OS system: 10.13.5(17F77)
Specifications Detail
Computer model: Alienware-Alpha-R2
Processor Intel Core: i7-6700T Processor
Memory: 16GB DDR4
Hard Disk: Western Digital SN500 500GB
Integrated Graphics: Intel UHD Graphics 530
Graphics Processor: Nvidia GTX 960
Wireless Card: BCM94352Z (1560A)
The wireless card I recommend 1830A. It can eliminate the Hand-off freeze issue.
Work: Airdrop Appstore iMessage
Not Work: Hand-off
I would stay in High Seirra. Since Nvidia web drive don't support Mojave.
Thanks: 黑果小兵、tonymacx86