why are all these reviews for the 7 port hub when its a 4 port hub???
182337
Amazon doesn't do a very good job of separating the reviews for different versions of the same product. You'll find this with many products. Including movies.
121681
I have not seen anything on the device or on the box or in the instructions that says that it is limited to 500 on each port.I am suggest you ask the manufacturer about that because That information is not there to be found.Ask corporate for an answer.
1308223
No. Not at all. I use it at work and I'm using all 4 ports with no problems.
2097573
Don't quite know what you are asking. We have a 7-port usb hub and though we use it for only 3 devices + 1 once in awhile, it works like a charm. Since there are 7 slots, it will take 7 devices.
1798671
I have had sporadic problems with my hub. It may well be problems with your device manager and whether the USB ports work consistently. Problems atr sporadic and hard to diagnose because of that.
189200
I know this is really late in response but I found that the 7 port hub would not work with usb 3 on my computer. I don't know if this is something to do with my computer's usb 3 chip set or if the hub is just bad. My computer is an HP Pavilion dv6. I had purchased 3 of the 7 port versions and all of them had the same result. They worked fine as a USB 2.0 hub but I really need the USB 3.0 version. Since they worked just fine with USB 2.0 I am thinking this is a chipset issue or firmware issue.
594082
You need to connect the AC power to power this 7 port hub. It come with the unit.
258813
You may want to consider this 10-port hub from Plugable Technologies. Lots of nice features, moderate price, and a 5-star avg rating from users.Plugable USB 2.0 10 Port Hub (with Power Adapter)
2005294
MANUFACTURER ANSWER: Thank you for posting your question. External drives tend to be extremely power hungry because they have motors along with their electronic circuitry. They usually draw the maximum current that is allowed from a USB 2.0 port (500mA) or even more. Because of this, I would not recommend running four USB-powered external drives from this hub. It is designed for a typical mix of USB devices, such as a keyboard, mouse, flash drive, etc., including an external drive or two. The AC adapter for the hub supplies a maximum of 2.5 amps, so if the four external drives you mentioned each drew 500mA, then that alone would put the AC adapter near its capacity. Because external drives often draw more than the specified limit, especially when starting up, I would be concerned that a drive might disconnect suddenly due to lack of power during a write operation, possibly corrupting data on the disk. To be safe, I would recommend a maximum of three external drives if they were by themselves, or two if other devices are attached to the hub. For using more drives, I recommend our 7-port USB 2.0 hub with a 3.0 amp power supply (http://plugable.com/products/USB2-HUB-AG7) or one of our USB 3.0 hubs (which work on USB 2.0 ports), with 4.0 amp adapters. I hope this answers your question. David, Plugable Support
2043806
We'd like to know too - we just bought a second one and 4 of the ports stopped working within the week!
1650671
All I know is this. It is non-powered hub. Works for multiple flash drives *as many as three have worked at the same time for me*, but if you try external hard drives you will run into difficulty because there is insufficient power from a single USB port to run multiple devices that need more power. t
1913980
All 4 are 2A ports. I plugged an extension box into mine; so not only do I have the 4 ports, I also have 5 more lighter sockets available for when needed.
2097576
David, I am going to guess you probably have a defective one, or the power supply is not providing power, do you have a green light? I use all 7 ports, but if I was to unplug it it would fail, if you do have a green light than send it back as it is having trouble, also I would not recommend keyboard / mice, while I have not had trouble for short periods of time, when I went long term sometimes I would need to reset the hub to find the device. While I would not recommend it, in theory you can daisy chain these things up to like 122 devices, but I would urge no one to do it as I have no idea how it would go on powered hubs like these
1966743
NO! It is a powered hub. Having said that, I love these puppies. I've got 5 total in use and highly recommend them. (See my earlier review.) on USB 3 items, they'll draw power from their own power supplies and the computer itself, you DON'T ever want to take a chance of burning out the USB on your puter or the device (Like hard-drives) due to a low power situation, EVER!The plugable 7 port hub is lighted to let you know when the device is properly connected and powered, on each port.
1300321
If you notice the spacing on the ports, the designer is trying to indicate that you will have 4 ports to work with. But technical, all ports do the same thing. So, for example, if you currently have an Ethernet cable connected to your computer, you can disconnect that cable from your computer and plug it in to the far most left port yielding you 4 ports to work with whereupon one of those would be consumed by your PC, netting you 3 more ports. But technically, it doesn't matter what cable goes in what port. You end up netting 3 additional ports in this example I have given.
1017137
I actually have the 4-port version and it works perfectly with removable hard-drives and it also works well with an internal hard drive that I have placed into a USB 3.0 powered external hard-drive enclosure.
1549852
There are two ports. One is a USB 2.0 and the other is a combo eSATA/USB 2.0. I satisfy the need for more with a hub.