I have an MSI 790GX-G65 motherboard with Phenom II820 and one SSD and 2 500GB Samsung HDD.
Everything worked well with Windows 8 until I figured out that I keep using my SSD for the system but I will use the 2 HDDs in Raid0 for games to load faster, etc.
Win8 unfortunately seems not using the SB750 well. Unfortunately in the downloaded chipset package the SB7xx has only Win7-64bit driver only. Win7-64bit in RAID working well but Win8 doesn't. Please provide the necessary drivers, thank You.