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It measures exactly 3.25" x 1.5" x 0.50".---The Kensington will work flawlessly for devices that do not draw an excessive amount of power from it. Kensington, Cables To Go, and CP Technologies all make powered USB hubs.I've had it for 2 years and I've had absolutely no problems with it - no trouble getting Windows (XP) to recognize it, no lost connections or trouble connecting, no faulty ports, etc.Specifications/Features------------------------ Non-Powered USB Hub- Supports USB 2.0 (also called Fast USB)The hub supports USB 2.0, which is capable of transfer rates up to 480 Mbit/s (vs.
-- i.e. it's not powered by an external power source other than the bus to which it's connected (non-powered hubs are also called bus-powered hubs).With a non-powered USB hub, you will not be able to connect devices that draw excessive power from it.
Despite the less-than-stellar ratings, this Kensington 4-Port hub actually works very well for my purposes.Non-Powered USB Port--------------------First off, this USB hub is NON-powered. However, powered hubs are typically significantly larger - and more expensive - than their non-powered counterparts.
This includes most external USB harddrives, USB scanners without an external power supply, and other devices that demand a lot of power from a USB port.You can, however, use it for mice, keyboards, Bluetooth or RF dongles, IR Receivers, Pocket PC's, MP3 Players, and a vast array of other devices that draw a only miniscule amount of power OR for devices that get their power from an external power source (e.g. printers).If you're unsure whether your device is a power hog, a sure bet would be to just get a *powered* USB hub.
the dismal 12 Mbit/s of USB 1.1).- Small and LightweightThe hub is lightweight and small, which makes it very portable. If you need a USB hub for devices that demand a lot of power from a USB port, you will need a powered USB hub.
Theoretically I should be able to plug both in to say, boot off of the DVD and restore from a backup, but even with an external power supply (variable voltage brick from radioshack) powering it, it refuses to work with the DVD. I bought this to go in my bag (essentially my office) and to use when I park the laptop at home. At home I have an external lacie hard drive for backups and an apple DVD for my macbook air. That was kinda the whole point. So, now I can use it for all my other stuff, just not when I have an emergency and really really need it to work.
This worked for a little while but after about 2 weeks it started shorting out. now it only works at a certain angle and if i move it it disconnects and reconnects then my computer says there is problems with it.
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