Upgrades: PSU

I am looking for a PSU around the price of £50. My specs are Core i3 530, Asrock H55M-GE R2.0, 8GB DDR3 1600mhz, HD 5570 1GB, 2 SATA HDDs, 1 DVD RW and 3 fans. I use this computer for recording my voice and light gaming so I need a quiet PSU. What would you suggest I get?
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  1. minimum psu wattage for your system (assuming your fans are 92mm normal not LED fans and that you have 4 sticks of ram and your hard drives are standard 7200rpm and that you have 3 other usb devices) is 320w. Recommended wattage is 370W.

    This is also with 30% capacitor aging applied which is enough to run that system 24/7 for over a year.

    As for brand Ive been using corsair for a while now. they are pretty quiet and they come with a single 12v rail which makes it easy to calculate how much of your amperage you have left (usually more crucial for higher end video cards when they require more amps than come on a 12v rail in some other psus with multiple rails).

    Here's one that you might like:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139018

    and here's the one I have in my living room pc:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139004

    The first one is cheaper but its not certified to be 80+% efficient even though it has active pfc... if you arent concerned with the certification then it'll work fine.


    edit: I didnt make the word corsair a link so dont click that... stupid adwords.
  2. Antec High Current Gamer HCG-400 80Plus Bronze £48
    http://www.scan.co.uk/products/400w-antec-high-current-gamer-80plus-bronze-135mm-quiet-fan-atx12v-23-eps12v-v291-psu

    Seasonic S12II Bronze 380W £47
    http://www.scan.co.uk/products/380w-seasonic-s12ii-380-85-eff-120mm-fan-active-pfc-rohs

    Silverpower Green Power SP-SS-400 400W 80Plus £41
    http://www.scan.co.uk/products/400w-silverpower-sp-ss-400-green-power-80-plus-sli-crossfire-120mm-fan-atx-12v
    These first three are all Seasonic built, there are probably reviews of them available, but I haven't searched for them yet.

    Antec Earthwatts Green EA-380D 80Plus Bronze £38
    http://www.scan.co.uk/products/380w-antec-ea-380d-earthwatts-green-80-plus-bronze-82-eff-eps-12v-80mm-fan-atx12v-v23
    Doesn't come with a power cord, so will need to source one from elsewhere. The Anandtech review showed that this was quite quiet (despite the 80mm fan) up to about 80% load, which I doubt you would hit with the above spec.
    http://www.anandtech.com/show/3902/antec-earthwatts-ea-380d-green-380w

    The TDP of the i3-530 is 73W, the TDP of the 5570 is 43W. These are going to be far away the most power hungry components in your PC. So lets add a 100W to that to make a total of 216W, which would only be drawn on full load, which you would have to running stress testing software to do. So a 500/550W PSU is overkill unless you want to be able to upgrade to a more power hungry graphics card later on.
  3. Silvune said:


    The TDP of the i3-530 is 73W, the TDP of the 5570 is 43W. These are going to be far away the most power hungry components in your PC. So lets add a 100W to that to make a total of 216W, which would only be drawn on full load, which you would have to running stress testing software to do. So a 500/550W PSU is overkill unless you want to be able to upgrade to a more power hungry graphics card later on.



    I used the extreme outervision power supply calculator to find what he will need not guesswork. the 15w for the mobo, the few watts for each ram stick add up and just adding an extra 100w to the combined wattage of the cpu and vid card doesnt always cut it. That being said if he were to buy one of the ones you recommended he would end up having to replace it in a few months or so when he wanted to upgrade his cpu or his video card. Going the extra mile to a 550 will give him a little more breathing room.
  4. shin0bi272 said:
    I used the extreme outervision power supply calculator to find what he will need not guesswork.

    You added 30% capacitor aging, that's guesswork.
  5. I would suggest you buy the best you can get at that price.
    The higher the wattage the better imo = future upgrades
    OCZ Fatal1ty 550w Silent - £42.98 inc vat - modular
    http://www.novatech.co.uk/novatech/prods/components/powersupplies/ocz/ocz550fty-uk.html
    Corsair Builder Series 600 Watt - ONLY £46.93
    http://www.box.co.uk/Corsair_Builder_Series_600_Watt_Atx_PSU__1010262.html
    OCZ 500Watt ModXStream Pro PSU - £48.90 inc.VAT - modular
    http://www.eclipsecomputers.com/product.aspx?code=PSO-500MXSP
    OCZ Technology StealthXstream II 600W - £50.99 inc VAT
    http://www.overclockers.co.uk/showproduct.php?prodid=CA-046-OC
    OZC psu's have a 3yr warranty, quiet,efficient and represent an excellent value price and performance wise.
    I've been using one for over 1yr and highly recommend them.
    http://www.hardwaresecrets.com/article/OCZ-ModXStream-Pro-500-W-Power-Supply-Review/973
    http://www.hardwaresecrets.com/article/OCZ-StealthXStream-2-600-W-Power-Supply-Review/1058
  6. Ill be getting the Corsair Build Series 420w ONLY £35 from Amazon.
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