1 quick Q which is the better ? theres only $21 diff.
G.Skill TridentX Series - Memory - 16 GB : 2 x 8 GB - DIMM 240-pin - DDR3 - 1600 MHz / PC3-12800 - CL7 - 1.5 V - unbuffered - non-ECC
or
G.Skill SNIPER Series - Memory - 16 GB : 2 x 8 GB - DIMM 240-pin - DDR3 - 1866 MHz / PC3-14900 - CL9 - 1.5 V - unbuffered - non-ECC
going into an Asus P8Z77 V Pro
G.Skill TridentX Series - Memory - 16 GB : 2 x 8 GB - DIMM 240-pin - DDR3 - 1600 MHz / PC3-12800 - CL7 - 1.5 V - unbuffered - non-ECC
or
G.Skill SNIPER Series - Memory - 16 GB : 2 x 8 GB - DIMM 240-pin - DDR3 - 1866 MHz / PC3-14900 - CL9 - 1.5 V - unbuffered - non-ECC
going into an Asus P8Z77 V Pro