[NickM]

nik-ia, это норма.

Microsoft® reserved partition (MSR) Beginning in Windows 10, the size of the MSR is 16 MB. Add an MSR to each GPT drive to help with partition management. The MSR is a reserved partition that does not receive a partition ID. It cannot store user data.

https://msdn.microsoft.com/en-us/lib...(v=vs.85).aspx

У Вадима в статье тоже об этом сказано, https://www.outsidethebox.ms/16075/