On Thu, 2 Dec 2010, Neil Benn wrote: > Comments below: > > <snip> > > > > Four devices all plugged into the same controller are going to have to > > share bandwidth no matter what; there's no way around it. That's true > > even if you use a USB-3 controller and USB-3 hub. If the hub is > > powered, the devices can draw their power from the hub instead of from > > the controller. > > Yep but the USB3 controller has more bandwidth so I can stream more > data from my attached devices. That's not true. It has more bandwidth when communicating with USB-3 devices. When communicating with USB-2 devices, the bandwidth is the same as for a regular USB-2 controller. > >> What I'm looking for is to plug 4 USB2.0 highs speed devices to run > >> at high speed on a USB3.0 super speed hub. > > > > Why not use a USB-2 controller and a USB-2 hub? > > The reason for this is that I don't have enough bandwidth with one > USB2 controller - I'm trying to stream 4 cameras at 'whatever the > maximum is for a USB2 controller'. Then this won't work with a USB-3 controller either. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
