Tag Archives: Memory

What SSD drives and RAM fit Late-2012 and newer Macintoshes?

Posted on March 14, 2020 by quill

Starting with the Late 2012 models, Apple changed the format of drives and memory in most Macs. ( Link to pre-2012 model list ) MacBook Pro and MacBook Air models (including all the “Retina” screen models) lost the ability to … Continue reading →

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Q. Overclocking RAM, what does that mean?

Posted on March 11, 2020 by quill

Q. I have heard of overclocking RAM – Is this possible at all? A. Yes, a computer has a standard memory speed it is designed for, and it is possible to increase the memory speed, if your memory and computer … Continue reading →

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Q. Do I upgrade my Drive or my RAM?

Posted on March 7, 2020 by quill

Q. What is better, a SSD Drive upgrade versus a RAM upgrade? A. It depends a lot on what you are doing with your computer, whether you have an adequate amount of either right now, and what your goals are. … Continue reading →

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Q. Why do I have to install my RAM modules in pairs?

Posted on March 1, 2020 by quill

Q. Why do I have to install my computer memory modules in pairs? A. Normally a motherboard addresses memory through a 64 bit data channel. When a computer motherboard is designed to use Dual Channel memory access, it can address … Continue reading →

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Q. My machine feels slower than before, what do I do?

Posted on February 25, 2020 by quill

Q. My machine feels slower than before, I have done all I know to make it feel like before but no luck – do I need to upgrade? A. Performance slows when your software demands more than your hardware can … Continue reading →

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Q. Why can you sometimes upgrade RAM to more than the manufacturer suggested?

Posted on February 21, 2020 by quill

1. How is that I can install more memory on my Apple machine than Apple supports? A. When manufacturers release a machine, the manuals are written with the available information at that time – for example, a machine may be … Continue reading →

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Q. Can I put Quad Channel RAM into a Dual Channel machine?

Posted on February 14, 2020 by quill

A. Single or dual or quad channel memory access doesn’t have anything to do with the individual RAM modules — an individual RAM DIMM is the same whether it is sold alone, or in a package of 2 or 4 … Continue reading →

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Q: What old generations of RAM memory are the same speed as drives?

Posted on December 12, 2019 by quill

A: RAM, of any generation, has always been much faster than hard drives or SSD drives, and RAM continues to be faster. There are several reasons. Bus access: RAM is on a bus that is much ‘closer’ to the CPU … Continue reading →

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RyZen and DDR4 Memory – what to look for

Posted on September 10, 2019 by quill

AMD’s RyZen and RyZen third generation (Zen2) CPUs have rewritten the conventional wisdom around computer processors, the one that goes “Intel is the performance and innovation leader, and AMD follows behind with lower performance chips for the budget market”. The … Continue reading →

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Mac Pro Refresh 2019 – Expansion and memory

Posted on September 9, 2019 by quill

Apple finally brought a new Mac Pro design to the table. It is a return to the tower format, with some serious expandability and options. The CPU(s) are still Xeon workstation class processors, which means far higher expandability and bandwidth … Continue reading →

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DDR4 memory makes its debut

Posted on April 28, 2015 by quill

DDR4 memory starts shipping for desktop machines and servers. Through the years, the DDR Memory standard has been updated to DDR2, DDR3 and now DDR4 (JEDEC Satandard JESD79-4). It’s worthwhile to note that despite sharing the DDR name, each of these … Continue reading →

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Memory for the new late Apple 2014 5K iMac, Mac Mini

Posted on October 19, 2014 by quill

Apple has released a 2014 model of the iMac, with a stunning new “5K” 27 inch Retina screen.  Happily, unlike the previous Retina iMac models, Apple included upgradeable memory in this configuration. It can go to a maximum of 32 … Continue reading →

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Q. How do I add memory to an Apple Mac Pro tower?

Posted on January 27, 2014 by quill

There are three main generations of Mac Pro machines, each generation has particular RAM types and installation procedures The models from 2006 to early 2008 use FB-DIMMs with large heatsinks in 667 MHz and 800 MHz. These models have two … Continue reading →

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Q. What is Dual Channel memory?

Posted on August 9, 2012 by quill

Dual Channel memory access is a technique where the computer’s memory controller can access two identical memory modules as if they were one large module.  This gives a theoretical doubling of bandwidth between the memory controller and the memory.  In … Continue reading →

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Q. What Memory and Drives fit my MacBook Air?

Posted on June 12, 2012 by quill

Apple MacBook Air machines feature Intel processors and an exceedingly thin Aluminum body. None of the MacBook Airs have internal optical drives, Apple sells an external USB Superdrive (make sure to check compatibility with your MacBook Air when buying a … Continue reading →

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