ノートPCのeGPUスレにあった
おそらく世界最小eGPU　Mac対応

eX Core NVIDIA GeForce GTX 1050 w/4GB
Size (15cmx10.5cmx2Cm) | Weight 0.71 kg.
2x Intel® Thunderbolt 3 Ports
1x HDMI 2.0b audio and video output Port
USB-C DC-IN Port
Compact 90W USB-C power adapter w/Power Share Charge-Laptop up to 60w

https://www.kickstarter.com/projects/exklim/turn-your-laptop-into-a-gaming-rig-meet-the-ex-cor?ref=email