SQLIO is a tool provided by Microsoft which can also be used to determine the I/O capacity of a given configuration. SQLIO is provided 'as is' and there is no support offered for any problems encountered when using the tool. Please refer to the EULA.doc for the license agreement prior to using this tool.
Supported Operating Systems: Windows 2000, Windows 2000 Service Pack 2, Windows 2000 Service Pack 3, Windows 2000 Service Pack 4, Windows NT, Windows Server 2003, Windows XP, Windows XP 64-bit
Download: SQLIO Disk Subsystem Benchmark Tool