Showing posts with label 7 port usb 2 hub. Show all posts
Showing posts with label 7 port usb 2 hub. Show all posts

10/09/2011

D-Link DUB-H7 High Speed USB 2.0 7-Port Hub Review

D-Link DUB-H7 High Speed USB 2.0 7-Port Hub
Average Reviews:

(More customer reviews)
*** Note: Several recent comments have stated that this product no longer comes with a worldwide voltage input (100-240V) power supply. That's a shame, and I'd definitely knock a star off the review if I could due to this change on D-Link's part -- I can only imagine it was part of a cost-cutting move. :-(
(Note that this review was originally posted in 2005, so it's been a LIFETIME for an electronic device and the DUB-H7's you buy today are likely quite dissimilar insofar as their physical construction goes compared to the ones from 2005.)
Original review:
I've had one for about six months now, and it's worked without problems. One of the things I particularly like with it is that it comes with one of the newer "slimline" power supplies that doesn't block other plugs, works anywhere in the world (100-240V), and is more efficient than the old "wall wart" power supplies.
Let me address some of the other comments here:
1) For the guy with the Lexar data card... it is a blight on D-Link's reputation that their technical support was clearly incompetent (this is sadly true of many companies today -- being pushed there in part by the relentless "drive to the bottom" by consumers who often care more about price than quality and support), but I doubt that even a really good company could have helped much. Although the hub may have somehow been at fault, it's also possible the Lexar card had problems -- even if it worked fine in other hubs. For the record, I've used a handful of USB drives with this hub without problems... although not a Lexar brand.
2) Regaridng plugging in a USB 1.0/1.1 device and slowing the hub down -- this doesn't actually happen, at least in the hub I received, but what D-Link is doing is hedging their bets (hence the word "may" -- which unfortunately these days many manufacturers use when the word "will" is more correct!): Inside the hub you'll find a VERY generic hub IC (actually, two of them), and D-Link has a lot of freedom to use different vendors' ICs based on price, availability, etc. All of them are USB 2.0 hubs, but ones without so-called "per port transaction translators" will drop to full speed (12Mbps) if any of the ports have such a device plugged into them. Happily, ICs like this are pretty much extinct today (when USB 2.0 first came out they were around). In any case, your solution of just getting two hubs certainly still applies. I agree this should be a little bit more prominently advertised, but so should a lot of things about USB, WiFi, etc. -- the oft-touted data routes of 480Mbps and 54Mbps (respectively) are pure fantasy, for instance, in real world applications.

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7 Port USB 2.0 Hub

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10/06/2011

7-Port USB 2.0 Hub, Black Review

7-Port USB 2.0 Hub, Black
Average Reviews:

(More customer reviews)
This USB hub works. Over the years, I've tried more than a dozen others, from Chinese no-name to Belkin and Griffin hubs with iPod docks and card readers. None of them has worked reliably, and I have ended up using my precious MacBook USB outlets (why only two??) for must-have external hard drives.
This new hub was a success right out of the box. It instantly allowed the MacBook to recognize everything I plugged in, and it has never hesitated, even with four hard drives running (I believe in backup), plus other bits and pieces. I am soooo happy not to have to wonder any more if I have a good connection.
The unit is certainly not the slimmest, if portability is important. Also, with the seven outlets all on one side, it is less convenient than the CablesToGo equivalent, which has four on one side and three on the other. That said, I now have it set up compactly, and can just forget about it.
The construction is solid, so I have no fear of damaging it with lots of replugging. The USB cable has a solid S Type connector (as is often used for printers), rather than the flimsy little camera style plug, which I assume helps performance. It also has a more than adequate power supply.
Of course, it could be that I just got lucky after years of lemons - but I don't think so. This unit is made to be functional, rather than simply looking slick, and it succeeds. Now I can get on with what I want to do, and not worry about those nasty crashes.

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