And you should pair RAM modules of the same capacity, if possible. If you decide just to fill empty slots, the same applies. ![]() It’s a good idea, though not essential, to buy all the RAM you fit at the same time from the same manufacturer. That will often mean removing the existing modules and replacing them. When your MacBook Pro randomly shuts off after Catalina update, chances are you lose some of your files as well.The Solution: Launching Your Mac Mail App.So. But as a rule of thumb, the effort of performing the installation compared with the marginal cost of bigger RAM modules means that it’s worth maxing out your Mac’s RAM in one go. If your Mac has RAM slots available and you can afford it, adding more RAM is a very worthwhile investment. Adding more RAM will almost always make your Mac faster, whether it’s running Catalina or an older OS. How much RAM you add and how you add it is dependent on your Mac. Sometimes, the only solution to fix macOS Catalina speed is to update your hardware. If it turns red regularly, it’s worth the expenditure. If it’s permanently green, you’re probably not going to see a huge difference by upgrading. The easiest way to do this is to fire up Activity Monitor (it’s in Applications/Utilities), click on the Memory tab and keep an eye on the memory pressure gauge at the bottom of the window. Before you go ahead and spend money, however, it’s worth trying to figure out how much of a difference it will really make, if any. ![]() ![]() In the past adding more RAM was the go-to solution for improving a Mac’s performance.
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