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Even when purchasing memory from Crucial only use the exact part numbers suggested when using the tools on their website to identify compatible memory. Apple iMac (21.5-inch, Late 2015) Available with: 8GB Memory Storage up to. Sort By Position Product Name Price Rating Set Descending Direction. If I purchase memory from Crucial just based on the memory speed and pin count alone, most likely the memory will be incompatible and cause intermittent hard to troubleshoot problems. 32GB Kit (4X8GB) DDR3 1600MHZ (PC3-12800) SODIMM. Crucial and OWC make it very simple to correctly identify the compatible memory modules which is one reason why many contributors will only recommend these two manufacturers/vendors. Since Apple doesn't publish this information, people must rely on the memory vendors to provide the exact part numbers which are compatible with any specific computer or motherboard. Restored Apple 27 iMac (Late 2015) - Intel Core i5 3.3GHz 16GB RAM 2TB. Besides the memory (aka bus) speed, there are several more important timings that are also critical for compatibility. Restored Apple iMac ME086LL/A Late 2013 21.5inch Silver I5-4570R 2.7GHz 8GB 1TB. Unfortunately Apple does not publish all the required memory specifications and most memory vendors no longer supply the extended specifications on their product pages. Four 4G RAM cards or four 8G RAM cards Thanks. For iMac (Mid 2010) and iMac (Mid 2011), use 2GB or 4GB RAM SO-DIMMs of 1333MHz DDR3 SDRAM in each slot. Can I add two 8G (16G total) RAM with the two 4G (8G total) RAM already installed for a total of 24G or do I have to keep the RAM the same in all four slots i.e. For iMac (Late 2009), you can use 2GB or 4GB RAM SO-DIMMs of 1066MHz DDR3 SDRAM in each slot. Like, are mine right, or isn't it a surprise that my iMac runs bad with those? I have a late 2013 27-inch iMac with 8G DDR3-SDRAM. Its graphics processor was the NVIDIA GeForce GTX 775M graphics processor with 2 GB of dedicated GDDR5 memory. It was powered by Quad Core 3.5 GHz Intel Core i7 I7-4771 (Ivy Bridge) processor with four independent processor cores on a single chip.
#Ram for late 2013 imac 27 mac os x
Well for me its not about the brand but about the exact specifications of the RAM modules. The iMac Intel Aluminum had the Mac OS X 10.8.4 (12E4022) operating system pre-installed on it.