Thanks!
This would be for an OTiS build.
Chassis: Chenbro SR301
Mobo: ASRock B365M-ITX/ac
(considering Supermicro X11SCV-Q Q370 instead, for dual LAN & other suggestions)
SAS board: LSI 9210-8i
(considering LSI 9207-8i instead, for SATA SSD TRIM support)
HDDs: At least 2x SATA, would like flexibility to mix/match SAS/SATA