marginal help as the USB is 5 volts dc and a port will supply up to
500ma or 1/2 amp. Since P=IE, not using a port would save at best 2.5
watts or less than 1% of the PSU output.

frankg wrote:

> An under powered older computer with a 260 watt psu is having some problems
> running a few USB devices.
> One possibility is exchanging the PSU for a higher watt rating.
> But would attaching the devices to a USB Hub with it's own ac power cable
> alleviate the load on the PSU ?
>
>
>