Intel(R) PRO/1000 Gigabit Network Connection with I/O Acceleration Technology (Intel(R) I/OAT) WHQL driver V11.4.16.0 for Windows XP 32/64 bit,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.