Hello,

I was interested in increasing the RAM in my Sony VPCF148FT, and when I looked up what RAM I could use I came up with the following information:

DDR3 SO-DIMM
PC3-8500

When I went to the shop, the guy there recommended RAM that was PC3-10600. Now my question is: Does this PC3 rating have to do with compatibility or simply speed? If the latter, can any of them be installed?

Thanks in advance.