-C20x LSI RAID -LSI Embedded MegaRAID WHQL Driver 15.00.0329.2012 for Windows XP 32/64, Windows Server 2003 32/64 bit, Windows Vista 32/64 bit, Windows Server 2008 32/64 bit,Windows 7 32/64 bit, Windows Server 2008 R2 64 bit. -LSI Embedded MegaRAID WHQL Driver 15.00.0811.2012 for Windows 8 32/64 bit,Windows Server 2012 64 bit.