USB solution ?

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gnfb

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#119578 6-Jun-2013 16:03

Dont know if I am the norm but I have a computer with 4 usb sockets at the back 2 at the front I plug into that a dlink powerded 8 port hub and a non powerded chaep and nasty 4 port hub.
I have about 15 usb things that need to be plugged in. The usual phones cameras barcode readers etc.
I've noticed of late that the usb things are getting a "bit glitcchy" not connecting without trying diffrent ports etc etc

1.Is it better to use powerded usb ports?

2. Is it better to have 4 port hubs or 8 port?

3. should i really bother about 3.0 over 2.0?

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LennonNZ

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#831674 6-Jun-2013 16:21

1.Is it better to use powerded usb ports?

Powered yes better if you have a lot of devices off it.

2. Is it better to have 4 port hubs or 8 port?

Depends how many devices you have plugged in.. you can't plug in 5 devices into a 4 port hub

3. should i really bother about 3.0 over 2.0?

Do you have any USB3 devices?

Also to note.. a few computers the front USB on the case was USB1 only...

richms

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#831843 6-Jun-2013 21:02

I have never seen an 8 port hub, there are plenty of 7 port ones, but the cheap ones are 2 4 ports internally.

Different USB hubs are better or worse performing. I got a really nice reliable 10 port one off ebay. Then bought another the same 4 months later and its a totally hopeless piece of junk. It is also 3 4 port hubs cascaded, instead of the 7 and 4 port that the first one was.

Some hubs that can take a power adapter will backfeed into the USB port when the PC is powered down. I have found this on a few cheap ones that just put the power supply in parallel with the incoming USB power instead of using a diode to stop the backfeeding. This makes the computer hang at the post screen after a power cycle till the USB is pulled out and the computer reset.

USB3 has solved most of the drop out issues, and also the "This device would be faster on a USB2.0 port" popups that keep coming up in windows on the onboard ports with any hub I try.

Richard rich.ms

gnfb

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#832279 7-Jun-2013 13:07

Ok ended up getting one of these

UH-U213PP

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richms

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#832297 7-Jun-2013 13:59

Looks exactly the same as the DSE one I got a while back, only recently retired it in favour of a USB3 hub which really does help with accessing multiple USB2 devices on the hub at once.

Richard rich.ms