CMD16GX3M2A2133C9 Memory Question

I am building a new PC and purchased Corsair Dominator Platinum CMD16GX3M2A2133C9 16Gb Memory for my Asus Sabertooth Z97 MB.



First, how come I cant find this memory on the Corsair Web Site?



Second, I was told that this was 2133 Mhz memory but it only seems to run at 1333 Mhz on my Motherboard, did I buy the right memory?



The Asus site has this memory listed as compatible with this MB.



Thanks