Antec True Power 330 ??
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Thread: Antec True Power 330 ??

  1. #1
    Join Date
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    Antec True Power 330 ??

    HI

    I just bought a Antec 330 watt power supply. Im planning on using this for a amd 2200+. AMD recommends a power supply that has at least 220 watts on the 3.3 and 5.0 rails. Ive looked all over their site and cant find this info. They just upgraded all of their power supplies this year and dont want the ones from last year that dont meet this requirement. Can anybody tell me how to figure just how much wattage this psu puts out on those rails.

    According to the manual it puts out 310 watts on the 5v , 12v and 3.3v combined. It also puts out 30A on the 5v and 28A on the 3.3v With this info is there anyway to figure the combined wattage of the 5v and 3.3 rails?

    thanks in advance

  2. #2
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    That would be:

    5V X 30A = 150W
    3.3V X 28A = 92.4W
    150W + 92.4W = 242W

    This should do just fine for most systems. This means it will put out 242W between the 3.3v and 5v rails, but the total output of the 3.3v, 5v, and 12v can not exceed 310w. The extra little wattages come from the other rails (like -5v and -12v), bringing it to 330w.

    The main thing to note though is that Antec rates their power supplies by sustained power, while most rate theirs by peek power. If you run a genaric 350w PS at their rated wattages you will burn them out. Antecs can actually exceed their rating by quite a bit. I have read an article at Tom's Hardware that had an Antec 430w PS purring along at about 490w when several cheaper PS could not even run at what they were rated at. Antec just RULES!!!
    AMD Phenom II x4 945 3Ghz | ASUS M4A77TD | 2X WD 1TB SATA 2 hard drive | 2x2GB Corsair XMS3 | nVidia GeForce 8800 GTS | ATI TV Wonder Theater Pro 550 | Antec P-160 case | Antec 650w Earth Watts | LG Blu-ray Super Drive | LG DVD RW | Windows 7 Pro

  3. #3
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    re

    Todd

    Are you sure? According to the company this supply has 310watts on the 5v 12v and 3.3v rails. There is 17a on the 12v rail.

    According to your math then

    5v * 30a = 150w
    3.3v *28a=92.4
    12v* 17a= 204

    150w+92.4w+204w= 446.4watts Thats 136 watts over their figure. Whats do you think?

  4. #4
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    The math seems to be right, probably just not as cut and dry as multiply them all and add them up. As I understand it Power (Watts) = Current (Amps) x Voltage (Volts).

  5. #5
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    Still Going

    HI All

    Still Lookingfor the answer. I contacted Antec but their customer service is so terrible. I called and left them my telephone; no response. I sent them 3 emails; no response.

  6. #6
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    tyou also have to take into consideration the amount of "loss" within the circuitry. AND how much is lost to heat. It's not as simple as XxX=X. there are other factors.
    *This space for rent*

  7. #7
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    If it helps, I'm running an XP1900+, (1)7200rpm 30gb maxtor, (1)CDRW, and (1) DVDrom on an nForce2 with the Antec330 TruePower, and I have no problems.
    Give what you cannot keep to gain what you cannot lose.

  8. #8
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    My math was correct. The problem is that you can not load all three to the max, only two. It will draw off the third line to feed the first two. This will give the full 242w on the 5v and 3.3v unless you load more than 68w (310w total minus the 5v+3.3v load of 242w) on the 12v rail. As you increase the 12v beyond 68w, the max load on the 3.3 and 5v will decrease. The 12v rain can never go above 204w, but by then the system will likely not run the best. I would not worry as these power supplies are very nice.
    AMD Phenom II x4 945 3Ghz | ASUS M4A77TD | 2X WD 1TB SATA 2 hard drive | 2x2GB Corsair XMS3 | nVidia GeForce 8800 GTS | ATI TV Wonder Theater Pro 550 | Antec P-160 case | Antec 650w Earth Watts | LG Blu-ray Super Drive | LG DVD RW | Windows 7 Pro

  9. #9
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    The truepower will more than run just about anything you throw at it, i've got a 430W unit, it has independant 3.3 and 5v lines so they won't affect oneanother under load and thus provide clean stable power.
    R.I.P Rangeral, To one of HWC's best moderators and a great guy

    By the way, what does BTW stand for?

