The Server Efficiency Rating Tool (SERT) is a performance analysis tool that is specifically designed to addresses the requirements of the Environmental Protection Agency's ENERGY STAR for Servers v2.0 specification.^[1] The SERT Beta 1 was introduced in September, 2011.^[2]

Several SPEC member companies contributed to the development of the SERT including AMD, Dell, Fujitsu, HPE, Intel, IBM, and Microsoft.^[2]