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Thread: Need PSU Advice

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    Senior Member 2Cold Scorpio's Avatar
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    Question Need PSU Advice

    I've just decided to build my new system rather than buy. I've got most of the components figured out (I think), except the PSU. I'm looking for a solid PSU that isn't break-the-bank expensive thats at least 750w. I know nothing about PSUs at all; I just know i need one that'll fit in my case, last a couple of more years, and that is relatively cool and quiet.

    The rig specs, as of now, are as follows:
    Case: Raidmax Smilodon ATX Mid-Tower (w/ 5 case fans)
    CPU: Intel Core 2 Quad Q6600 (will be overclocked to about 3.2 Ghz)
    CPU Fan: ARCTIC COOLING Freezer 7 Pro 92mm CPU Cooler
    Graphics Cards: Dual eVGA 8800GT SSC Edition in SLI mode (eventually; at first, it'll just be one card)
    Sound Card: Sound Blaster X-Fi XtremeGamer
    RAM: 4 GBs (4x1GB) Patriot Extreme Performance PC2-6400 DDR2 RAM
    Mobo: eVGA 122-CK-NF68-A1 LGA 775 NVIDIA nForce 680i SLI ATX
    Hard Drives: dual Western Digital 320 GB 7200rpm
    Optical Drives: 1 DVD-RAM/R/RW SATA drive, 1 CD-RW E-IDE drive, 1 floppy drive

    Also, I was wondering if Rosewill is a good brand PSU; NewEgg has a pretty killer bundle deal on their 950w PSU and the Q6600 ($100 off!). If thats a good PSU *and* it would fit in my case, I'd be awfully tempted to get it (even if I really don't need that much power, the PSU would last longer, I figure).

    THanks in advance for your help!

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    Folding Flunkie Webby's Avatar
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    Re: Need PSU Advice

    The problem having a PSU which your running near to its limit or which is way overpowered is that the efficency drops, hence your electricity bill goes up

    I dont expect you really need a 750W PSU but if thats what you want then I would look at Seasonic, Corsair, OCZ, Tagan. Personally I would expect the Corsair HX620w would probably be sufficient, but I am happy to be contridicted if people think I'm wrong! Or i guess if you want the extra juice the Corsair TX750w which is more money and not modular.

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    Senior Member 2Cold Scorpio's Avatar
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    Re: Need PSU Advice

    Whats the difference between modular and non-,odular?

  5. #5
    finding nemo staffsMike's Avatar
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    Re: Need PSU Advice

    modular means all the cables (apart from motherboard power) detatch so you only have to use the ones you need, aGod send if you ask me.

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    Senior Member 2Cold Scorpio's Avatar
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      • Motherboard:
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      • CPU:
      • Intel Core 2 Duo E6750 w/ G0 stepping - stock: 2.66 GHz OC'd to 3.6 GHz 1.48v
      • Memory:
      • 4x1GB Patriot PDC24G6400LLQK Extreme Performance PC2-6400 OC'd to 900MHz 5-5-5-18 timings 2.2v
      • Storage:
      • 2TB Samsung Spinpoint F4 5200rpm (main), 2x 250 GB Seagate Barracuda 7200.10 SATA in RAID 0 (backup)
      • Graphics card(s):
      • eVGA Geforce GTX 460 1GB Superclocked
      • PSU:
      • Antec NeoBlue 650w
      • Case:
      • Raidmax Smilodon Steel ATX
      • Operating System:
      • Microsoft Windows 7 Professional 64-bit
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      • Samsung 226BW 22" LCD Widescreen (S-Panel) @ 1680x1050
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    Re: Need PSU Advice

    Modular does indeed sound great; the fewer cables the better! But I'm concerned about size...I've heard stories of people getting PSUs that didn't fit their case...is there a way to know whether a PSU will or not?

    Also, ElCapitan listed a Gigabyte PSU...are they a good PSU brand? I haven't heard anyone list 'em (though that one looked nice from my limited knowlege of the subject...).

