What Graphics card can I use with a HP Prodesk 400 G6 MT? - HP Support Community - 8329278
HP ProDesk 400 G3 MT Intel Core i3 3.70GHz 8GB RAM 1TB HDD Windows 10 Pro | eBay
Refurbished: HP ProDesk 400 G1 MT i3-4130 3.40GHz 16GB 1TB Win 10 Pro 1 Yr Wty - Newegg.com
QCS - HP ProDesk 400 G5 Microtower PC Designed to fit the modern workspace, the HP ProDesk 400 MT provides a reliable and affordable PC that's scalable with business growth. Visit our
HP ProDesk 400 G5 Microtower PC - Components | HP® Customer Support