solid with usb issues
352493
Nice stable economic board. Boots pretty fast and bios is simple. Only issue I have with it is the usb ports on the back panel. I have over 14 usb devices (mixture of 2.0 and 3.0) and if I have all of them plugged in to the usb ports on the back the board will freeze and require a reset. I have all the latest drivers installed so thats not the issue. There are other usb problems that i have noticed but I will not list them all out here. Just be aware that those back panel usb ports can be problematic. The only solution i have found to the usb freezing problem is to use usb headers. I can plug a bunch of devices into the usb 2.0 header ports and the board will not freeze. Other than the usb issues I think its great.
3463291
I ran some benchmarks. I used a 16gb USB 3.0 flash drive directly connected to a USB 3.0 port and then plugged in to the USB HUB. Also connected to the hub during testing  was a Razer Naga performance gaming mouse and a BlueTooth 2.0 EDR dongle. As you can see in this screen shot the results are quite close.
1788212
Giving 4*, because it took me 45 minutes that mic doesn't work on usb3 port. I also had constant disconnects.

Just don't use it on usb 3.0, as other commenters mentioned.

Apart from that, liking the device so far.

Also, there's a firmware update on logitech website, install it.
769041
I bought this for two features - USB 3.0 and 7 USB ports.  I have three USB 3.0 drives connected, a Logitech mouse and a cell phone.  I plan to add a Blu-ray drive in the near future and an external keyboard, so all of  the ports will get used!  All of ports work, but with a caveat that the hub doesn't always support hot insertion of a device. The disk drives transfer data a lot faster (I have a Win8 Ultrabook with a USB 3.0 port that shows the transfer speed).

I gave it four stars instead of 5 because of the hot switching issue.
Update August 2013 - This hub has stopped working as a hub. I can only connect one device to it. If I connect more than one device the hub stops working. Power cycling helps for a little while, but I think this design is flawed.  Too bad.
2575893
speeds are great (when plugged into USB 3.0)
however im not sure if mine is defective or not but, its allot more wobbly than i had anticipated
when the USB tip is pushed out and your trying to push it into a USB slot, it  has some give where it retreats back into the shell (like a turtle) seems weird to me that it doesn't lock in more solidly.
it makes it quite a chore to push it into the USB slot, and just feels wrong (squishy)
I have a different smaller drive from before that is of a similar style that doesn't feel like this, so idk
be aware of that i guess. (:
4803693
Fix all the problems I have with build-in USB 3.0 ports (ex: mount/unmount my HDDs every minutes). The switches are handy which I bought this for. External power is a plus. Nothing cons here.
4668360
Fitting into USB 2.0 is annoying  but other than getting it connected, it works great.
3771603
AUKEY has made a reliable, sturdy USB 3.0 to USB-C cable and sends 3 cables for a good price! Impressed!
It does support Qualcomm QC3.0, but sadly, one of the three cables refuses to work with quick charge - I don't really feel like returning the product over one of three cables.
As for the rigidity, I personally like the rigidity of the cables; the cables feel sturdier and don't flip and turn and get tangled up.
4629222
Endless problems with USB storage.
File/Folder permissions access denied (never resolved till this day and no one has answers)
Constant loss of connection to USB storage when transferring large amounts of data (For example applying properties on multiple files or transferring many files) connection with USB storage gets lost.
Everything else is OK so far but i did have signal lost while modem was still online and working.

I think its garbage.
4452291
Using the hub on a MacBook Pro (early 2011), so the USB 3.0 capability is moot in my case.  So far, however, seems all's well.  Occasionally get a disconnect with my wireless keyboard.  And upon waking from sleep state, one of my flash drives (I believe) seems to trigger an error msg about improper disconnect (for not ejecting first).  Thing is I ejected it before putting system to sleep.  So not sure what brings on the improper disconnect msg.  I have all the ports occupied with devices of one sort or another including a couple printers, external DVD drives, ext. HDDs, as well as another 4-port hub with an audio in-out device for my mic and headphones.  Handling everything well so far.  Here's hoping it lasts!
1169478
Everything worked at installation except the USB 3.0 ports connected to the board itself. After installing all the necessary drivers and making sure the BIOS settings were correct, my USB 3.0 devices didn't work with the USB 3.0 ports. My USB 2.0 devices worked, though. I sent a refund request to the company page but they told me to contact my dealer, which I can't do unless I leave a review.

I hope ASRock sees this and can offer some solution to my problem. It's a great product, but this one tiny flaw has made it more inconvenient to own.
989989
Great concept but the USB doesn't work on all versions of USB. Pay attention to the amps and current output required for your device. There are several outputs available in the market. It looks good, installs easily and is very handy.
2056312
Good USB hub with lots of ports. I wish the power ports would have also been data too, even if at a slower rate. I've plugged devices into the wrong side and been flummoxed by them not being detected. Also the data ports seem to not charge at all, so I have to switch back and forth depending on what I'm doing.
519938
Got this 4 port USB 3.0 hub on a lightning deal. Overall it's a decent hub and works fine with flash drives and similar powered USB devices. Where I ran into trouble was attempting to use several external USB 3.0 hard drives that have their own power. With the hub connected to several Toshiba P755 series laptops the powered external hard drives would continuously cycle between connected and unconnected and eventually bog down the laptops and never get connected. No problems with this hub and powered external hard drives when connected to a USB 2.0 port on these P755 laptops. Only when connected to the single USB 3.0 port on on these two laptops. As a test connected the hub and powered drives to an old desktop PC with a USB 3.0 PCI card and had no problems with the hub or external powered drives. Not quite sure what the problem is with the hub when connected to just the Toshiba P755 laptops and why separately  powered USB 3.0 drives would be an issue. I assume a problem with the laptop's Renesas USB 3.0 eXensible Host Controller hardware or it's driver.
3637048
Product works well, with reasonable performance on USB 3.0 connection, I have 2 of them as I do a fair amount of work with various raw drives on both Windows and Linux platforms. I have only had 2 issues since purchasing this product, 1 of the supplied USB cables became unable to function at USB 3.0 speeds, so I replace it and  the other problem was after I performed a firmware update and then both devices ended up with the same serial number and caused me a little trouble in the Linux "disks" GUI, I saved, patched, reloaded the firmware file to create unique serial numbers to fix that problem.
3599465
This enclosure is an amazing value proposition.  It functions well enough, and is darn cheap. The build quality is acceptable, it hasn't come open of it's own accord even after months of use, and the ports seem durable.

My only gripe is that it does not play nice with USB hubs.  My current laptop only has one full size USB port(dedicated to my mouse dongle) and two thunderbolt ports.  I have a USB hub (the juiced systems bizhub CROSSPROMO literally the perfect hub) plugged into a USB C port and when this is plugged in through that it disconnects and crashes the hard disk at steady one minute intervals.  Not good for the drive and scary when you're trying to transfer large amounts of important data!

As long as you have a dedicated USB type A port on your device,  I recommend this product.
913875
Great while new, but after a few months the usb ports got loose!