    Is 750w really too much? I want to have ample headroom for further upgrades (including going SLI), and have enough juice to be able to last two or three years (hopefully). I'd gladly go with less if it would be sufficiently future-proofed to run added parts later (and an overclocked CPU).
    Last edited by 2Cold Scorpio; 12-11-2007 at 12:57 AM.

  7. #7
    Senior Member 2Cold Scorpio's Avatar
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    • 2Cold Scorpio's system
      • Motherboard:
      • Abit IP-35 Pro, Sound Card: Creative X-Fi XtremeGamer
      • CPU:
      • Intel Core 2 Duo E6750 w/ G0 stepping - stock: 2.66 GHz OC'd to 3.6 GHz 1.48v
      • Memory:
      • 4x1GB Patriot PDC24G6400LLQK Extreme Performance PC2-6400 OC'd to 900MHz 5-5-5-18 timings 2.2v
      • Storage:
      • 2TB Samsung Spinpoint F4 5200rpm (main), 2x 250 GB Seagate Barracuda 7200.10 SATA in RAID 0 (backup)
      • Graphics card(s):
      • eVGA Geforce GTX 460 1GB Superclocked
      • PSU:
      • Antec NeoBlue 650w
      • Case:
      • Raidmax Smilodon Steel ATX
      • Operating System:
      • Microsoft Windows 7 Professional 64-bit
      • Monitor(s):
      • Samsung 226BW 22" LCD Widescreen (S-Panel) @ 1680x1050
      • Internet:
      • 15Mb/s Cable, Optical Drives: 1. Lite-On DVD+-R/+-RW/RAM w/ Lightscribe, 2. LiteOn CD-RW 52/32/52x

    Re: Need PSU Advice

    Ok, I think I've got it narrowed down to two Antec PSUs:

    Quattro 850w: Antec.com - TruePower Quattro
    NeoPower 650w Blue: Antec.com - NeoPower

    The 650w has 3 rails, the Quattro has 4. Which would you guys suggest (and would either or both of these fix in my ATX Mid-Tower?)

  8. #8
    Senior Member Pob255's Avatar
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    Re: Need PSU Advice

    The NeoPower 650w should be more than enough, even after SLi
    Antec have not put up the rail specs for that psu Although as far as I know the NeoPower series are made by Seasonic and as the 550w one has 42w max on the combined 3 +12v rails the 650w should be fine and room to spare

  9. #9
    Senior Member 2Cold Scorpio's Avatar
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    • 2Cold Scorpio's system
      • Motherboard:
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      • CPU:
      • Intel Core 2 Duo E6750 w/ G0 stepping - stock: 2.66 GHz OC'd to 3.6 GHz 1.48v
      • Memory:
      • 4x1GB Patriot PDC24G6400LLQK Extreme Performance PC2-6400 OC'd to 900MHz 5-5-5-18 timings 2.2v
      • Storage:
      • 2TB Samsung Spinpoint F4 5200rpm (main), 2x 250 GB Seagate Barracuda 7200.10 SATA in RAID 0 (backup)
      • Graphics card(s):
      • eVGA Geforce GTX 460 1GB Superclocked
      • PSU:
      • Antec NeoBlue 650w
      • Case:
      • Raidmax Smilodon Steel ATX
      • Operating System:
      • Microsoft Windows 7 Professional 64-bit
      • Monitor(s):
      • Samsung 226BW 22" LCD Widescreen (S-Panel) @ 1680x1050
      • Internet:
      • 15Mb/s Cable, Optical Drives: 1. Lite-On DVD+-R/+-RW/RAM w/ Lightscribe, 2. LiteOn CD-RW 52/32/52x

    Re: Need PSU Advice

    Quote Originally Posted by Pob255 View Post
    The NeoPower 650w should be more than enough, even after SLi
    Antec have not put up the rail specs for that psu Although as far as I know the NeoPower series are made by Seasonic and as the 550w one has 42w max on the combined 3 +12v rails the 650w should be fine and room to spare
    I'm really looking at one that'll last a few years, would the NeoPower last? And i want ot make sure that either that or the 850w would fit in my case I bought...

