E3 V2 does not support frequency doubling, but it can be overclocked by setting the motherboard BIOS to increase the cpu external frequency. But the external frequency is not easy to overclock, which may cause damage to the menu. It is recommended not to overclock. Main frequency of cpu = external frequency * frequency doubling. E3 1230 v2 external frequency is 100MHZ frequency doubling is 33 times, which supports automatic turbo frequency to 3.7Ghz.