To start with Apple had two options for the systems in this series, either a NVIDIA GeForce GTX 775M graphics processor with 2 GB or a NVIDIA GeForce GTX 780M with 4 GB. The only way to upgrade the graphics afterwards is replacing the complete logic board which I don't recommend.
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I don't think these external PCI cases are worth it when it comes to graphics. While the numbers look good the costs of all of the pieces needed here plus the added clutter (case & extra monitor) you couldn't do better just making the jump to a Mac Pro. Here's what we are using: [http://www.everymac.com/systems/apple/mac_pro/specs/mac-pro-quad-core-3.7-xeon-e5-gray-black-cylinder-late-2013-specs.html|Mac Pro 3.7 GHz Quad Core (Late 2013)] These systems have '''Dual''' AMD FirePro D300 graphics processors with 2 GB of GDDR5 memory each.
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I don't think these external PCI cases are worth it when it comes to graphics. While the numbers look good the costs of all of the pieces needed here plus the added clutter (case & extra monitor) you couldn't do better just making the jump to a Mac Pro system with an external monitor of your choice.
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Here's what we are using: [http://www.everymac.com/systems/apple/mac_pro/specs/mac-pro-quad-core-3.7-xeon-e5-gray-black-cylinder-late-2013-specs.html|Mac Pro 3.7 GHz Quad Core (Late 2013)] These systems have '''Dual''' AMD FirePro D300 graphics processors with 2 GB of GDDR5 memory each.
These graphics processors have 1280 stream processors, a 256-bit-wide memory bus, 160 GB/s of memory bandwidth, and provide 2 teraflops of performance.
While we are not gamers ;-} I think you'll see these bad boys are smoking!
To start with Apple had two options for the systems in this series, either a NVIDIA GeForce GTX 775M graphics processor with 2 GB or a NVIDIA GeForce GTX 780M with 4 GB. The only way to upgrade the graphics afterwards is replacing the complete logic board which I don't recommend.
I don't think these external PCI cases are worth it when it comes to graphics. While the numbers look good the costs of all of the pieces needed here plus the added clutter (case & extra monitor) you couldn't do better just making the jump to a Mac Pro. Here's what we are using: [http://www.everymac.com/systems/apple/mac_pro/specs/mac-pro-quad-core-3.7-xeon-e5-gray-black-cylinder-late-2013-specs.html|Mac Pro 3.7 GHz Quad Core (Late 2013)] These systems have '''Dual''' AMD FirePro D300 graphics processors with 2 GB of GDDR5 memory each.
These graphics processors have 1280 stream processors, a 256-bit-wide memory bus, 160 GB/s of memory bandwidth, and provide 2 teraflops of performance.
While we are not gamers ;-} I think you'll see these bad boys are smoking!