@RicoRelic There is no option to spin down a HDD drive for a certain time. You can login to the web UI to disable the corresponding USB sharing options manually to turn it off. May it help.

@David2803 What is the model number of the TP-Link modem? What is the led status of the TL-WR720N when you lost packets? Can you get internet from WR720N at that time? Try to ping the gateway of...

@Rpat I agree with Arche rC8, the latest one would be better, cause it has the new wireless technology, like MU-MIMO and onemesh, which can be used to improve the performance of the wireless...

@Tin The wireless channel supported by 5GHz varies due to different country versions of the router. Please check it of your own Archer C6 which is printed on the back panel, next to the model number....

@Owling The Archer C20 V4 do not have the range extender option, V5 does. You can setup the Archer C20 as the range extender via WDS bridging function. Below is the instruction to set it up....

@breek Thanks for your updates, glad to hear that you figured it out. Please let us know if you have any further problem. Good day.