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[H] ePower Juice Box 450w Aux PSU Review

post #1 of 12
Thread Starter 
Quote:
ePower Technology is one of the retail brands of long time power supply OEM Topower and they were established in the United States as a retail branch of Topower in 1990. Topower Computer Industrial Co., Ltd has been a large supplier of PSUs under both its own label and through contract production for other brands since 1986. Topower can be, or has been, found providing OEM services for a number of brands including ABS, Tagan, BFG, Mushkin, and Spire among a number of others. At times Topower units have struggled while others have been successful. When new higher wattage power supplies start hitting the market, Topower units can usually be found among them. In other words, early to market isn't always a blessing. Today though, we are not looking at another high power unit from ePower/Topower, but rather we are looking at a slightly different product in the way of the highest powered member of ePower/Topower's line of Juice Box auxiliary 5.25" power supplies; the Juice Box 450W (EP-450CD). This unit is from a completely different market segment than what we have seen from Topower before and should provide an interesting look at some of their other capabilities (previous power supplies have been decidedly mixed in capability in our previous reviews).

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post #2 of 12
FAIL

lmao nice find haha
    
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post #3 of 12
Quote:
Originally Posted by hardocp
The load testing results for the ePower Juice Box 450W are quite simply a big fat fail.
Ouch.

I suprised by the niche. Couldn't you just use another psu like an antec earthwatts (which would be a similar price) to power the cpu or gpu and another one to power the rest - or just buy a better psu??
    
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post #4 of 12
Thread Starter 
Quote:
Originally Posted by jammy4041 View Post
Ouch.

I suprised by the niche. Couldn't you just use another psu like an antec earthwatts (which would be a similar price) to power the cpu or gpu and another one to power the rest - or just buy a better psu??
The problem is Crossloading.
Some PSU's do terrible when it comes to crossloading, and a 12v only output causes ripple to go high or even out of spec.
Or it causes voltages to either climb out of spec or drop out of spec.

It's all in relevance.
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post #5 of 12
Ahh, makes a little more sense.
    
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post #6 of 12
I actually had this thing a few years ago powering *gasp* 2 - 4870's in Crossfire! Powered them for over a year before it gave up the ghost.

Seeing as how I was a PSU n00b back then, this seemed like a good idea at the time to purchase. LoL
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post #7 of 12
expected since i heard of this
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by jammy4041 View Post
Ahh, makes a little more sense.
It just depends on the design if a unit can handle a full 12v load.
Quote:
Originally Posted by Bo_Punk_2.0 View Post
I actually had this thing a few years ago powering *gasp* 2 - 4870's in Crossfire! Powered them for over a year before it gave up the ghost.

Seeing as how I was a PSU n00b back then, this seemed like a good idea at the time to purchase. LoL
Well it's not a terrible choice, it just shuts down and tries to start back up when the load is to heavy.

At least it wasn't out of spec when it was operating normally.
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post #9 of 12
Still looks like a crap option overall, don't it?
post #10 of 12
It was a 20 dollar power supply, I honestly don't know what people were expecting. Also this unit helped power a 4870x2 for a while a did fine. Its far from an excellent unit, but you can't expect totally quality for 20 bucks.
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