CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 790 Ddr3 Dimm - A66 at Amazon.com
Dell OptiPlex 790 Tower Intel Core i3 2nd Gen. 8GB RAM 256GB SSD Dual 22 in. LCD Windows 10 Professional - Discount Computer Depot
Dell Optiplex 790 SFF upgrade - Dell Community
Refurbished Dell 790 SFF Desktop PC with Intel Core i5-2400 Processor, 8GB Memory, 1TB Hard Drive and Windows 10 Pro Monitor Not Included (D790Ci58GB1TBW10ProKBMionly)
Amazon.com: DELL Optiplex 790 SFF Small Form Factor Business Desktop Computer PC (Intel Dual Core i3 CPU 3.3GHz, 4GB DDR3 Memory, 500GB HDD, DVDRW, Windows 10 Professional) (Renewed)'] : Electronics
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 790 Ddr3 Dimm - A66 at Amazon.com