Windows 10 Pro for Workstations is a high-end edition of Windows 10 Pro, comes with unique support for server grade PC hardware and is designed to meet demanding needs of mission critical and compute intensive workloads.
We know that power users have unique needs to run efficiently and we take the feedback we hear seriously. Much of that valuable feedback comes through the Windows Insider Program. Today we are very excited to announce a new edition of Windows 10 Pro designed to meet the needs of our advanced users deploying their Workstation PCs in demanding and mission-critical scenarios. Windows 10 Pro for Workstations will be delivered as part of our Fall Creators Update, available this fall.
Not sure why Microsoft needs another SKU for Windows 10 no mention of price or features just that it works on high-end computers.