8 core processor series intel xeon eight core package tray number of processing cores 8 number of threads 16 clock frequency 21 ghz processor code name broadwell tdp 115 watt stepping revision b0 stepping l3 cache 20 kb manufacturing process 14 nm suitable for intel system memory types ddr3 1066 ddr3 1333 ddr4 1333 ddr4 1600 ddr4 1866 speicherkanle 2