I use storms that run @ 7-8-7-21 @ 4985.... 
 
Don't pay attention to the scores as I suck at SPI .................... 
 
 
Can't speak to higher clocks thpough my friend as I can not get there 
 
All tohe super new +2000 crap is loose as a goose and prolly rebranded 2000 Mhz stuff anyway