WD 3 TB My Cloud to WD My Cloud EX2 Ultra

My Cloud OS 3 Personal & Network Attached Storage My Cloud EX2
1

So simple question: Can I take the HD out of my WD 3 TB My Cloud and put it inside my WD My Cloud EX2 Ultra?

2

Yes, there is no problem to use WD RED Drive from WD Mycloud in other WD Mycloud