4GB Memory for HP ProDesk 400 G3 Microtower PC DDR4 2133MHz DIMM RAM (PARTS-QUICK Brand) at Amazon.com
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HP ProDesk 400 G4 - Intel i5-7500 3.4 GHz, 8 GB, 256 GB, Windows 10 Pro 3 Year Warranty
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Amazon.com: HP ProDesk 400 G3 "Professional Mini" Desktop Computer, 7th Gen i5-7500T, 4 GB Ram, 500 GB HDD, Intel HD Graphics, Black/Gray : Electronics
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HP EliteDesk 800 65W G2 Business Mini PC Desktop Computer/Intel Quad-Core i5-6500T up to 3.1GHz/ 8GB DDR4 RAM/ 256GB SSD/WiFi/Bluetooth/USB 3.0/ Windows 10 Professional OS(Renewed)
Amazon.com: HP 793739-001 System board (motherboard) - ProDesk 400 G3 MT : Electronics
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HP Business Desktop ProDesk 400 G6 Desktop Computer - Intel Core i5 9th Gen i5-9500 3 GHz - 8 GB RAM DDR4 SDRAM - 256 GB SSD - Small Form Factor
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