Buying memory for a Mac seems like an easy task; find the cheapest price online and submit your order. But there's a tad more you need to know to ensure you get the right memory for your Mac, the best deal, and the best quality. Taking the time to research your Mac's needs will not only help you get the right memory; it also has the potential to save you some big bucks, especially if you do the memory upgrade yourself, rather than leave it to Apple or others to do it for you. Which Macs Support User Upgrade of RAM Currently, only the Mac Pro and the 27-inch iMac support user upgrading of the memory. All the rest of the Mac models for 2015 don't support users popping open the Mac and replacing or adding RAM modules. But it hasn’t always been like that. There was a time when upgrading RAM on a Mac was a fairly easy task; Apple even provided upgrade instructions. Mac Models That Support User Upgrades of RAM Mac Model User Upgradeable MacBook Pro 2012 and earlier MacBook 13-inch All models MacBook 12-inch Not user upgradeable MacBook Air Not user upgradeable iMac 27-inch All models iMac 24-inch All models iMac 21.5-inch 2012 and earlier iMac 20-inch All models iMac 17-inch All models Mac mini 2012 and earlier Mac Pro All models Memory From Apple or Third-Party Memory? It's common to add memory when you make your initial Mac purchase. Apple will install the memory, test it, and guarantee it with the same warranty as your new Mac. If you're willing to pay for convenience, then going the Apple memory route is fine. But if you want to save some cash, you can get a better price from third-party suppliers. In most cases, you'll also get a longer warranty. Many memory retailers offer lifetime warranties. Of course, you'll probably have to install the memory yourself, but it's an easy process, one that Apple even provides directions for in its manuals. Mac Manuals and Guides to Installing Memory MacBook Pro: How to remove or install memory iMac: How to remove or install memory Buying the Right Type of Memory Apple uses various types of RAM in the Mac product lines. It's important to select the right type when you're buying RAM. Of all the specifications for RAM, make sure the following matches Apple's specifications: Technology type: Examples include DDR3 and DDR2. Pin count: The number of connection pins on the RAM module. Data rate: Usually expressed as the technology type plus the bus speed; for example, DDR3-1066. Module name: The module name defines the style and specifications for the memory module. This is different from the technology or data rate values, which define the type of RAM the memory module uses. Mac Upgrade Guides Where to Buy Mac Memory Where you buy Mac memory can be as important as buying the right type of memory. Apple retail stores will provide the correct type of memory; they can also install and test the memory upgrade for you, right in the store. Apple retail stores are a great choice if you don't feel comfortable delving into the interior of your Mac. There are also many third-party memory suppliers. The two I mention provide lifetime warranties and memory configuration guides, to ensure you're buying the right type of memory for your Mac.
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