Quick recommendation: don't do RAID at all. Use one as normal, use a good backup program to do backups (with compression and deduplication if possible) to the other. Better than RAID in this kind of ...

I don't have on-board motherboard RAID. I have heard of software RAID setups but how do they compare to hardware? Going the hardware route, what is a decent option for just two (maybe three) drives?

In simple layman’s terms, RAID is a technology that allows users to combine multiple physical disk drives into a single unit. This improves data storage performance and reliability, enhances data ...