Network Adaptor (Ehernet Connector on PC) check speed

To check speed of Network Adaptor

RUN
CMD
Type  wmic NIC where NetEnabled=true get Name, Speed

Returns as below  which is a Gigabit Connector (1000000000)

Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\xxxx>wmic NIC where NetEnabled=true get Name, Speed
Name                                         Speed
Intel(R) 82566DC Gigabit Network Connection  1000000000

C:\Users\xxxxl>