User manual HP Prodesk 400 G6 SFF (English - 14 pages)
HP ProDesk 400 G6 Mini vs. HP ProDesk 600 G6 Mini Comparison
HP ProDesk 400 G6 Mini – Specs and detailed information
HP ProDesk 400 G6, Small Form Factor Desktop, Intel Core i3-9100 with integrated Intel UHD Graphics 630 (3.6 GHz up to 4.2 GHz), 8 GB RAM, 256 GB NVMe SSD, 9.5 mm
HP ProDesk 400 G6 Microtower PC | 9th Gen Core i5 Processor, 4 GB DDR4 RAM, 1.5 TB HDD
HP ProDesk 400 G6 Desktop Mini PC Specifications | HP® Customer Support