For the iMacs released late July 2010, MacBook Pros from February 2011, and Mid-2011 MacMini.
DDR3- Also known as DOUBLE DATA RATE 3 SYNCHRONOUS DRAM. DDR3 is faster than DDR2 memory and the two are not compatible. The benefit of DDR3 memory is the ability to transfer at twice the data rate of DDR2 memory, thus enabling higher bus rates and higher peak rates than earlier memory technologies. In addition, the DDR3 standard allows for chip capacities up to 8 gigabits, effectively enabling a maximum memory module size of 16 gigabytes (16GB). DDR3 memory also provides a reduction in power consumption of 30% compared to DDR2 memory. Common DDR3 memory types are PC3-6400, PC3-8500, PC3-10600 and PC3-12800.
Some computers require RAM chips to be installed in sets. This is typically because the computer designers are speeding up the memory bandwidth by dividing the data across more than one chip; i.e. You can get twice the bandwidth if half the data is on one chip and half on the other.
Manufacturer Part #: DM50 228
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In updating my older iMac to 10.10, I wanted to increase my RAM from the current 4gb. I purchased this module to increase the memory to 8gb. After installing the RAM, my iMac was much "snappier". I did not run a lot of applications as my next task was to upgrade to the newer OS. Thanks for another great Small Dog experience.
Used to upgrade a mid-2011 iMac, also added an SSD. Amazing how much faster this 4yo iMac is running now. Small Dog always has good ram and, most importantly, guarantees it.
Great RAM! This is an awesome way to give your computer that extra kick without having to pay a lot of money.
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