Today there are 4 types of laptop memory, such as: SO DIMM DDR, SO DIMM DDR2, SO DIMM DDR3 and Micro DIMM.
Types listed above don’t include RAM for desktops (personal computers) that some sellers successfully sell as if it’s for laptops and some users successfully buy it. Moreover, some models of notebooks are equipped with additional memory slots that are located under a keyboard, not under a lid that is easy to open.
So that, upgrading process is getting more difficult, in addition, you may break something essential. Your notebook will not start to run with the module that is fixed askew, as well with modules that are working at high frequency of bus or that have memory more than acceptable.Read More