Can I run 2 RAID arrays at the same time without separate partitions?

Solution
Each RAID requires its own partition, so you'll have at least 2, 1 for SSD RAID and 1 for HDD RAID.
You don't need SATA3 bandwidth (6Gbps) for your HDDs so don't bother with separate controller.
Each RAID requires its own partition, so you'll have at least 2, 1 for SSD RAID and 1 for HDD RAID.
You don't need SATA3 bandwidth (6Gbps) for your HDDs so don't bother with separate controller.
 
Solution