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Thread: Cougar Unveils GX-F Aurum Full-Modular Power Supplies

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    Default Cougar Unveils GX-F Aurum Full-Modular Power Supplies

    Cougar today unveiled the GX-F Aurum line of premium power supplies for gaming PCs. Consisting of 550 W, 650 W, and 750 W variants, these PSUs offer fully modular cabling, 80 Plus Gold efficiency, a single +12V rail design, DC-to-DC switching, and tight 3% voltage regulation. All three models offer two 4+4 pin EPS connectors keeping in mind upcoming processor architectures. The 550 W model includes two 6+2 pin PCIe power and six SATA power, while the 650 W and 750 W ones offer four 6+2 pin PCIe, and eight SATA power. Common to all three variants is a 135 mm hydro-dynamic bearing (HDB) fan. Cougar is backing these with 7-year warranties. Availability is slated for late-April.
    https://www.techpowerup.com/265900/c...power-supplies


    Some internal pictures at eteknix: https://www.eteknix.com/cougar-gx-f-...pply-review/3/

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    Is a hydro-dynamic bearing different from a fluid-dynamic bearing?
    Attached Images Attached Images
    Last edited by ashiekh; 04-17-2020 at 02:14 PM.

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    Quote Originally Posted by ashiekh View Post
    Is a hydro-dynamic bearing different from a fluid-dynamic bearing?
    It's either a rifle bearing (probably) or a version of the FDB that doesn't encroach on Panasonic's patent.

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    https://cougargaming.com/products/co...ortex_hdb_fan/

    They are claiming a 300,000 hr L10 lifetime at 25C, which is 34 years

    With high quality electrolytic capacitors, the fan becomes the weak point for power supplies.
    Last edited by ashiekh; 04-17-2020 at 09:04 PM.

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    What's the difference to the regular GX-F except the color?

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    Seems there is a difference with the fan control

    https://cougargaming.com/products/psus/gxf/
    GX-F fan is always on

    https://cougargaming.com/products/psus/gxf-aurum/
    GX-F Aurum fan is off at low loads
    Last edited by ashiekh; 04-17-2020 at 09:20 PM.

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    Yeah semi passive and more silent overall.
    Dual EPS connector on every model, normal GX-F just had one.
    But otherwise not not much I guess.

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    Quote Originally Posted by -The_Mask- View Post
    Yeah semi passive and more silent overall.
    Which is rather fully passive according to that one review yet available

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    I mentioned it more than once before, but every time I see an Eteknix article I can't stop thinking how disastrously wrong their "testing" is.

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