Taps out at 1900mhz at CL8 1.65v 1T. Seems to be good for 237mhz per CL so
2133mhz=CL9
1900mhz=CL8
1660mhz=CL7
1422mhz=CL6

About the same as my old 2gb stick Adata 2000X's that cost me 3 times as much couple years back.