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.
Probably one of the most common concerns we hear is from people who, right after getting a flu shot, got something that seems to them like flu. It is possible it could happen. After a dose of flu vaccine, it takes at least a week to become immune. If flu is in your community and you are exposed, it takes two or three days for symptoms to appear. So it is possible if you are exposed to flu to get sick before the vaccine has a chance to work. It gives people the impression the vaccine caused the flu.