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OptiPlex 790 (SFF) Removal Guide for the Memory, Fan Shelter, System Fan, Power Switch Cable and Coin Cell battery | Dell UK
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Dell OptiPlex 790 SFF – Specs and upgrade options
Mini Tower PC Dell Optiplex 790
DELL Optiplex 790 Tower Computer PC, Intel Dual-Core i3, 500GB HDD, 16GB DDR3 RAM, Windows 10 Home, DVD, WIFI, USB Keyboard and Mouse (Used - Like New) - Walmart.com
How to add RAM on DELL OptiPlex 790 Slim Desktop - YouTube
What size is the Dell Optiplex 790 motherboard? - Quora
Dell OptiPlex 790 SFF Desktop - Intel Core i5-2400 3.1GHz, 8GB RAM, 500GB HDD, DVD-ROM, Intel HD Graphics, Microsoft Windows 10 Pro 64-bit, 1 Year Warranty, Grade A Refurbished - PC1-0709-REF at TigerDirect.com
2GB Memory Upgrade for Dell Optiplex 790 MT/DT/SFF DDR3 PC3-10600 1333MHz DIMM Non-ECC Desktop RAM (PARTS-QUICK Brand) at Amazon.com
Dell OptiPlex 790 DT – Specs and upgrade options
Customize Your Own Dell Optiplex 790 Desktop Computer SFF Quad i5 3.1GHz and WIFI