doesn't really matter. An integrated (native) interface may improve timing issues vs a bridge chip, but any timing issues with a bridge are taken into consideration with design and firmware. Most issues, bridge or native, are still with the host SATA chip. Hard coded RAID still won't work regardless, as the ODD uses the ATAPI and MMC command sets while RAID generally uses the ATA command set for HDD. First gen and some second gen mobo still have compatibility issues.