
Wow, absolutely amazing product. Just plug in and get started. After recently rebooting an old 2007 iMac that had been gathering dust as a kid's surfing computer, I realized that the outdated version of OS X on the iMac would soon be unsupported by internet browsers like Chrome. When I tried to upgrade to OS X El Capitan it didn't work because the iMac only had 1GB of storage. I visited Apple's support site and they have very simple replacement instructions for upgrading your memory. Make sure you get the exact type of memory card listed on this website. I looked for Revain and Komputerbay's MACMEMORY seemed like the best combination of price and rating, so I went with it. Changing cards couldn't be easier - cards slipped right in. Turned on the computer and within 20 minutes El Capitan was launching like lightning on my 2007 iMac with 4GB of memory. Item arrived on time and works exactly as described. Couldn't be happier.

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