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  1. absente

    Most suitable base mac pro to transform it into a workhorse?

    Hi there, I decided to sell my current Late 2013 iMac and go the 'upgrade yourself mac-pro' route, since the whole nVidia debacle. I've been reading for days the forums, however there are some simple questions that I still cannot find the answer to. Basically what I do is a lot of...
  2. G

    Mac Pro 4,1->5,1 Video Card Audio

    I was wondering if somebody who has experience upgrading old Mac Pros could tell me if I put in a GTX 1080 or 1080 Ti (flashed) if I will be able to use the display port audio output. As it is, I am not able to select my monitor for audio output, connected via mini display port to HDMI. From...
  3. E

    A 5,1 High Sierra MacPro That Can't Remember

    Hello all, I have a 5,1 Mac Pro (Aluminum) that I am trying to install a GTX 1080 into. The processors are 2x E5620 Xeon Quad cores. The system came with an ATI Radeon 5870 (1GB), which I still have. The brand of the GTX 1080 is MSI. SIP is ENABLED. After selecting "NVIDIA Web Driver" in the...
  4. covalt

    MP 1,1-5,1 Nvidia 1080 works in one Mac Pro 5, 1 but not another

    I am in a studio with several Mac Pro towers (5,1 models); we're upgrading all the GPUs to Nvidia 1080 cards because we're using Octane for 3D rendering. I've successfully gotten cards installed in 4 different Mac Pros (all 5,1 models, various CPUs). The cards are either Nvidia Founders...
  5. S

    Help with a 5,1 1080 Build.

    Hello! I'm asking for a little help troubleshooting a Mac Pro build I am doing for a friend. He wanted something to help him with rendering 3d stuff his macbook was lagging with. I am not an expert but I have built many PC's and tinkered with upgrading many macs over the years. I personally...
  6. X

    cMP 5,1 - Pascal GPU Flashed vs Non-Flashed

    Hello, world! This is my first post on the forum here. I've recently gotten my new (to me) Mac Pro up and running. Next up on the list is to choose a GPU. I'm on the fence between a 1060 or 1070 for some light 1080p gaming (Skyrim, a few MMORPG, some rounds of Overwatch here or there). I am...
  7. Derived

    Extreme Instability w/GTX1080 & Nvidia Drivers

    Posted a thread on here a while back with similar issues, but they seemed to go away. Now they're back, and worse than ever. Running my GTX1080 on 10.12.6 w/latest drivers, system essentially becomes unusable if left alone long enough to trigger the screen saver 8/10 times at least...
  8. D

    Mac GTX 1080 Crashing

    Hi all, having some pretty big issues with my new 1080 8GB (purchased from Macvidcards). Have been getting no response from their support email which is a bummer so was hoping someone here might have a clue what could be going on. Im running a late 2010 5.1 Mac Pro with 64GB RAM, a 12 core CPU...
  9. L

    Mac Pro 4,1 GPU Upgrade for 4K UHDTV

    I'm looking to upgrade my current ATI Radeon 5870 to a 4K Card but don't know which would work best on my 4K TV. Can anyone recommend a good NVIDIA GTX card compared to the Sapphire 7950? My Mac is used mainly for watching movies and as a Plex server. Its connected to my 75" Sony 4K TV and It...