How to add RAM on DELL OptiPlex 7010 Slim Desktop - YouTube
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CMS 8GB (2X4GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 7010 (Mt, Dt, Sff) - A71 at Amazon.com
Dell OptiPlex 7010 SFF Desktop PC with Intel i7 Processor, 16GB Memory, 240SSD Hard Drive and Windows 11 Pro Pro (Monitor Not Included) - Used Like New - Walmart.com