I wound up buying a Western Digital Black SN750 NVMe SSD 1 TB. Put it in, booted up, went to management, scaned and set up new drive, moved all of my Forza 7, Horizon, 3 and 4 games over to it and the drive runs great!
Asus ROG G752VL / 250 GB 960 EVO / 1TB HD / Fresh Win10 install