NanoPi M4 ($50) has a quad SATA3 hat ($25). Not sure if that's what you meant by cheap, but its not terribly expensive. Couldn't comment on how well it works ei

NanoPi M4 ($50) has a quad SATA3 hat ($25). Not sure if that's what you meant by cheap, but its not terribly expensive. Couldn't comment on how well it works either, but the board itself is supported by Armbian on the most recent mainline LTS kernel (5.4). The Armbian system I have is rock solid, no complaints.