8 core processor series intel xeon eight core package boxed socket socket 2011 number of processing cores 8 clock frequency 26 ghz turbo boost max turbo frequency 33 ghz processor code name sandy bridge ep tdp 115 watt front side bus 4 000 mhz l2 cache 8 x 256 kb l2 cache 2 048 kb l3 cache 20 kb voltage 135 v manufacturing process 32 nm suitable for intel system package fclga2011 features intel ht mmx sse sse2 sse3 ssse3 sse41 sse4