Is this enough power? (PSU)

CrashtardCrashtard Registered User regular
So I have this Dell Inspiron that needs a power supply to be functioning. I'm going to upgrade it to 4GB RAM and also this video card. The power supply available from Dell is a 300 watt unit. Basically I'm only going to use this computer for watching videos on my tv, so basically just for watching .mkv files in 720 and 1080. That should be enough power shouldn't it?

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  • RBachRBach Registered User regular
    edited June 2009
    What's in your computer now?

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  • slash000slash000 Registered User regular
    edited June 2009
    Yea, we need to know the processor type, the type and number of hard drives and optical drives, as well as whether there's any extra add on cards (wifi cards, sound cards, etc).

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  • travathiantravathian Registered User regular
    edited June 2009
    It'll be fine. I have a Core i7 quad core, 6gb of ram, 3hdd, a better video card and it all runs off a 380W power supply just fine. Too many people think they need 5,6, or 700W power supplies when you clearly do not. If you were going 2 or 3 video card, overclocking, multiple hard drives, etc then you need to do some math, until that point 300W will handle most anything.

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  • lowlylowlycooklowlylowlycook Registered User regular
    edited June 2009
    Actually the wattage of a PSU isn't that descriptive of how powerful it is. Really, you want to know how many amps it can put out over the 12V rails (i.e. how much power it can put out to the Motherboard and the video card.

    My impression is that Dells rating are pretty conservative and since you are getting a card that doesn't even need PCI-E power connectors I'd guess you would be fine.

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  • PeregrineFalconPeregrineFalcon Registered User regular
    edited June 2009
    If the system needs a new PSU anyways - which is what it sounds like - you can probably get a quality 3rd-party unit for the same/less money than the Dell 300W, and have more options available down the line as well as a quieter/cooler unit.

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  • CrashtardCrashtard Registered User regular
    edited June 2009
    Sorry for the late reply, crazy work day. It's running an Athlon X2 processor, which I'm not going to change. Only has one hard drive, and I'm not planning on adding another since it's just going to play videos anyway. No sound card, and I'm adding the video card I linked for HDMI support. It's also going to have 4GB RAM.

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  • CrashtardCrashtard Registered User regular
    edited June 2009
    If the system needs a new PSU anyways - which is what it sounds like - you can probably get a quality 3rd-party unit for the same/less money than the Dell 300W, and have more options available down the line as well as a quieter/cooler unit.

    Do you know where I can get something like this? I tried googling a bit, but I couldn't really find anything because of the stupid way Dell makes their PSU's rectangle shaped.

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  • SyphonBlueSyphonBlue Registered User regular
    edited June 2009
    Crashtard wrote: »
    If the system needs a new PSU anyways - which is what it sounds like - you can probably get a quality 3rd-party unit for the same/less money than the Dell 300W, and have more options available down the line as well as a quieter/cooler unit.

    Do you know where I can get something like this? I tried googling a bit, but I couldn't really find anything because of the stupid way Dell makes their PSU's rectangle shaped.

    All PSUs are rectangle shaped.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371023

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  • tsmvengytsmvengy Registered User regular
    edited June 2009
    SyphonBlue wrote: »
    Crashtard wrote: »
    If the system needs a new PSU anyways - which is what it sounds like - you can probably get a quality 3rd-party unit for the same/less money than the Dell 300W, and have more options available down the line as well as a quieter/cooler unit.

    Do you know where I can get something like this? I tried googling a bit, but I couldn't really find anything because of the stupid way Dell makes their PSU's rectangle shaped.

    All PSUs are rectangle shaped.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817371023

    Woah, not all power supplies will fit in OEM cases.

    OP, what is the model number of your computer? Inspiron __________

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  • PeregrineFalconPeregrineFalcon Registered User regular
    edited June 2009
    Yeah, the Athlon X2 thing + link to a low-profile video card makes me think he's rocking an Inspiron 531s or something similarly SFF.

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  • CrashtardCrashtard Registered User regular
    edited July 2009
    It's definitely a 531s. I guess by rectangle shaped I mean the funny oblong PSU that the slim cases use.

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  • Dark ShroudDark Shroud Registered User regular
    edited July 2009
    From the images I saw of a Dell Inspiron 531 is appears not to be a micro or slim case.

    So I might make the suggestion: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182159

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  • imperial6imperial6 Registered User
    edited July 2009
    From the images I saw of a Dell Inspiron 531 is appears not to be a micro or slim case.

    So I might make the suggestion: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182159

    Rosewill does not have a very good reputation, mainly because they have relatively weak 12v rails and are made cheaply, failing more easily and often than quality brands. For that kind of money you can get a 350-400 watt antec, corsair, or seasonic (all quality brands), assuming you do in fact have a case that fits a standard sized power supply.

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  • Dark ShroudDark Shroud Registered User regular
    edited July 2009
    imperial6 wrote: »
    From the images I saw of a Dell Inspiron 531 is appears not to be a micro or slim case.

    So I might make the suggestion: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182159

    Rosewill does not have a very good reputation, mainly because they have relatively weak 12v rails and are made cheaply, failing more easily and often than quality brands. For that kind of money you can get a 350-400 watt antec, corsair, or seasonic (all quality brands), assuming you do in fact have a case that fits a standard sized power supply.

    I did not know that. Thanks.

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  • tsmvengytsmvengy Registered User regular
    edited July 2009
    From the images I saw of a Dell Inspiron 531 is appears not to be a micro or slim case.

    So I might make the suggestion: http://www.newegg.com/Product/Product.aspx?Item=N82E16817182159

    The 531s is a slim case. A regular PSU won't fit.

    OP, it looks like your only option is a PSU from Dell...

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  • CrashtardCrashtard Registered User regular
    edited July 2009
    It definitely doesn't fit a regularly shaped PSU, or I would have just grabbed one and been done with it. It's definitely a slim case, and the PSU is probably 4"x4"x8" or some stupid size like that. I need to take it out tonight and measure it.

    Better yet, here is a picture.

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  • tsmvengytsmvengy Registered User regular
    edited July 2009
    It might just fit a TFX form factor power supply whether you buy it from Dell or not. So measure some dimensions and then shop around - you may be able to find one for cheaper.

    300 Watts is going to be more than enough power to run that system with that card.

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  • CrashtardCrashtard Registered User regular
    edited July 2009
    That's what I figured, it's not like it's going to be doing much. Thanks for the measuring tip, I'll try that out tonight.

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  • CrashtardCrashtard Registered User regular
    edited July 2009
    Have any of you had any experience with refurb PSU's? TFX had a new PSU that I could make fit in the case, but it's something like $65 for a 270w unit. I can get a refurb 300w from Dell for $35. Is that a bad idea?

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  • lowlylowlycooklowlylowlycook Registered User regular
    edited July 2009
    How long is the warranty on the refurb? $65 is a lot for even a high quality sub 300W PSU.

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  • CrashtardCrashtard Registered User regular
    edited July 2009
    I dunno. The refurb is only 34$ from Dell, which is more the price I'm leaning toward since it's not going to be running constantly anyway. Thanks for all the input everyone.

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