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Thread: Be Quite! 850 PSU

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    Would you recommend Be Quite! 850W PSU or Enermax 850W

    Hello,

    I'm no stranger when it comes to building rigs but the most important aspect of any build is the correct PSU. "To power or not to power is the question" having not enough power is just and damaging as having too much although I must add this is one aspect where I can never make my mind up.

    I have done my own calculations and have come up with a figure of between 650W and 850W based on the power ampere given out on all hardware connected to the rig.

    1 x 220 x 220 x 30cm DC fan one in side door (LED)
    1 x 140 x 140 x 20cm DC fan one in the front of chassis (LED)
    5 x 140 x 140 x 20cm DC**
    ** Two fans in the bottom of the chassis blowing upwards, one blowing across GFX card, one sucking out at the rear and one sucking out air at the top of the chassis.

    MB: ASUS RAMPAGE EXTREME I
    RAM: 4GB DDR3 CORSAIR CM£X2048
    Processor: Intel Duo Core Quad Yorkfield Q9450 2.66GHz
    GFX Card: ATI 4870 DDR5 512GB RAM (Will be upgrading to 4870X2 in a couple of weeks)
    HDD's: Segate 1 TB, 2 x 500GB, 1 350GB (System backup HDD) These are brand new HDD with the latest firmware already.
    Sound: Creative Soundblaster X-Fi

    I think that just about covers everything... I would say between 650W and 850W although I have to count for the upgrade to a 2GB GFX card (within the next couple of weeks possible months depending of the price and if they drop or not)

    Thanks in advance and I would appreciate some feedback please because I can never make my mind up with.
    Last edited by Jonessie; 28-02-2009 at 12:28 PM. Reason: Oops I made a mistake

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    Re: Be Quite! 850 PSU

    Is useless.


    650w PSU would be adequate for your PC unless you were going to go crazy and have lots of graphics cards and power hungry components and plan on overclocking to the max.


    That said I would get a PSU where the max wattage I would be using would be half the max load of said PSU to have it running at it's best efficiency

    A BeQuiet PSU would be okay. All depends on how much you're going to spend on the PSU. Seasonic do a top MD12 PSU at 750 and 850 but they're expensive! But then again you were planning on getting the Galaxy so the Seasonic ones would probably be in your price range.

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    Re: Be Quite! 850 PSU

    I have heard of this one before and it pretty well on the ball when it comes to calculating the PSU... thanks for the link. WOW I was pretty close with my calulations and I even added my upgrade fro the GFX card as well.

    System Type: Quad Processor
    Motherboard: High End - Desktop
    CPU: Intel Core 2 Quad Q9450 2667 MHz Yorkfield
    CPU Utilization (TDP): 85% TDP

    RAM: 4 Sticks DDR3 SDRAM
    Video Card: ATI Radeon HD 4850 X2
    Video Type: Single Card

    SATA HDD: 4 HDDs

    Blu-Ray Internal Drive: 1 Drive
    DVD-RW/DVD+RW Drive: 1 Drive

    Sound Blaster - All Models: Yes

    USB: 4 Devices

    Fans
    Regular: 5 Fans 140mm; 1 Fan 250mm;
    LED: 1 Fan 140mm; 1 Fan 250mm;

    Keyboard and mouse: Yes

    System Load: 90 %


    Recommended Wattage: 792 Watts

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    Re: Be Quite! 850 PSU

    Quote Originally Posted by Jonessie View Post
    I have heard of this one before and it pretty well on the ball when it comes to calculating the PSU...
    Invest in a £10 power meter and find out what your true wattage is then you'll see how "on the ball" the calculator is.

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    Re: Be Quite! 850 PSU

    I have a budget of £180 for the PSU wich is more than enough, although I'm still not sure which one to get Be Quite! or the new Enermax which is 850W but has an output of 1000W. Be Quiet! has all the features you could possibly ask for in a PSU.

    Quote Originally Posted by moogle View Post
    Is useless.


    650w PSU would be adequate for your PC unless you were going to go crazy and have lots of graphics cards and power hungry components and plan on overclocking to the max.


    That said I would get a PSU where the max wattage I would be using would be half the max load of said PSU to have it running at it's best efficiency

    A BeQuiet PSU would be okay. All depends on how much you're going to spend on the PSU. Seasonic do a top MD12 PSU at 750 and 850 but they're expensive! But then again you were planning on getting the Galaxy so the Seasonic ones would probably be in your price range.

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    Re: Be Quite! 850 PSU

    Quote Originally Posted by moogle View Post
    Invest in a £10 power meter and find out what your true wattage is then you'll see how "on the ball" the calculator is.
    I have that's how I calculated all the components... I estimated between 650W and 850W this came in around 790 give or take for errors.

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    Re: Would you recommend Be Quite! 850W PSU or Enermax 850W

    Quote Originally Posted by Jonessie View Post
    I'm no stranger when it comes to building rigs but the most important aspect of any build is the correct PSU. "To power or not to power is the question" having not enough power is just and damaging as having too much although I must add this is one aspect where I can never make my mind up.
    That is not a true statement, I'm not being funny or pedantic but, You can never get problems or Damage from a higher rated PSU.
    The only downside to a more powerful PSU is the initial cost of buying it and also the increased cost of running it.

