Hi, I currently purchased a Gigabyte Gaming Box with an RX Vega 56 Nano which replaced was replaced the former GTX 1070. By installing that with a Pure Wrangler Setup in High Sierra the GPU got reconized by High Sierra. Sadly I have lagging workflow in Finder when it is connected. With a MacMini 2012 are no lags. Does somebody know what that could be. There was also hangups in the beginning when i just connected the box with no installation. I have a iMac with a Xeon E3-1290 CPU. Could that the reason?