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POWER SUPPLY UNITS

Antec True Power 330W PSU
By: CPUUK
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    2003-10-01

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  • Antec True Power 330W PSU
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    Antec True Power 330W PSU


    (Page 1 of 2 )

    OK, this is a review of the Antec TruePower 330W PSU, so let’s get down to business. I received the unit, unboxed it, plugged it in and the PC worked, the end. Thank you, can I have my fee now SPeeD, I’ve finished the review? What, what you mean I get paid by the word, damn, how am I going to flesh this out to earn my buck fifty fee? What’s there to say about a power supply unit? No one really gives them much thought, after all, how difficult is it, it just supplies a little juice to motherboard and hard drive, surely there is nothing of interest or concern?


    Joking aside, I think that that my previous statement is what most people muse over when buying a PSU, that and how cheap is it! What people don’t realise is that every component, every transistor, every drive, CPU and that expensive video card are nothing without a constant supply of clean and stable electricity. You certainly build your pc house on a foundation of sand if you buy a cheap PSU, as the slightest variance in the AC or DC will crash your pride and joy.
     
    Although the Antec TruePower 330W is the baby of the line, it comes packed with it’s bigger siblings features. These features can be broadly separated into two areas:

    * supplying clean and stable direct current reducing background noise through variable speed

    * control of fans

    The unit is capable of supporting either AMD (Athlon) or Intel (P4) motherboards, so it’s a safe investment on that front. And a good PSU should be considered for transplant into the next system you build, so always buy one with some extra wattage elbow room.


    fig.1 Strange alien being makes a break for cover

    You get a heavy unit (around 5lbs) wrapped in bubble, and a small but informative “User Manual”. The unit comes in standard ATX size, so unless you have an oddly shaped case, it should just drop in. An examination of the unit shows 15x various connectors, so it is highly unlikely you will need to buy additional molex, as you get 7x of the little tinkers for regular devices, as well as 2x dedicated to fans.
     
    The 2x large fan grills (supporting 80 & 92mm fan) are done in a gold effect, nothing special, but pleasing to the eye non-the-less. The unit was fixed at 230volt, although I have seen others with the usual 115v 230v switch. 

    fig.2 Oh oh, I can see right up your ….

    fig.3 The PSU that conquered the DevH labs- grrrrr

    Now for some specs (queue Musak)

    Antec Power Supplies
    Model: TRUE330

    FEATURES

    Maximum Power

    330W

    Switches

    ATX Logic on-off additional power rocker switch

    Special Connectors

    AUX Power
    ATX12V
    3-pin Fan Sensor
    Fan Only

    Transient Response

    +5V,+12V outputs return to within 5% in less than 1ms for 20% load change.

    P. G. Signal

    100-500ms

    Over Voltage Protection
    recycle AC to reset

    +5V trip point < +6.5V
    +3.3V trip point < +4.1V
    +12V trip point < +14.4V

    Overload Protection

    Latching Protection
    +5V @ < 47A
    +3.3V @ < 48A
    +12V @ < 18A

    Leakage Current

    <3.5mA @ 240VAC


    DIMENSIONS

    Unit Size

    5.9"(L) x 5.5"(W) x 3.4"(H)
    15cm(L) x 14 cm(W) x 8.6 cm(H)

    Net Weight

    5lbs.
    2.3kg


    INPUT

    Input Voltage

    230VAC

    Input Frequency Range

    47Hz to 63Hz

    Input Surge Current

    < 80A @ 115VAC

    Input Current

    4.0A for 230VAC

    Hold-up Time

    >17ms at Full Load

    Efficiency

    > 68%

    EMI/RFI

    FCC Class B
    CISPR22 Class


    OUTPUT

     

    +5V

    -5V

    +12V

    -12V

    +3.3V

    +5V SB

    Max. Load

    30A*

    0.5A

    17A

    1.0A

    28A*

    2A

    Min. Load

    0A

    0A

    0.8A

    0A

    0A

    0A

    Load Reg.

    ±3%

    ±5%

    ±3%

    ±5%

    ±3%

    ±5%

    Ripple V(p-p)

    50mV

    50mV

    120mV

    120mV

    50mV

    50mV

    * +5V, +3.3V & +12V maximum output 310 Watts max.


    ENVIRONMENTAL

    Operating Temp. 10 to 50ºC

    Operating Alt.

    Sea Level 10,000 ft.

    Non-Operating Vibration

    Operating: 10-300 Hz, 0.5G, 3 axes, 1 hr. ea. axis
    Non-operating: 10-300 Hz, 2.0G, 3 axes, 1 hr. ea. axis

    MTBF

    80,000 hrs. @ 25ºC

    Approvals

    UL, CSA, TUV, CB, CE, SEMKO, NEMKO, DEMKO

    I think the key points are that it will last a long time, 9 years, and that it has overload protection for those embarrassing moments in life.

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