The first is used to backup the operating systems Win 7 and Win 8.1.1 with August update.
The backup takes place quickly and without complaint.
What more do you want.
The second "WD Elements Desktop External Hard Drive 4TB" service to secure the NAS with Synology DS214 + and will save immediately as an external USB hard drive erkannt.Auch here helps the USB 3 port time.
Everything is going fine. What do you want (s) more.
In addition, WD comes after about 30 minutes when independently in time be no new hits on this in the Stand By = Power Saving Function.
A flashing light indicates this. Also, one should appreciate knowledge.
A wake in access, lasts a very short time and already the WD Elements Desktop is again ready for use.
Am very satisfied.
Thanks to Amazon for the provision of the product.