HP (0192545812238 / 2M3UQ22) - Realtek ALC3601 - DMI3 - SFF - SD - Not available - HP Audio Switch, HP System Event Utility - DDR4-SDRAM - Dual-channel - DVD-RW - Coffee Lake - 8th gen Intel® Core™ i5
HP (0190781846949 / 2M3DX82) - DMI3 - SFF - Not available - HP Optical Drive, HP USB Mouse - HP BIOSphere Gen3 - Enterprise,Small Business - DDR4-SDRAM - Dual-channel - DDR3L,DDR4-SDRAM - Intel® HD Graphics 630
HP (0190781585565 / 2M3CQ76) - DMI3 - SFF - Not available - Serial ATA - HP BIOSphere Gen3 - Enterprise,Small Business - DDR4-SDRAM - Dual-channel - DDR3L-SDRAM,DDR4-SDRAM - Intel® HD Graphics 630 - DVD Super Multi
HP (0190781626961 / 1JJ58EA) - DMI3 - SFF - Not available - HP Optical Drive, HP USB Mouse - HP BIOSphere Gen3 - DDR4-SDRAM - Dual-channel - DDR3L-SDRAM,DDR4-SDRAM - Intel® HD Graphics 630 - DVD Super Multi