How do i check what MHZ My ram can run at?

[HyperS]

Hi guys!

i was just looking at some stuff for fun, and i noticed my ram was runnig at a low mhz, but i dont know what mhz my ram can do, because i bought the pc used 😉

how do i check ?

 

[HyperS]

https://gyazo.com/abe49912b594f7bd0595c222a1262640 picture of what cpuz says

 

[Rookie_MIB]

Well, the CPUz shot says it's running at 815mhz - because DDR means 'double data rate', that means it's real rate is 815mhz, but it's EFFECTIVE rate is 1630mhz - so - as it stands right now you could be running DDR3-1600mhz RAM. However, the next tab on the CPUz screen is the SPD tab which will list the actual model of the RAM sticks, as well as the potential JEDEC settings if might be capable of for higher speed overclocked RAM.

Remember, the max RAM speed is a combination of several things:

1) the actual sticks max speed rating. This is usually (for DDR3) anywhere from 1000mhz, 1333mhz, 1600mhz, 1866mhz, 2133mhz, 2400mhz and up.
2) the default max RAM speed officially supported by the motherboard. Right now, most of the fasted DDR3 mobos are rated officially at 1866mhz but some can clock higher if the ram supports it.
3) the CPU. This houses the memory controller. Some chips support faster RAM, some not as well.
4) A little bit of luck in the combination. If the stars align, you could OC the RAM to the max supported by the RAM sticks.

And the default RAM speed is usually what the BIOS in it's base, unchanged state will detect and run the RAM at. Usually these days it's 1333mhz or 1600mhz for DDR3. So - you're running at a decent speed for DDR3, your RAM might be capable of faster operation, check the next tab to see what it says. From there, we can guide you with more details (such as your CPU, RAM model, and MOBO model to see if you can run it faster (and how to run it faster)