Upgrade Ram FZ21M

[nunmaia]

Good night,

I am thinking to upgrade the ram of my fz21m (I have 2gb of 667 mhz) my question is, how do I know which frequency of the ram that I can put on my portable? Does the ram to put the 800 MHz?

Thanks
Greetings

[sonypass33]

Enter your model number on Crucial.com and you'll know what can go into it.