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I am looking to play some games on my MacBook Pro and would like to add an external GPU to it. Searching around I found that a Thunderbolt to PCIe enclosure works fine for that purpose, however all the ones I found seem extremely expensive for what is essentially a power brick, connectors and an aluminium box.

Does anyone know of a more reasonably priced option ? I'd hate to put more money into the enclosure than the GPU itself.

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  • You can build one yourself or you can shell out. I tried a few years ago to design a prototype for this that could actually be manufactured for a reasonable cost. It's just not feasible.
    – jcam3
    Jul 6 '17 at 17:49
  • Did you see egpu.io ?
    – SEJPM
    Jul 6 '17 at 20:16
  • @SEJPM just checked it out. Still expensive as it lists the same models I've found by myself, the "cheapest" being an Akitio one at 220$. Jul 6 '17 at 21:36
  • @jcam3 care to elaborate? What's the most expensive part in those, excluding R&D? It's essentially a power brick and a Thunderbolt to PCIe chip that should cost a few bucks when bought in volume, right? Jul 6 '17 at 21:38
  • @AndréBorie I thought the same thing as you but the problem was that all of the affordable PCI-E riser/expansion modules I could find had bottlenecks that would require re-wiring and soldering to remove. They get all choked up by a USB 3.0 output port/x16 to x1/whatever. All the backend work made it unattractive for both the finances and the sheer amount of extra work. If I remember right my starting capacity would be maybe 7-10 units/week in near-perfect conditions. Anything I found with sufficient end-to-end throughput was too expensive to be financially viable. This was 3-4 years ago.
    – jcam3
    Jul 6 '17 at 22:44

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