When it comes to computers it can impact proformance of up to 27% if you use programs that heavily use memory, games for instance. You can still go both ways but you have to wait for the other car to pass before you can go the other way.
From a cost and performance point of view, youd be better off buying a second 4GB PC3-10600 RAM, because when installed properly, it should give you 8GB total RAM. Each have a different Memory Clock Speed, Cycle Time, I/O bus clock, Data Rate, and Peak Transfer Rate. Same for the PC3-10666 (PC3-10600) it means the Peak Transfer Rate is 10667 MB/s Yes, this does matter for various reasons. That just means, from a compatibility point of view, that there is no point in buying faster RAM. Actually these are technically the same thing both refers to DDR31333 standard memory which has a peak transfer rate of 10,666 MB/s the standard is to truncate the last 2 digits and express the transfer rate as PC310600 however some sources might fail to do this. What does the peak transfer rate on a PC3 mean PC3-12800 means that the Peak Transfer Rate is 12800 MB/s. Single channel is like a 2 lane road with one lane closed off. All DDR3 RAM will work at the slowest speed. When you are running Dual channel both lanes are open, traffic is running smoothly In your case your laptop can run in what is known as Dual-Channel and Single channel ram configuration.ĭual channel is when you have 2 sticks of ram with identicle size (Speed really doesn't effect the avalability of dual channel), single channel is when you have either 1 stick of ram or 2 sticks that are different size. Which is a whole other world of explaination. However if you put a 4GB stick and a 2GB stick in you will lose what is known as Dual channel. If you have 1 stick of 4GB DDR3 8500 and an other stick of 4GB DDR3 12800 the computer will notice the difference and lower the faster ram down to that of the slower ram.
Unless you are using this laptop for gaming, or scientific calculation you will not see a vast difference between 850.Īlso you can mix and match DDR3 that have difference speed ratings. The numbers simply mean how many MB per second they will top out at. However you will not see any improvement with system speed.
#What does ddr3 pc3 10600 memory mean mac
OWC has a blog post Certain 2010 MacBook, MacBook Pro, and Mac mini models join the ’16GB’ MaxRAM club going into more detail. The fastest memory that your laptop can use is DDR3 10600. It use to be easier 15 years ago when there weren't so many options available.
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