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- MACBOOK PRO MID 2010 RAM 1067 INSTALL
- MACBOOK PRO MID 2010 RAM 1067 UPGRADE
- MACBOOK PRO MID 2010 RAM 1067 MAC
But if you put PC3-12800 RAM in both of the slots, the bus will try to run at the speed of that faster RAM, which it can't do. If you have PC3-8500 RAM in both slots, that's great, that's what the computer was designed for. The computer will only run at the speed of the slowest RAM module installed. I'm having trouble finding the Apple support article about this, but it works like this: The bus can only run at the 1067 MHz speed of the RAM it was designed for. This RAM is technically backwards compatible with your computer, but it forces the bus to run at the faster speed, which it can't do. You may have bought faster, newer RAM, such as PC3-12800. If you need more system info to provide help, don't hesitate to ask.ĭouble check to make sure that your new RAM is the correct speed for your computer. So the RAM I bought is not bad and my RAM slots both work, but it won't run with both 8 GB sticks.Īnyone encounter this too and if so is there a way to get all 16 GB of RAM to work?
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Took that 8 out and put in other 8 and same result. Started right up and system info says it is running 10 GB RAM. Took out one of the 2 GB sticks and put in one of the 8 GB sticks. Tried running the EFI updater available for my machine and got message that it's not supported by my system. No beeps, no chime, just a black screen and the fan might be running, hard to tell.īack to the original 4 GB RAM and starts up like a charm.
MACBOOK PRO MID 2010 RAM 1067 UPGRADE
Then I installed the 16 GB RAM upgrade and nothing. Also, be aware that this 32GB max is reported only to work with the i5s and i7s, not the i3s or the older Core 2 Duo processors which max out with 16GB Ram at 1.5V setting.I installed a 1TB SSD HB 2.5" and it worked like a charm. So look up the serials on the manufacturer or vendor website that lists the specs and go from there. In this case, the 1333 Mhz speed is what is reported. Issue is not with higher speed memory which just defaults down to the lower speed that the BIOS supports. Samsung, like Crucial, Elpida, Kingston, Corsair, etc all make good memory, but even the best memory will not work if it is does not support the correct voltage type.
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So, some people will report Samsung as working, and others will say it does not. Trick is to make sure the memory you get supports 1.5V as most of the newer memory is lower voltage (eg., 1.35V or 1.2V) that is NOT SUPPORTED by the iMacs older than 2013. Memory under "About this Mac" is reported as "32GB of 1333 Mhz DDR3." Therefore, not reported as its native 1600 Mhz.
MACBOOK PRO MID 2010 RAM 1067 INSTALL
Was able to install four (4) mixed serial 8GB SO-DIMMs of Samsung PC3-12800 (1600Mhz) DDR3 SDRAM memory modules (Samsung Memory sticker IDs listed as M471B1G73DB0-YK0 1338 and M471B1G73CB0-CK0 1251) in a Mid-2010 27" iMac with an Intel 2.93Ghz i7-870 processor. "PC3-12800" is the name used in the memory industry - 12800 indicates a peak transfer rate of 12800 MB/s (of course, the actual performance in your case would be brought down to 8533 MB/s, matching PC3-8500).
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MACBOOK PRO MID 2010 RAM 1067 MAC
"1600" is the data transfer rate per second specified in millions (the technical term is "clock frequency") - "1600" here means it supports up to 1600 million transfers per second - in your case, it will be slowed down to 1066 million transfers per second since that's what your Mac is designed for."DDR3" is the type (and must be the same as what your computer has).However, your system will operate at the speed of the slowest memory module. Memory is designed to be backward-compatible, so generally speaking, you can safely add faster memory to a computer that was designed to run slower memory. Here's some relevant information from Crucial on memory speeds (emphasis mine): You could add the 1600 MHz memory for your MacBook Pro even though it's designed for a slower memory (1066 MHz) - it ought to work, but you'd be better off buying from a place that accepts returns.