-Intel C600 MEI NULL HECI -Intel C600 MEI NULL HECI Windows WHQL Driver V1.2.3.2002 for Windows 7 32/64 bit, Windows Server 2008 R2 64 bit. -Intel C600 MEI NULL HECI Windows WHQL Driver V1.2.3.2003 for Windows XP 32/64 bit, Windows Server 2003 32/64 bit, Windows Vista 32/64 bit, Windows Server 2008 32/64 bit, Windows 8 32/64 bit, Windows Server 2012 64 bit, Windows 8.1 32/64 bit, Windows Server 2012 R2 64 bit.