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<title>I got 16 gigs of RAM</title>
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<div id="archival-notice">This blog has been archived.<br/>Visit my home page at <a href="https://zhimingwang.org">zhimingwang.org</a>.</div>
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<h1 class="article-title">I got 16 gigs of RAM</h1>
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<time class="article-timestamp" datetime="2014-11-25T16:28:30-0800">November 25, 2014</time>
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<p>Today I upgraded the RAM of my MacBook Pro mid-2012 to 2x8GB. I purchased the <a href="http://smile.amazon.com/dp/B008LTBJFW">Crucial 16GB Kit (8GBx2) DDR3/DDR3L 1600 MHz (PC3-12800) CL11 SODIMM 204-Pin 1.35V/1.5V Memory for Mac CT2K8G3S160BM</a> from Amazon, which cost me $146.64 after tax. I followed the <a href="http://support.apple.com/en-us/HT201165">official guide</a> as well as the <a href="https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Unibody+Mid+2012+RAM+Replacement/10374">iFixit guide</a>. To finish the job I needed a Phillips #00 screwdriver and a spudger, so I purchased the <a href="https://www.ifixit.com/Store/Tools/Spudger/IF145-002">spudger</a> and the <a href="https://www.ifixit.com/Store/Tools/54-Bit-Driver-Kit/IF145-022-1">54 bit driver kit</a> from iFixit.</p>
<p>The actual process was pretty simple. I had a little bit of hard time pulling out the bottom module and pushing in the top module, but overall it was smooth. The only stupid thing I did was that I forgot to push the battery connector back in before I closed the case; I only realized this when I was screwing in the eighth screw (that was a close one!), and had to unscrew everything again.</p>
<p>After I replaced the RAM modules, booting was just normal. And now I've got 16 gigs of RAM!</p>
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<a href="https://i.imgur.com/PGhdEGr.png" target="_blank"><img alt="About This Mac->Memory" src="https://i.imgur.com/PGhdEGr.png"/></a>
<p class="caption">About This Mac->Memory</p>
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<p>Want to run multiple memory hoggers <em>along with a Windows VM</em> (with 4GB of RAM)? No problem.</p>
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<a href="https://i.imgur.com/czDcVaK.png" target="_blank"><img alt="Activity Monitor->Memory" src="https://i.imgur.com/czDcVaK.png"/></a>
<p class="caption">Activity Monitor->Memory</p>
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<p>By the way, Yosemite is indeed really aggressive at RAM usage. I reserve my opinion on whether there's a memory leak. But so far the performance has been fine, even with 8GB of RAM.</p>
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