The bus speed. MBPs one and a half years ago all came with standard mhz. Now they are at mhz. The PC3-xxxx designates the particular RAM's speed rating and means that the memory certified as able to run at that bus speed. I assume that means the memory Apple uses will have the same overall specs as what you would purchase in a third-party market.
I find that it doesn't make any difference where you buy the RAM as long as the vendor is reliable, has a reasonable returns policy, and provides a product with a manufacturer's Lifetime Warranty. They all run at Mhz Nov 1, AM. Communities Get Support. Sign in Sign in Sign in corporate. Browse Search. Blastman Golden Member. Oct 21, 1, 0 Blastman Many thanks for the reply.
And what about "triple" channel? Thanks again. Deders Platinum Member. Oct 14, 2, 1 Just wondering what you use that requires more than 12GB? You could probably have 16GB in 2 channels but for bandwidth it would be better to go with 3. Not sure if the X58 supports having triple channel with different size sticks, you might have to go with 24GB.
Blastman said:. You get slightly less memory performance in hybrid mode but it will only really show up in memory benchmarks and real world performance will be fine. Last edited: Aug 22, Deders said:. Wasn't that implemented on later generations?
It would seem that Flex mode was introduced back in the later LGA boards so yeah it should be fine, but 6GB of it would not be triple channel.
Now if I go with 18GB, it should be like Last edited: Aug 23, Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Learn more. Will RAM work in a machine that came with ? Ask Question. Asked 9 years, 5 months ago. Active 4 years, 1 month ago. Viewed 2k times. I suspect the answer is that I won't have a problem, but I would just like to check. Improve this question.
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