Crucial: Memory that's built for your Mac At Crucial, we think Mac® computers are pretty cool. They're fun to work on. They're innovative. And we make compatible memory designed specifically for them. For over a decade, Crucial has supported Mac users by delivering high-quality, compatible memory for Mac systems. Since we manufacture memory modules that are engineered to work best on Apple computers, we know your system's particular memory requirements inside and out-perhaps better than anyone else. So whether you're chatting with one of our friendly memory experts or reading one of our free Mac install guides, your Mac memory solution is just a few clicks away.