicate the eGPU for CUDA/OPENCL computing, this is the procedure I follow: Select "NVIDIA (Performance Mode)" Edit your "xorg.conf" to switch the "active" screen from "Nvidia" to "intel" Log out and Log in again. This is the only way I have found to free the eGPU from being "distracted" by drawing the desktop. Then if you want to do some gaming, just edit your "xorg.conf" again.

Hi goalque, I managed to build the eGPU system according to the implementation guide succesfully. My specs: iMac late 2015 5k, i5 24GB ram (no bootcamp) Akitio Thunder2 Zallman ZM400LE PSU Gigabyte GTX980ti 6GB I do not have an external monitor , I would like to use only the CUDA rendering in DaVinci Resolve. I have applied the quickfix by goalque, not to have an external display. Since then, my 5k works as before. Now my mac shows the GTX980ti under the Graphics pane inside System Report, but not at "About my mac". There is still the built in AMD r380. In Davinci Resolve, the system shows only the GTX980ti, which seems to be victory, but I cannot see the performance gain. It is the same slow 6fps, what I get from my AMD GPU. Although I can hear ticking noise from the card during playbayk or render. This is the same with a Lite version and with the full, Studio version as well (Lite version is using only one gpu). It seems, that nothing utilizes the eGPU. I have downloaded an app, called XRG, saying it is monitoring my all gpus. It does, and what is weird, that during using Resolve, the nvidia gpu is at 0 percent. Same with Adobe Premiere. But if I have a Facetime call or a youtube video, suddenly the nvidia gets active. You can see on the 2nd XRG screenshot, that it had activity for Nvidia gpu. That is a youtube video on my retina display. Is there any software to monitor the egpu's performance somehow? Did you have experience with XRG? Thanks a lot.

I been lurking here for awhile but when I need to download files I can't its frustrating

It`s right. The GTX 765M should also working. I have a MS-16F2 (X6817) and my GTX 765M isn`t working,but i`m not shure about the Notebook. Maybe it is broken,i can`t check it with another Card in this Moment. The two small indents are not a Problem,the Chip is smaller.