To make sure you get the right one, look at the memory standard your motherboard supports: If it says something like DDR3 1333 or DDR3 1600, just buy memory with that same value and you should be fine.
How long after being exposed to the stomach flu until symptoms show? typically it is between 24-46 hours (most often starts after 36 hours) but can be aslong as 72 hours.
People exposed to the virus usually develop symptoms of illness within 24 to 48 hours, but symptoms can occur as soon as 12 hours after exposure. People infected with a norovirus can be contagious from the moment they start feeling ill to at least three days after they have recovered.