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Recommended PSU For My Build

I have been building a computer for a couple months. I don't have a lot of extra money, so I buy parts whenever I have spare money. I don't buy them all at once. I bought an apevia PSU for a build with my sapphire dual-x 280x. 750 Watts is the recommended watts for my GPU. So I did some math and research and figured out my PSU, the one I already bought will not be adequate. SO I would like some suggestions for a good PSU. I'm willing to spend up to 150$, but I prefer it to be around 100$

CPU: Intel Core i5-3470 3.2GHz Quad-Core

MotherBoard: ASUS P8Z77-V LK LGA 1155 Intel Z77

RAM: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-2400

HDD: Seagate Barracuda 1TB 3.5" 7200RPM

Video Card: Sapphire Radeon R9 280X 3GB Dual-X

Case: NZXT Phantom (White) ATX Full Tower

PSU I bought but will not work: Apevia ATX-CB700W
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  1. That Psu is more than adequate wattage-wise for that build. However, it's a crap quality product.

    If you wanted a better quality item that won't break the bank, this is what I'd buy:

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: Corsair Enthusiast 650W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
    Total: $59.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2014-04-27 20:22 EDT-0400)
  2. That machine is probably using around 300-320 watts, which is probably somewhere near 350 from the wall. Pretty much any quality 500 watt PSU would do just fine, maybe a 550 or 600 if you really want some extra headroom. The only reason you should need a 750 is of you are planning on running crossfire in the future.

    Toms Power Usage showing card only: http://www.tomshardware.com/reviews/radeon-r9-280x-r9-270x-r7-260x,3635-18.html (257 watts)

    BitTech showing total system power usage from the wall at 352 watts: http://www.bit-tech.net/hardware/graphics/2013/10/09/msi-radeon-r9-280x-ge-oc-review/8

    Anand's test machine showing peak usage from the wall, peaks at 360-393 depending on the 280x: http://www.bit-tech.net/hardware/graphics/2013/10/09/msi-radeon-r9-280x-ge-oc-review/8
  3. The Amps that the PSU puts out is not adequate. It's a dual rail design so amps went down.
  4. SeaSonic 750 $100

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151107

    ___________________

    Think this is still a great PSU but also think I may have read your post wrong, are you planning to run 1 or 2 of the Sapphire cards - if 2 this is great, if only 1 card can easily drop to a lower wattage PSU like the $75 Gold SeaSonic

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151136
  5. Best answer
    A Radeon R9-280X needs at least 30 ams on the 12v rail and a 550 watt power supply with one 6 pin and one 6+2 power connection.

    The XFX 550W made by SEASONIC has 45 amps on a single 12v rail and the proper PCIE power connections.


    PCI-Express Connector
    3 x 6+2-Pin


    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX TS 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
    Total: $59.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2014-04-27 20:31 EDT-0400)

    Or a 750w made by SEASONIC.

    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX 750W 80+ Bronze Certified ATX Power Supply ($74.99 @ NCIX US)
    Total: $74.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2014-04-27 20:39 EDT-0400)
  6. jnkweaver said:
    Apevia makes great doorstops and paperweights. That is what they and about a dozen different companies power supplies are good for.

    For $100 you can get a high quality psu for your build. Your video card suggests 600W or greater for your setup. The Corsair TX is a good supply. If you want a modular supply for $8 then get this Antec HCG http://pcpartpicker.com/part/antec-power-supply-hcg620m


    We need to get the word out just how bad they are. I have a use for mine as an office build. That's the only thing the paperweights are useful for.
  7. Apevia makes great doorstops and paperweights. That is what they and about a dozen different companies power supplies are good for.

    For $100 you can get a high quality psu for your build. Your video card suggests 600W or greater for your setup. The Corsair TX is a good supply. If you want a modular supply for $8 then get this Antec HCG http://pcpartpicker.com/part/antec-power-supply-hcg620m
  8. Tradesman1 said:
    SeaSonic 750 $100

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151107

    ___________________

    Think this is still a great PSU but also think I may have read your post wrong, are you planning to run 1 or 2 of the Sapphire cards - if 2 this is great, if only 1 card can easily drop to a lower wattage PSU like the $75 Gold SeaSonic

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151136


    I only plan on running one. If I do run 2 it will be in a while since the 280x is good for a couple years
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