2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (Mantiz Venus)...
 
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2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.13.6 [wpratt]  

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wpratt
(@wpratt)
Active Member
Joined: 2 years ago
 

SYSTEM SPECS
iMac Pro (2017)
Processor: 3 GHz Intel Xeon W
Memory: 64 GB 2666 MHz DDR4
On Board GPU: Radeon Pro Vega 64 16368 MB
2nd Monitor: LG Ultrafine

eGPU HARDWARE:
Enclosure: Mantiz Venus MZ-02
GPU: NVIDIA GEFORCE GTX 1080ti 11GB
Cable: Belkin Thunderbolt 3 Cable (1.6 Feet / 0.5 Meters)

HARDWARE PICTURES:

IMG 4258 sm

IMG 4260 sm

INSTALLATION STEPS:
1. Install card into enclosure. The card I used has two 8-pin inputs. It required using two 6-pin + 2-pin configurations to power fully.
2. Get your eGPU set up to be quickly/easily plugged in. When the scrip is running, you only have 20s to plug it in.
3. Disable SIP. Using directions here:
4. Run Script. Again, using directions here:
5. Make sure eGPU is unplugged on reboot.
6. BEFORE logging in, plug in and power on eGPU.
7. Log in.

BENCHMARKS:

octanebench results
CUDAZ report

COMMENTS:
My only goal for this build was to run Octane Render with Cinema4D. I do not have any Ghost head plugs, or displays out of the enclosure. My system monitor and secondary monitor are still running on the onboard GPU, while the eGPU allows Octane to run. Software/ Driver versions are:

OSX
: 10.13.6 (17G65)
Nvidia WebDriver: 387.10.10.10.40.105
CUDA: 396.148
Cinema4d: R19.068 (Build RB245443)
Octane: 3.08

2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.13.6 [build link]  

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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

@wpratt Nice build guide! I'm not familiar with OctaneBench. How does it compared to GTX 1080 Ti when installed in Mac Pro towers for example?

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

 
2018 Mac Mini [8th,4C,B] + RX Vega 56 Nano @ 32Gbps-TB3 (Gigabyte Gaming Box) + macOS 11.0 & Win10 2004 [build link]  


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wpratt
(@wpratt)
Active Member
Joined: 2 years ago
 

@itsage Thank you! As for OctaneBench It's my first time running it. It was recommended by @devild. He might have a better answer.

2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.13.6 [build link]  

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Mize
 Mize
(@mize)
Eminent Member
Joined: 3 years ago
 

I see you're not actually using the egpu as a display driver. By any chance did you just try it to see if it works?

iMac Pro (2017), 3.2 GHz Xeon W, 32 GB, 1TB SSD, RX Vega 56 + AKiTiO Node Pro w/ Zotac 1080 Ti, working with login hack on 10.13.3 but BROKEN by Apple blocking Nvidia in 10.13.4. Boo-hiss you Apple!


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wpratt
(@wpratt)
Active Member
Joined: 2 years ago
 

@mize Hey! I haven't tried that yet. But i will give it a shot when i have a free second.

2017 27" iMac Pro (Vega64) [7th,10C,W] + GTX 1080 Ti @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.13.6 [build link]  

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devild
(@devild)
Trusted Member
Joined: 4 years ago
 

@itsage, here is the result of GTX1080Ti in "iMac Pro" hack (with 7960X CPU).

Octane1

And for two GTX1080Ti in the same hack.

Octane2

That is not dead which can eternal lie, And with strange aeons even death may die.


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itsage
(@itsage)
Illustrious Member Admin
Joined: 4 years ago
 

Thank you for sharing the results. That scaled very well with two GTX 1080 Ti eGPUs.

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

 
2018 Mac Mini [8th,4C,B] + RX Vega 56 Nano @ 32Gbps-TB3 (Gigabyte Gaming Box) + macOS 11.0 & Win10 2004 [build link]  


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benek
(@benek)
Active Member
Joined: 2 years ago
 

I have my iMac Pro + 1080TI + Sonnet Breakaway working fine, but one thing missing is the eGPU icon in the menu bar… just wondered whether anyone might know why this is?

Everything else appears to be working ok, just missing that icon.

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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davestyle
(@davestyle)
New Member
Joined: 2 years ago
 

Has anyone here had luck on Bootcamp? I am unable to get the TB3 ports to work. 

 

No response from any thunderbolt device. I have tried latest Intel drivers, the thunderbolt controller disconnects a few minutes after startup. 

Has anyone with a imac pro had a smiliar situation? 

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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Mize
 Mize
(@mize)
Eminent Member
Joined: 3 years ago
 

I'm finally back to using MacOS a bit and would like to get egpu working again in MacOS.
For those on this thread who have it working (for display purposes), can you please post what fix/scripts you used?
I've not updated to Mojave yet for fear it will break bootcamp.

iMac Pro (2017), 3.2 GHz Xeon W, 32 GB, 1TB SSD, RX Vega 56 + AKiTiO Node Pro w/ Zotac 1080 Ti, working with login hack on 10.13.3 but BROKEN by Apple blocking Nvidia in 10.13.4. Boo-hiss you Apple!


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