64GB (4X16GB) DDR3 1866 DIMM Apple Mac Pro Late 2013 A1481 MacPro 6,1 Memory Ram - AAA Polymer
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64GB (2x32GB) DDR4 2666MHz SODIMM notebook Memory (Ram) for Mac mini late 2018 | eBay
RAM HYNIX Buy in Multiples 8GB PC3-10600 1333MHz DDR3 ECC SDRAM 240-pin Mac PC | eBay
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CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.5 13" Mid-2012 - A7 at Amazon.com
Factory Original 64GB (2x32GB) Memory Upgrade for 2020 & 2019 Apple iMac 27" w/Retina 5K Display & 2018 Apple Mac Mini DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v RAM Adamanta at Amazon.com
Why does additional ram on an Apple computer cost so much? Is this because of the operating system or anything else? - Quora