booted up with 1.02b with Highpoint RocketRaid 2710/2720.
Based off this thread below..
https://xpenology.com/forum/topic/9508-driver-extension-jun-102bdsm61x-for-3615xs-3617xs-916/
it looks like it is supported, but I get no disks available when drives are plugged into the Highpoint RocketRaid 2710/2720 card. Thanks for helping!