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 Message Boards » » what voltage power supply for seagate external hd Page [1]  
ScHpEnXeL
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so, it's model # 9W2681 - 540

basically looks like this: http://www.ciao.co.uk/Seagate_Hard_drive_160_GB__18110

i lost the power supply. i've got plenty of variable voltage ones around here but no idea where to start with and have a shit ton of data on this drive i dont need to lose. so, any ideas on voltage? thanks.

12/8/2006 6:06:44 PM

Quinn
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12V

good luck if otherwise

12/8/2006 7:05:48 PM

windhound96
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mine looks exactly like that, only its an 80 gig

the supply is 12 volts at 3 amps

12/8/2006 8:40:43 PM

smoothcrim
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all ide drives are 12v

12/8/2006 9:16:41 PM

Bakunin
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^the 4-pin connector has 5V and 12V and all the drives I can recall the power consumption specs for can or do use both rails... I really don't think it's accurate or appropriate to make that generalization here.

12/9/2006 9:10:49 AM

LoneSnark
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It is far easier to turn 12V into 5V than it is the other way around.

However, power adapters have a long cord and voltage drop is a design consideration, so it is possible the actual requirement is 15V. Then again, most designers just get around this by over-sizing the PSU, hence why a tiny router usually gets a 3A PSU.

Either way, if it calls for 15V and you give it 12V it should still work.

What bothers me is that you have the drive and yet cannot find out the PSU, the requirements should be written next to the jack. "12V" "3A" whatever.

12/9/2006 9:46:06 AM

darkone
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This information is almost always printed on the case next to where the adapter plugs in. It will normally list the voltage anf polarity. You're sure it's not there?

12/9/2006 12:06:05 PM

quagmire02
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Quote :
"What bothers me is that you have the drive and yet cannot find out the PSU, the requirements should be written next to the jack. "12V" "3A" whatever."


Quote :
"This information is almost always printed on the case next to where the adapter plugs in. It will normally list the voltage anf polarity. You're sure it's not there?"


you'd think that kind of information would be on all products with separate adapters...but it's not...i have to mark a lot of my stuff when i get it so that i don't mix up my adapters when i move stuff around

12/9/2006 1:49:42 PM

Quinn
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i would be down right amazed if you found a netgear/linksys router with a 36W power supply....

12/10/2006 11:14:24 AM

Blind Hate
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Quote :
"i would be down right amazed if you found a netgear/linksys router with a 36W power supply...."


I indeed have an old Netgear wired 100 meg switch with a 12v@3amp supply. I have no clue why it is that beefy, but the box itself always stayed really really warm for a basic switch.

12/10/2006 11:58:11 AM

Quinn
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consider me amazed.

no way their enclosure could even come remotly close to disappating half that rating.

12/10/2006 12:20:58 PM

ScHpEnXeL
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12v worked, for anyone that cares

12/10/2006 7:00:07 PM

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