Standard_H8m_Promo is an Azure VM size with 8 vCPUs. In East US it costs $0.727 per hour on demand ($530.71 per month) for Linux. It is sold in 13 regions; the cheapest is West US 2 at $0.64 per hour.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.