Best to rely on information from the manufacturer or those that actually do sell the product. Anyway, in this case the H5X User Guide does include H5D back in descriptions.
Best to rely on those you trust.
We have been a Hasselblad dealer, and have a verified history of providing factual data and support regarding Hasselblad products. We make substantial efforts to not be impacted by any sort of bias, and endorse an objective approach to solutions. The User Guide backs up the results from our own in house testing, which I had posted earlier in this thread.
Steve Hendrix/CI