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I'm writing this guide in order to help anyone with kind of the same configuration. Without the other guides out there and some help I wouldn't have made it. Thank's a lot guide guys! Warning: The following procedure at your own risk. Please be sure to take a backup in case of emergency. Hardware Configuration: Apple MacBook Pro 17" late 2011 16 GB with discrete AMD Radeon HD 6770M AND integrated Intel HD Graphics 3000 + Thunderbolt 1 + Mavericks 10.9.4 AKiTiO Thunder 2 PCIe Box Thermaltake London 550 W (73 € @ Conrad) Asus GeForce ROG MATRIX GTX 780 Ti Platinum (444 €) external Display via HDMI Thunderbolt cable Preperation: (thanks to entzoe for his guide here) Step 1 (Note: eGPU setup should be all disconnected) Download and Install CUDA driver http://tinyurl.com/dxzoaww Step 2 Download and install a modded NVIDIA Web driver Usually, NVIDIA's official Web driver will do a system check. Official web driver can only be installed on MacPro 2008, 2009, 2010. If you are using a iMac or Mac Mini or MacBook Pro, you can't even install. But Modified Web driver avoids the system check. Modded Web driver file name is ModdedWebDriver-334.01.02f02.pkg. File mirror: https://app.box.com/s/wa2tblhb4y5dtd3fgh1z Step 3 Modify the following KEXT files /System/Library/Extensions/NVDAStartup.kext /System/Library/Extensions/IONDRVSupport.kext /System/Library/Extensions/AppleHDA.kext/Contents/PlugIns/AppleHDAController.kext [*]look for sections beginning with CFBundleIdentifier and add just before the closing add the two following lines <key>IOPCITunnelCompatible</key> <true> There are several sections OF that CFBundleIdentifier If you don't know how to modify these files (like me), that's what I did: download and install Textwrangler go to the file and right click, open with Textwrangler in the left tab extend the Contents folder and click on info.plist in the right hand tab you can do the modifications Step 4 Every time you upgrade your OS you need to modify these KEXT files Finally, clear the cache by issuing the following command in the Terminal application “sudo kextcache -system-caches” and shutdown your OS. Step 5 - Put together your hardware (without anything connected to electricity yet) connect the eGPU to the PSU via the 8 pin / 2x 2+6 pin cable dismantle the AKitio and take out the card (actually it’s two) plug the GTY into the x16 PCIe slot of the AKiTiO card (no PCIe riser needed) connect the power adaptor of the AKiTiO into the card to power-on a PSU without a motherboard connection you can use the Paperclip Trick connect the Thunderbolt cable with your computer connect the HDMI with you external display have both, the PSU and the AKiTiO power plugged into a switchboard an turn it on turn on your MacBook Step 6 - Software configuration in System Preferences / Displays / Arrangement make sure that the menu bar is located on your external display Check Apple / About This Mac / More Info… if the GTX is being used Pictures: I'll upload some later when everything is nicely put into an enclosure. The pictures I posted before elsewhere where totaly misleading and just wrong. Did everything wrong... (eGPU and AKiTiO card where touching each other, everything was placed onto a metal board and that caused electric sparks, so don't do that!) Benchmark: Conclusion: It works! I can use my internal screen and the external screen connected via the eGPU. Concerning stability with my eGPU everything is fine except for Preview and Quicktime (so far). Whenever I try to watch a movie with these programs the screen just freezes, but I can still move the mouse and hear the sound. Also the image is somehow green and distorted but wouldn't actually play for longer than a second. When that happens I have to force shut down and restart. VLC is fine, no problems there with the same files compared to Preview and Quicktime. Help anyone?</true>

Update : i finally got it working ,,

Here is a detailed video about the Razer Core. damn that thing is sexy.

Platform update today. Please report any bugs.

