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    ePower PCMCIS Fanless 450 LION
    Author: JonnyGuru
    Date Posted:01/05/2005 13:34.10
    SLRating: SLRating: 8.5/10
    Bottom Line: This power supply does what it's supposed to do although it's a shame it's not more efficient. All and all, it's a really nice unit. And at $150 it is expensive, but delivers on performance and minimal noise.

    Find the lowest price for this product
    Pages: 1 2 3 4
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    Let's take a look at the label on the side of the power supply and see what they're trying to sell us here...

    Fanless 450 LION +3.3V +5V +12V -12V -5V +5VSB
    Max Output Current 28A 45A


    1A 0.8A 2.5A
    Max Combined Peak Wattage 220W 336W 12W 4W 15W

    With 45A on the 5V, this power supply obviously isn't trying to be ATX12V2.01, but that OK.  28A on the 12V is more than enough for most of us out there.  Now let's look at what connectors we get and the quantity of each...

    ATX connector 20-pin
    2 x 2 12V connectors 1
    2 x 3 PCIe 0
    6-pin Xeon/AUX connector 1
    5.25" Drive connectors 7*
    3.5" Drive connectors 2
    SATA Drive power connectors 2
    Fan only connectors (Thermostatically controlled 12V only connectors) 6

    * One of the cables have EMI filters for use specifically with hard drives.

    I'm rather disappointed that the power supply didn't have a 24-pin ATX connector.  Not that using an adapter is a big deal as the loss I've recorded is barely over 1%, I just think it makes more sense for someone to adapt a 24 to a 20-pin connector, if need be, rather than the other way around.  There's no PCI-e connector, but there is a filtered drive Molex, so if I were to use this with a PCI-e card, I would just use an adapter on that connector since 99% of the time I have more than one hard drive and would be hard pressed to determine which hard drive I'm going to use the filtered power connector on (sort of like picking a favorite child or favorite Tampa Bay Lightning defenseman.)

    After the power supply ran for another 15 minutes with the fan spinning, the temps were back down to 42C as per my Compu-Nurse.  I hit the power button for the fan and proceeded with the tests.  Since this power supply is "only" a 450W and my Test Three runs the 12V 2A over spec as it is, for a grand total of 479W, I didn't do a "full load" test.

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    1. Introduction
    2. Observations
    3. Specifications
    4. Conclusions

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