    It is better to be tried by 12, than carried by 6.

  10. #10
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    wanna be sure? Do what I did. I bought a Robanton 600W for 68 bux shipped.
    *This space for rent*

  11. #11
    i bought the antec true 430 and have all the stuff in my sig running off it and it works like butter.
    p4 2.4ghz@2.82ghz 512 hyperx3000
    gigabyte 8pe667ultra mobo
    2 WD 80gb 8mb cache HD
    Antec PlusView Case & 430W TruePower
    ati radeon 9000pro
    soundblaster live & maudio Delta 2496
    PioneerDVD slot loader-Plextor CD/RW
    21" dell Trinitron monitor
    logitech mx700 &Leadtek TV Tuner
    and a partridge in a pear tree coming soon: ati 9800, m-audio revolution, plextor dvd burner.....down the road prescott Q2 2004 when i go bonkers!

  12. #12
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    I personnaly would get the Antec TruPower 480w power supply with 2 blue LED fans. NewEgg has them for about $100 shipped. They just rock. They are quiet and have the fans hooked up to an internal thermal control system. It even comes with some special fan wires that will also be thermally controlled. It also automatically adjusts the voltage acording to load and resistance to mantain the most stable power.Plus the LED fans normally run about $15 each, so it is a real steal for a 480w power supply. Plus Tom's Hardware load tested about 30 power supplies and several failed to even reach what they were rated for. The 430w Antec he tested managed to almost reach 500w.
    AMD Phenom II x4 945 3Ghz | ASUS M4A77TD | 2X WD 1TB SATA 2 hard drive | 2x2GB Corsair XMS3 | nVidia GeForce 8800 GTS | ATI TV Wonder Theater Pro 550 | Antec P-160 case | Antec 650w Earth Watts | LG Blu-ray Super Drive | LG DVD RW | Windows 7 Pro

  13. #13
    you know. i was surprised i ordered all my stuff from newegg but the ide cables and the LED fans i got from compusa which usually is a rip off for things PC

    the ANTEC LED fans are only 10 bucks there. i bought three at compusa and saved 15 bucks
    p4 2.4ghz@2.82ghz 512 hyperx3000
    gigabyte 8pe667ultra mobo
    2 WD 80gb 8mb cache HD
    Antec PlusView Case & 430W TruePower
    ati radeon 9000pro
    soundblaster live & maudio Delta 2496
    PioneerDVD slot loader-Plextor CD/RW
    21" dell Trinitron monitor
    logitech mx700 &Leadtek TV Tuner
    and a partridge in a pear tree coming soon: ati 9800, m-audio revolution, plextor dvd burner.....down the road prescott Q2 2004 when i go bonkers!

  14. #14
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    I think it just depends what you buy there. CompUSA has great deals, you just have to looke for them. My 7200rpm 30gb maxtor ended up costing $50 at the store, and it had a $20 mail in rebate on top of that. $1 per GB seemed like a good deal to me.
    Give what you cannot keep to gain what you cannot lose.

  15. #15
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    Originally posted by The*Q*
    wanna be sure? Do what I did. I bought a Robanton 600W for 68 bux shipped.
    while its a decent brand, i must say that it does not handle the higher speed Athlon chips such as the 2700+ very well, constant vcore jumping low/high and a weak 5V line, I tried it on my dual XP 1900+ machine and it refused to boot many times whilst the 430W antec unit worked flawlessly and the 550W Enermax unit that i use on it works 24/7 no problem, (this was a 500w robanton unit). The unit was slightly better than the Macron 400W i was installing for someone, but not by much, very close to generic brands.
    R.I.P Rangeral, To one of HWC's best moderators and a great guy

    By the way, what does BTW stand for?

    It is better to be tried by 12, than carried by 6.

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