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4GB DIMM IBM-Lenovo ThinkCentre Edge 72 92 Small Form Factor 72 Ram Memory 5053772284142 | eBay
1GB Stick for Dell Optiplex 380 780 Mini Tower 780 Small Form Factor 780 XE Small Form Factor. DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
8GB (1X8GB) Memory for HP Envy Phoenix 860-100 Desktop PC Series DDR4 PC4-17000 2133 MHz Non-ECC DIMM (PARTS-QUICK Brand) at Amazon.com