Matched Pair
You are purchasing 2 CPUs

Intel Xeon E5-2666 V3 CPU

Frequency – 2.9ghz
Cores – 10
Threads – 20
Smart Cache – 25MB
Bus Speed – 9.6 GT/s
Stepcode – SR1Y7
Socket – LGA 2011-3

These are only for servers and workstations, they will not work in laptops or desktops.