Hi, Used this great resource to build a eGPU based on a EVGA GeForce GTX 980 Ti Hybrid 6GB with a HighPoint RocketStor 6361A Thunderbolt 2 PCIe Expansion Chassis, Silverstone Milo ML08B-H Mini ITX Case with Handle, and Silverstone SX500-LG 500W Gold SFX Power Supply. My eGPU requirements are solely for daVinci Resolve on OS X to boost render times and size of files that can be rendered without the dreaded GPU Is Full message. No gaming, no monitor. Can’t get any simpler. The eGPU is to run on either a MacBook Pro Retina, 15in Mid 2015, AMD Radeon R9 M370X, and a iMac 27in Late 2013, Nvidia GeForce GTX 780M. Did a quick bride of Frankenstein build on the table to check it all works using the MacBook Pro. Downloaded the Nvidia Web Driver (346.02.03f04), downloaded and ran goalque’s installation script https://www.techinferno.com/index.php?/forums/topic/7989-script-automating-the-installation-of-egpu-on-os-x-inc-display-output/. Rebooted the laptop and there was the 980 ti in the OS X systems report. Ran Resolve and it recognised the card and rendered at approx 3 times the speed of the non eGPU render. Sweet! Spent a day doing the build, with loads of pics which I’ll post here soon. Carried the eGPU over to the iMac, plugged it in and went through the process again. Downloaded the Nvidia Web Driver (346.01.02f04)*, ran the script, rebooted the machine. In the systems report there is a new card recognised, but it has the generic name of NVIDIA Graphics Device. In Resolve it recognises the card as NVIDIA Graphics Device. I rendered the same file. On the Laptop I was getting 10fps, on the iMac I get roughly 7.5. Both systems were reading and rendering to the same external SSD and the CPU wasn’t being taxed. Hmmmm. So I search the site for NVIDIA Graphics Device and found a few post relating to Titan builds, but they are reporting expected performance. Again Hmmm. So my next step is to upgrade the iMac from 10.10.3 to 10.10.5 to match the MacBook Pro. I will also update the NVIDIA Web Driver as at the moment they are both up to date base on the OS X but do not match. I can’t find anything relating to 10.10.3 and NVIDIA Graphics Device but its the only obvious difference between the two systems. I’ll post my findings soon. Any thoughts? Cheers

UPDATE And based on the scores I have in my own tests and those found from others, 800 MiB/s is the max you can get out of TB1 with CUDA on an eGPU. So to 'unlock' some of the potential of the 980Ti rendering with Resolve, it really needs to be a TB2 connection.

I'm have a similar issue. I have a maxed out Late 2013 Macbook Proand GTX 980 TI w/ 850 EVGA Power Supply. My main use in Davinci Resolve and Adobe Premiere (I've also used Adobe Media Encoder) and it seems as though it's not working. Can I change the supported cards lists in CC 2015? I can see it in After Effects when I turn on allow unsupported cards but still not Premiere Pro.

Hi folks, I'm working in post production, mostly on workstations from others, but sometimes also at home. I sold my old system and bought for the half of my soul a MBP Retina 15" last winter, which is really a beautiful and potential piece of hardware. With its quad core i7 cpu and the 750m GPU, even DaVinci Resolve runs acceptable. Now, I like scalable systems and I kinda got a crush on the idea of using an external GPU to improve my systems capability, so I'd like to build one of them. What do I have: Macbook Pro 15" Retina Mid2014 2.8GHz i7 16GB 1600 Mhz DDR3 1TB Flash drive Intel Iris Pro 1536MB NVIDIA GeForce GT 750M What I'd like to do with the eGPU: MacOS: using the eGPU as render card for Premiere Pro, After Effects and DaVinci Resolve (therefore it's not about using the eGPU for the Retina Display) Windows: play Video games over an external Display, connected directly on the eGPU (Macbook is closed) What is my plan: Sonnet Echo Express III-D expansion chassis NVIDIA GPU You guys are still with me? If so, thanks a lot :-D Now, DaVinci Resolve likes to have plenty of VRAM, so does an ASUS GTX Titan X work in the Sonnet chassis? Just the "standart" version, nothing fancy overclocked... (I know, I'd have to change some cables for the power supply) I'm from the IT Business, so I'm very confident when it comes to computer, yet I have no experience with eGPU's at all. Moreover, I'm still struggling to belief that the TB connection is fast enough, but I found a lot evidence online that shows how potential eGPU's are, so there must be some truth... :-P I've already read a lot about that topic in this awesome Forum, but now I need personal "know-how" from people who are really into this whole topic. I really hope you guys can help me with your thoughts and inputs, maybe I'm on the totally wrong track. Thanks a lot for your time, I appreciate that. Marco Edit:// thanks to the admin for moving my question to the right place. :-)