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    Re: Would you recommend Be Quite! 850W PSU or Enermax 850W

    Quote Originally Posted by Sputnik View Post
    That is not a true statement, I'm not being funny or pedantic but, You can never get problems or Damage from a higher rated PSU.
    The only downside to a more powerful PSU is the initial cost of buying it and also the increased cost of running it.
    Very true and one which I agree, I just returned a 1000W PSU and I had major problems with the PSU and I would never have this model again. Unfortunately I cannot name the PSU or manufacturer but this is the reason why I'm buying one again. The ENERMAX Evo range looks nice and it has all the cables I require for future upgrades asds well.

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    Re: Be Quite! 850 PSU

    As a ballpark figure for you my system (<- see left) with its full water cooling kit draws about 360W from the wall when fully loaded (that is Intel Burn Test and Furmark at the same time) factor in my PSU's efficiency ~85&#37; at that load, and you see that actually the PSU is only providing 306W going to a quad core will add a bit as will a second graphics card but 650W will always be plenty for your system.

    If a second graphics card is a realistic possibility (either as a discreet card or a move to an X2 card) then I would probably say get a PSU in the 750W range that will cover you for max load easily and give you reasonable efficiency under full load although you might want to consider what idle load would be as a more important figure for efficiency.

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    Re: Be Quite! 850 PSU

    Hold the phone, you have two 25cm fans?!



    Two of these?!

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    Re: Be Quite! 850 PSU

    As Moogle said - useless

    http://forums.hexus.net/hexus-hardwa...alculator.html

    I've just tried ti again, and results it's giving are still insane in some situations. That and you need to use the paid version before you get any 'useful' information.

    Gav summed it up with:

    Quote Originally Posted by this_is_gav View Post
    You didn't really read my post, did you?

    I stated several times that I don't have a problem with promotion, or with selling that product, but their means of doing so. A game publisher selling a demo is doing just that - you get a cut down version to play with, and if you like it, you might consider buying the full one. This isn't like that - it's offering worthless, free advice, which if followed on its own by those with little knowledge, can potentially harm that "brand new £800 bunch of parts".

    The full version can be handy for enthusiasts, but enthusiasts should know what's needed anyway. You shouldn't need an interactive webpage to tell you 13amps on a single 12v rail isn't going to power 2 hard drives and an HD2900 - there's certainly no point in the free product for them.
    Quote Originally Posted by Saracen View Post
    And by trying to force me to like small pants, they've alienated me.

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    Re: Be Quite! 850 PSU

    I was thinking on the lines of this one because I'll probably upgrade a little this year as well, changed the MB and processor to i7 this PSU should do nicely. It has all the cables one could must from a PSU in fact a lot more than one needs but for the future of computing it all there. I'm not bothered about the price because I have a refund from the previous PSU and I'll use it on this so I'm only putting out... what £53.00 on top of the refund, so it's still a good price.

    ERV850EWT - 850W Enermax Revolution85+ PSU, 91% Efficiency, 6x PCI-E 6+2P, 12xSATA, 6x12V 70A, PeakPower 1020W

    From Scan of course... where else?



    I know you should not drool over hardware but it's so nice liooking, I took a little look at the datasheet and looked at the spec and what comes with the PSU. ENERMAX always tend to put in the cable you need and not the cables you wont be using ever. This one is ready for the next gen of PCU and GPU which makes me smile

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    Re: Be Quite! 850 PSU

    i bought an 850W PSU.. and found my computer draws 690W (590 without the screens) at maximum load.
    so.. unless you're gonna get something that's about 1.5x as power hungry as mine (in 'my system') then you're wasting your money.

    EDIT: oh and btw.. that includes a printer, 5.1 speaker set, and a lamp btw.
    Last edited by matty-hodgson; 01-03-2009 at 02:00 AM.

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    Re: Be Quite! 850 PSU

    Quote Originally Posted by moogle View Post
    Is useless.


    650w PSU would be adequate for your PC unless you were going to go crazy and have lots of graphics cards and power hungry components and plan on overclocking to the max.


    That said I would get a PSU where the max wattage I would be using would be half the max load of said PSU to have it running at it's best efficiency

    A BeQuiet PSU would be okay. All depends on how much you're going to spend on the PSU. Seasonic do a top MD12 PSU at 750 and 850 but they're expensive! But then again you were planning on getting the Galaxy so the Seasonic ones would probably be in your price range.
    I have almost the same setup with a couple more harddrives and it barely hits 300W. Even including the X2 will only need 400W.
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
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    Re: Be Quite! 850 PSU

    Quote Originally Posted by arthurleung View Post
    I have almost the same setup with a couple more harddrives and it barely hits 300W. Even including the X2 will only need 400W.
    Yep, and I'm assuming thats not even factoring in the PSU efficiency so it'd be even lower. My old overclocked setup struggled to get 350w under load on both the GPU and CPU.

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