Consumer Intel ME region, version 16.0.0.1423, for H chipsets at stepping A, production build. The RGN tag marks it as a ready region image.

Intel ME firmware version 16.0.0.1423 for Consumer H-series PCH platforms, stepping A, production, delivered as an extracted region of 3.00 MB.

Intel ME firmware region, version 16.0.0.1423, in a RAR archive of about 1.7 MB; the CON, H, A, PRD and RGN tokens read as Consumer, H-series, stepping A, production…

Stock RGN image of Intel Management Engine 16.0.0.1423, Consumer variant, H chipset, stepping A, production.

Corporate SKU Intel ME firmware, version 16.0.0.1423, for an H PCH, stepping A, production, extracted image with an N suffix whose meaning the name does not explain.

PDF schematic in a 2.16 MB RAR archive for board 14238-1, a number following the Wistron pattern.