If everything works ok then you do not need it.
Your BIOS must have the RAID function enabled and that is why it shows in Device Manager. If you wanted to you could install the drivers for it from your Motherboard CD.
Galaxy Note 8 vs iPhone X
The secrets of creating gory VFX
How to update iOS on iPhone or iPad
WhatsApp : comment lire vos messages sans que l’expéditeur le sache