For X99 motherboard Core count 12 Thread count 24 Base processor frequency 2.40 GHz Max overclock 3.1 GHz Cache memory 30 MB Lithography 22 nm RAM support DDR3 and DDR4 Performance similar to 2678 V3 https://www.cpubenchmark.net/compare/Intel-Xeon-E5-2678-v3-vs-Intel-Xeon-E5-2673-v3/2584vs2606 In working condition, for sale only in Kennedy Town.