Those are very awful alternatives to what he's making. You'll only get a small fraction of the performance you'd usually get from whatever card you're using due to the low bandwidth of mini-PCIe or M.2 or whatever you're using. An MXM to PCI-E 3.0 adapter would allow for full 16x bandwidth and deliver the utmost performance possible. I currently have a Thunderbolt 2 eGPU setup which has more bandwidth than both of those and it's still choking tremendously with my GTX 970, or any other card I try to throw at it. This adapter OP is making is a very worthwhile endeavor.
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MXM to PCI-e x16 extension - Project complete! Some kinks to iron out...
in Enclosures and Adapters
Posted
Those are very awful alternatives to what he's making. You'll only get a small fraction of the performance you'd usually get from whatever card you're using due to the low bandwidth of mini-PCIe or M.2 or whatever you're using. An MXM to PCI-E 3.0 adapter would allow for full 16x bandwidth and deliver the utmost performance possible. I currently have a Thunderbolt 2 eGPU setup which has more bandwidth than both of those and it's still choking tremendously with my GTX 970, or any other card I try to throw at it. This adapter OP is making is a very worthwhile endeavor.