Power supply emits a loud high-pitched noise

Even the power supplies never seem to fail

This SG108 power supply makes no noise and is rated 9v 0.6a which is comparable to your iPhone charger

DID have an early failure of the wall wart power supply (within 30 days, so Amazon swapped it out), but stuff like that happens...this one has been running fine for the last 8x months.

-R-O problems with these systems

I didn't have time to chat at the moment, so I used their e-mail support option.

-R-O problems with these systems

Steady 550 Mb/s

My house is completely wired for Ethernet and I needed plenty of ports to support all the computers, DVD players, smart TV’s and

Easy to set up and work ls perfect