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    Dual 12V PSU Shootout
    Author: JonnyGuru
    Date Posted:21/07/2005 13:42.03
    AMS Mercury PP-44603 SLRating: SLRating: 9/10
    Seasonic S-12-430 SLRating: SLRating: 9/10
    Thermaltake TWV500 SLRating: SLRating: 9/10
    Bottom Line: The three of these power supplies really don\'t shoot-out each other. If you want cheap, the AMS. If you want quiet, the Seasonic. If you want modular, the Thermaltake.

    Find the lowest price for this product - AMS Mercury PP-44603
    Find the lowest price for this product - Seasonic S-12-43
    Find the lowest price for this product - Thermaltake TWV500
    Pages: 1 2 3 4 5 6 7 8
    Discuss This Article


    The Thermaltake TWV500

    In the past, I've been pretty rough on Thermaltake, having blown up a couple of the 480W Butterflies and given them low scores.  A few other people around this mighty Internet have been disappointed with them as well, but some of these folks have been unfairly calling them "garbage."  I think this is a completely inaccurate assesment of their product. 

    The problem with Thermaltake power supplies of the past have simply been the fact that they market a higher wattage power supply with all of it's power on the 5V rail in a market that NOW needs to have power on the 12V rail.  If you NEED a 480W power supply, you NEED more than 18A on your single 12V rail.  But the overall QUALITY of Thermaltake's power supplies have always been better than average.

    Judging by the label on this particular unit, all previous animosity towards the Thermaltake power supply power supply line should be eliminated... IF the quality is still up to snuff too.

    The side of the TWV500 looks very much like the other Thermaltake power supplies with a very large silver label facing out to your side panel's window.  The bling of this unit is quite subtle.  There's an LED in the fan, but it doesn't change colors.  It's always blue.  Also, there's no side window like one of the Thermaltakes I had reviewed in the past.

    Above we can see the modular interface side of our power supply.  I love how clearly labeled the connectors are.  I mean; you can't really plug the wrong cable into the wrong port, but it's still nice.

    We'll get to the actual cable count later, but I wanted to show you photos of the cables now.  They look very similar to the Antec Neo Power cables we reviewed last month.  Above are the drive Molexes and plenty of them.

    Here's our two PCI Express cables and our 12V 2x2 connector.  The interface for the 2x2 connector is actually 2x4 so an SSI Xeon connector is a possibility, but no 8-pin power cable was included.  Perhaps one is sold separately.

    Here's our main ATX connector.  I'm not sure why they bothered making this modular.  Unlike the Ultra X-Connect where the 20-pin can be exchanged for a 24-pin, this cable is a 24-pin natively that can have the last four pins taken off for backwards compatibility.  Making this cable modular does add a bit of resistance.  Not much, but under heavy loads the drop in voltage can be as much as .1V.

    Above we have a photograph of the modular SATA cables...

    Unlike most modular SATA cables, Thermaltake provides a separate 3.3V lead for future SATA drives that may start to use 3.3V.  Why make the connector separate?  So the interface on the power supply can still be used for regular PATA drive power connectors, of course.

    Here's the other goodies we get with this power supply.  A 120MM fan and the TWV panel.  The fan is actually quite nice and the panel does give us the ability to adjust the speed of both the "bonus" fan and the fan in the power supply.  The only thing I don't like is the useless "total wattage viewer."  It's inaccurate and really quite useless.  Telling me how much juice is on EACH RAIL?  THAT would be cool.  Work on it Thermaltake!  ;-)

    It looks like my useless "total wattage viewer" is really, really useless.  With a 468.8W load on the power supply, my TWV is reporting 10W.  I think I got a defective unit.  Oh well!  I'll RMA it later.  :-)

    Inside we have gobs of caulk.  But the wiring is still fairly neat inside because of the use of a separate PCB for all of the modular cable interface.  This is similar to that used in Superflower manufacturered power supplies and gets rid of the mess of cables similar to that of the Ultra and Antec modular power supplies.

    In the above two photos we can see the separate PCB's for the active power factor correction and thermistatically controlled fans.  We can also see the unique heatsinks used by Thermaltake.  The fins are slightly angled to help move the air from the fan to the vent at the back of the unit.



    Now let's take a look at what cables we get with each power supply..... Go the the next page
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    Article Navigation

    1. Introduction
    2. Testing
    3. The AMS Mercury PP-44603
    4. The Seasonic S-12-430
    5. The Thermaltake TWV500
    6. A look at the cables
    7. Load test results
    8. Conclusion


    If you liked this review, you may like...

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