"Woodcrest", "Clovertown", and "Tigerton" CPUs see the Xeon brand ) The Core 2 branded processors featured the Virtualization Technology (except T52x0, T5300, T54x0, T55x0 with stepping "B2", E2xx0, E4x00 and E8190 models), Execute Disable Bit , and SSE3 . Their Core microarchitecture introduced also SSSE3 , Trusted Execution Technology , Enhanced