The 2670 and 2670 V2 motherboards are different.
e5 2670 is LGA 2011 interface, to be matched with X79 motherboard;
The e5 2670v2 is an LGA 2011-3 port that needs to be paired with the X99 motherboard.
Package size 45 x 52.5mm
Maximum permissible temperature (Tcase)82°C
A maximum of two cpus are configured
Only 1 CPU, choose X79 motherboard on the line, this cheap, 2 hands of 500RMB can be bought. 2 way, you can only choose the Intel C602 chipset motherboard.