Mixing ram with different latencies

[leederek]

Is it ok mix ram with different latencies?

G.SKILL Sniper Gaming Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-16GSR
DDR3 1600 (PC3 12800)
Timing 9-9-9-24
Cas Latency 9
Voltage 1.5V

with
G.SKILL Sniper Gaming Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model F3-1866C10D-16GSR
DDR3 1866 (PC3 14900)
Timing 10-11-10-30
Cas Latency 10
Voltage 1.5V

Motherboard is Asrock z77 extreme4 with i5-3570k processor

Thanks.

 

[cl-scott]

In an ideal world, you'd have everything matching perfectly all the way down the line, but faster RAM should be able to adjust itself down to the slower RAM without any issue. You just end up paying for the added performance of the faster RAM and not using it.