  10. #10
    Senior Member Pob255's Avatar
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    Re: Need PSU Advice

    Yes/maybe depends on how power demands change over the years.

    Sounds odd? well 5 years ago the +12v rail was not where near as important as it is now and the +5v rail was far more important.
    So a high end PSU from back then will struggle to run a current system, even though it's total wattage is high enough the watt on the +12v would not be.

    In theory that 650w neopower should be able to keep you going for a good while and should be capable of running an OC'd q6600 & SLi 8800GTX

    EDIT: if your worried then consider the Corsair HX650 as it comes with a 5 year warranty

  11. #11
    Folding Flunkie Webby's Avatar
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    Re: Need PSU Advice

    The easiest way to tell if its going to last is how long a warrenty does Ante offer on the PSU? ANd looking at the website for the Neo Power 650W they offer a 5 year warrenty on it so I would guess it will last a few years!

    As to if it will fit in your case I cant see why not it is normal ATX power Suply sized at 8.6x15x15 cm.

  12. #12
    Senior Member Pob255's Avatar
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    Re: Need PSU Advice

    Strange the way 5 year warranty and Seasonic appear inconnection with a PSU

  13. #13
    Senior Member 2Cold Scorpio's Avatar
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      • Graphics card(s):
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      • PSU:
      • Antec NeoBlue 650w
      • Case:
      • Raidmax Smilodon Steel ATX
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      • Microsoft Windows 7 Professional 64-bit
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    Question Re: Need PSU Advice

    Quote Originally Posted by Pob255 View Post
    Strange the way 5 year warranty and Seasonic appear inconnection with a PSU
    Why is that strange? Something I oughta know?

    After looking at some specs, I *might* get the 850w one just because it has more SATA connections. I do plan on adding more hard drives and possibly a BLu-Ray burner down the road.
    Last edited by 2Cold Scorpio; 13-11-2007 at 02:30 PM.

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    Admin team peterb's Avatar
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    Re: Need PSU Advice

    Quote Originally Posted by 2Cold Scorpio View Post
    Why is that strange? Something I oughta know?
    Yes - that Seasonic (and Corsair) are confident enough in the quality of their kit to offer a 5 year warranty!
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  15. #15
    Senior Member 2Cold Scorpio's Avatar
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    • 2Cold Scorpio's system
      • Motherboard:
      • Abit IP-35 Pro, Sound Card: Creative X-Fi XtremeGamer
      • CPU:
      • Intel Core 2 Duo E6750 w/ G0 stepping - stock: 2.66 GHz OC'd to 3.6 GHz 1.48v
      • Memory:
      • 4x1GB Patriot PDC24G6400LLQK Extreme Performance PC2-6400 OC'd to 900MHz 5-5-5-18 timings 2.2v
      • Storage:
      • 2TB Samsung Spinpoint F4 5200rpm (main), 2x 250 GB Seagate Barracuda 7200.10 SATA in RAID 0 (backup)
      • Graphics card(s):
      • eVGA Geforce GTX 460 1GB Superclocked
      • PSU:
      • Antec NeoBlue 650w
      • Case:
      • Raidmax Smilodon Steel ATX
      • Operating System:
      • Microsoft Windows 7 Professional 64-bit
      • Monitor(s):
      • Samsung 226BW 22" LCD Widescreen (S-Panel) @ 1680x1050
      • Internet:
      • 15Mb/s Cable, Optical Drives: 1. Lite-On DVD+-R/+-RW/RAM w/ Lightscribe, 2. LiteOn CD-RW 52/32/52x

    Re: Need PSU Advice

    Quote Originally Posted by peterb View Post
    Yes - that Seasonic (and Corsair) are confident enough in the quality of their kit to offer a 5 year warranty!
    Oh! They way you said it, I thought Seasonic had had problems with PSUs in the past... I misunderstood.

    By the way, I read the 850w Quattro is manufactured by Enhance...are they good/reliable?

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