Windows 10 Pro for Workstations features include ReFS (Resilient file system), persistent memory, faster file sharing, and expanded hardware support. Windows 10 for WorkStations will be released as part of the Fall Creators Update. The new features are geared towards servers that are running mission critical applications or utilizing high end hardware. For applications that do not require the full Windows Server edition, this is a welcome feature. The expanded hardware supports allows Windows 10 to use up to 4 CPUs and up to 6TB of memory.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-unveils-windows-10-pro-for-workstations/