HikVision NVR: DS-7732NI-I4(B): "B" revision ?

Local seller has "B" revision, which is different to plain "DS-7732NI-I4":

1. HDMI output: 2 ports vs. 1
2. eSATA port (doesn`t exist on DS-7732NI-I4)

Description in English: https://www.sensorsecurity.co.za/app/uploads/2019/02/DS-7732NI-I4B.pdf
Description at Hikvision website(RU): https://hikvision.ru/media/storage/passport/2xxx/ds-7732ni-i4b.pdf (model is not shown for non-EE regions)
Mentioned at FW release notes...

HikVision NVR: DS-7732NI-I4(B): "B" revision ?