Hello,

A quick trick here to enable the disk performances view in the new task manager since Windows Server 2012.Indeed, in Windows 8/8.1, by default, you can see the disk’s performances, with usefull informations as read/write speeds.

In Windows Server 2012, by default you get :

To get the disk view, you have to enable it with that command :

Diskperf -y

Note : You need administrator permissions.

Once enabled :

You need to do this one time, it persists after reboots.