Power adapter input voltage of Seagate Backup Plus 3TB STCA3000101??

Hi guys,

does anyone of you knows what is the input voltage of the adapter included in Seagate Backup Plus 3TB Desktop Hard Drive model STCA3000101??
is it 100-240 like the normal laptop adapters/charger or pure 120 only?

this drive in new egg..

http://www.newegg.com/Product/Product.aspx?Item=N82E16822178110&Tpk=seagate%20backup%20plus%203%20tb%20usb%203.0%20desktop%20external

thank you in advance
8 answers Last reply
More about power adapter input voltage seagate backup stca3000101
  1. It would seem that is near top secret information - I did find a few sites which say the adapter works 100-240v but nothing I would consider reputable - absolutely nothing from seagate. Here is one of those... note the source
    http://reviews.bestbuy.com/answers/3545/product/5597959/seagate-backup-plus-3tb-external-usb-3-0-hard-drive-questions-answers/questions.htm
  2. thanks a lot C12Friedman. i think this answers my question.
    Hopefully this drive is OK coz I'm planning to buy one this weekend.
  3. It doesn't specifically address the STCA3000101, but the following document spells out the power requirements for various Seagate products.

    How do I identify / differentiate between Seagate External power supplies?
    http://knowledge.seagate.com/articles/en_US/FAQ/204171en

    Generally speaking, the adapters for current external models are rated for universal AC voltage inputs and an output of 12VDC @ 2A, centre pin positive.
  4. I just solved a similar question - i.e. what is the DC input voltage and current for the Seagate Backup Plus 3TB (Model 1DXAP3-500). Found the answer to both your input AC question and my DC requirements in a helpful close-up picture on Seagate.com. It was the factory power supply for the drive, and although the model shown has interchangeable mains input pins (it was pictured with the European round pins), the shape of the moulded case was the same as mine, the input range on the legend was the now-common 110-240VAC, and the output was 12VDC at 1.5A, center pin hot. So I was able to pull out a random power supply and power up my trusty drive safely.
  5. C12Friedman said:
    It would seem that is near top secret information - I did find a few sites which say the adapter works 100-240v but nothing I would consider reputable - absolutely nothing from seagate. Here is one of those... note the source
    http://reviews.bestbuy.com/answers/3545/product/5597959/seagate-backup-plus-3tb-external-usb-3-0-hard-drive-questions-answers/questions.htm


    Watched an unboxing video. Looks like 12V 1.5A.
  6. cyclone82 said:
    Hi guys,

    does anyone of you knows what is the input voltage of the adapter included in Seagate Backup Plus 3TB Desktop Hard Drive model STCA3000101??
    is it 100-240 like the normal laptop adapters/charger or pure 120 only?

    this drive in new egg..

    http://www.newegg.com/Product/Product.aspx?Item=N82E16822178110&Tpk=seagate%20backup%20plus%203%20tb%20usb%203.0%20desktop%20external

    thank you in advance
  7. Hey cyclone82 : As well as the Voltage and Current specs you should also be aware of something I just discovered :
    Here are the details :


    Experimentation has revealed that my original problem of the Seagate 3T Drive not mounting had nothing to do with either the OSX Version I'm using or which Mac Mini I'm using. The whole problem seems to be the Drive itself is not spinning up properly because of some stupid DC power plug issue between different Wall Adapter brands (even though they both meet the DC Voltage and Current specs. required by the drive). The plug associated with the Seagate-supplied adapter is slightly smaller diameter and shorter in length than the plug supplied with the off-the-shelf adapter I purchased (Antoble model LD-12069). Using it's DC power plug, the Drive will absolutely NOT spin-up properly, whereas, the Seagate Wall Adapter supplied with the Drive works perfectly now in both Macs. The plug supplied by Seagate with it's Drive seems to be a very custom size (WIERD !!). So the take away seems: Be very careful which substitute wall adapter you use on this particular Seagate Drive !!! The DC plugs may not be compatible !!
  8. Most external drives uses 12 V as input voltage.

    For reference all WD externaldrives uses 12 V
    http://support.wdc.com/KnowledgeBase/answer.aspx?ID=1378
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