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Author Topic: Best HDD for plug  (Read 12596 times)

darek

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Best HDD for plug
« on: 09 April 2010, 06:52:43 am »

Soon I'll get my first plug (guruplug), and I would like to buy another external harddrive specialy for it. Now I have Seagate Expansion (http://www.seagate.com/www/pl-pl/products/external/expansion/expansion_desktop/) but it's quite noisy (from time to time i can hear some scraching/tapingp or something like that).

Few weeks ago I read about Samsung Story with eco green drive inside (5400rpm sound like silence).

What do You think about Samsung HDD, or maybe You've got better drive?
« Last Edit: 09 April 2010, 07:24:15 am by darek »
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lou1z

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Re: Best HDD for plug
« Reply #1 on: 09 April 2010, 04:26:26 pm »

i've got 4 samsungs (eco's) in a pc and they run absolutely fine. cool, silent and are in a raid 10 setup. i'll be getting a 1.5tb for the plug when it arrives and sticking it in an antec mx01 casing which will mean that it never gets hot. the mx01 has an esata connector as well as usb2.
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alfon

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Re: Best HDD for plug
« Reply #2 on: 11 April 2010, 07:01:02 pm »

Soon I'll get my first plug (guruplug), and I would like to buy another external harddrive specialy for it. Now I have Seagate Expansion (http://www.seagate.com/www/pl-pl/products/external/expansion/expansion_desktop/) but it's quite noisy (from time to time i can hear some scraching/tapingp or something like that).

Few weeks ago I read about Samsung Story with eco green drive inside (5400rpm sound like silence).

What do You think about Samsung HDD, or maybe You've got better drive?

Just make sure your external drive is powered. Plugs don't like power-hungry USB devices.  At least this is true of Sheeva plugs - the Guruplugs have different power supplies, and the specs are as yet unknown - but I guess it would be wiser to play it safe with Guruplugs too, at least until there is enough collective experience to the contrary.

Best regards,
Alf
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darek

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Re: Best HDD for plug
« Reply #3 on: 11 April 2010, 07:41:15 pm »

Well, I think I'll buy Samsung 2,5" 640GB, it should work well on USB only power-supply, i it doesn't then i'll buy other external case.
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alfon

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Re: Best HDD for plug
« Reply #4 on: 11 April 2010, 08:48:29 pm »

Well, I think I'll buy Samsung 2,5" 640GB, it should work well on USB only power-supply, i it doesn't then i'll buy other external case.

There have been several incidents of dead sheevaplug power supplies. In almost all of them, the plugs were used to power (via USB) an external drive (or other power-hungry device). Apparently, the current drawn by most USB-powered drives exceeds, at least temporarily (e.g. when spinning-up) the amount allowed by the specs of USB. This might not be an issue for the average PC, with its several-hundreds-of-watts power supply, but it is an issue for the plug, which is designed around the assumption of low power usage. So if you use a USB-powered drive with a plug, you may be courting disaster.

That said, it is true that:
- We don't yet know the specs of the Guruplug power supply - it may be able to handle the extra stress.
- I guess nobody knows how many people are actually using external drives powered by their sheevaplug via USB. Those who end up with a burned power supply are "visible" because they ask in the forums for solutions. But there may well be hundreds of sheevaplug users happily using their USB-powered drives with no problems whatsoever. Most of them will remain "under the radar".

Best regards,
Alf
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darek

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Re: Best HDD for plug
« Reply #5 on: 19 April 2010, 08:48:33 am »

But I don't wan't to burn my Guruplug.
I've got already Samsung Spinpoint M7E HM641JI 640 GB, but only with USB power supply. I cannot find any USB 2,5" External Case with PSU in box.
Maybe i should buy:
http://www.ppctechs.com/images/items/USB-YCABLE01.jpg

and:
http://www.itechnews.net/tag/ac-to-usb-power-adapter/

Is it good idea? or i need to buy external case with PS connector and PSU?
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el_rico

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Re: Best HDD for plug
« Reply #6 on: 25 April 2010, 03:42:43 pm »

But I don't wan't to burn my Guruplug.
I've got already Samsung Spinpoint M7E HM641JI 640 GB, but only with USB power supply. I cannot find any USB 2,5" External Case with PSU in box.
Maybe i should buy:
http://www.ppctechs.com/images/items/USB-YCABLE01.jpg

and:
http://www.itechnews.net/tag/ac-to-usb-power-adapter/

Is it good idea? or i need to buy external case with PS connector and PSU?
I'm not sure buying an AC-to-USB adapter is a good idea. In general, they are rated for the norm only (which is 500mA).
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Confusticated

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Re: Best HDD for plug
« Reply #7 on: 25 April 2010, 06:55:41 pm »

I don't yet have a plug but.....

If you are not fussy about wires or can figure out how to put stuff in a box yourself I recommend this:

Plexus USB to IDE & SATA Adapter With Power Adapter (Supports 2.5" / 3.5" IDE & Serial ATA Hard Disk)
http://www.ebuyer.com/product/136214

I use one of these all the time for my myriad of ancient HDD that I have lying around all over the place (as well as resolving software issues on more modern hardware for other people).

If you don't need SATA, there is this slightly cheaper version without it, I have yet to find a HDD power adapter alone this cheap.
http://www.ebuyer.com/product/130517


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Advocatus Diaboli - My agenda is not to give you the answer, but to guide your thoughts so you derive it for yourself!

darek

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Re: Best HDD for plug
« Reply #8 on: 26 April 2010, 07:45:16 am »

Well, i think I'll  plug up my another external drive (Seagate 1TB), it's got external PSU so It should work correctly, although it will be noisy :/
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unaiur

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Re: Best HDD for plug
« Reply #9 on: 26 April 2010, 02:51:09 pm »

You have to see the harddrive specifications. Samsung HM640JJ has an spinup power requirements of 1000mA. An standard USB port is designed to supply 500mA. You need: A) an hard drive case with a big capacitor B) use two USB ports.
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el_rico

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Re: Best HDD for plug
« Reply #10 on: 28 April 2010, 03:05:34 pm »

For HDD in USB case, this could be a solution: http://www.dealextreme.com/details.dx/sku.13526

-ec
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darek

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Re: Best HDD for plug
« Reply #11 on: 28 April 2010, 03:41:53 pm »

Nice but still hdd will drain power from Guru PSU, so same as case with one usb.
As I said before, I'll plug my 5,25" harddrive with external power.
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el_rico

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Re: Best HDD for plug
« Reply #12 on: 29 April 2010, 06:56:12 am »

You're right. Except if each port is limited to 500mA and plug PSU is able to deliver this on the 2 ports at the same time.

Bottom line: let's wait for the specifications and external PSU is the way to go for now.
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Roger

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Re: Best HDD for plug
« Reply #13 on: 29 April 2010, 07:16:44 pm »

darek: I'm also using a Seagate 500Gb Desktop Expansion drive, and I'm not having any problems with it.  Its on the desktop about 2 ft away, the Sheevaplug sits beside it and I don't notice it at all.  As its designed to be run off an external PSU, it won't have the chance to fry the plug PSU.

When the Guruplug arrives, it'll get connected to a 500Gb Medion drive with e-Sata and external PSU.  I don't envisage any problems with noise or reliability.
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