Is this set up correctly?

[Carth]

Errr

My CPU is i7 860

And my RAM is OCZ Gold 4GB (2x2GB) DDR3 PC3-16000C10 (2000MHz) Dual Channel Kit

When the computer boots up it says the RAM is running at 1066MHz not 2000MHz. In CPU-Z it says this:

I don't really know what it all means, can someone tell me if that's right?

 

[Carth]

My motherboard is Gigabyte GA-P55A-UD3.