The Cohhilition

so i have a crucial ballistix sport
DDR3 1600Mhz
PC3-12800
CL9 (9-9-9-24) 1.5 V
what ram would be compatible with this? because i only have 4gb because i bought 8gb kit but one didnt work
Corsair Vengeance 4gb 1600mhz cl9 9 9 9 24 1.5v?

as long as its the same speed(mhz) and timing(cl) it will work

okay thanks!