なかったから建てた

External Graphics Development Kit

Sonnet external GPU chassis with Thunderbolt 3 and 350W power supply
AMD Radeon RX 580 8GB graphics card
Belkin USB-C to 4-port USB-A hub
Promo code for $100 towards the purchase of HTC Vive VR headset2
599 USD or in local currency3
https://developer.apple.com/development-kit/external-graphics/

※前スレ
https://egg.5ch.net/test/read.cgi/mac/1497713215/