Xbox power draw? - AVS Forum
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post #1 of 7 Old 11-08-2004, 06:16 AM - Thread Starter
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Hello,
Here's a quickie, probably for someone with an owner's manual.

What is the rated power draw (in wats, please) for the Xbox? I just bought one used and so I don't have a manual.

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post #2 of 7 Old 11-08-2004, 06:33 AM
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11,256 watts. Or maybe a little less.
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post #3 of 7 Old 11-08-2004, 09:14 AM
 
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let me bust out my nifty book of notes here...

ah, here we go. page 46.

the power supply in my Xbox is rated for a maximum of 96W output, most of which is on the +5V line. the sticker on the back of my Xbox also says it draws 2.1A. 120Vx2.1A=252W draw. this would be a miserable 38% PSU efficiency if true (and i have never seen such a miserable effiiency), so i think MS is overstating it a bit on their sticker.

assuming the PSU is in full use, and assuming a low-end PSU efficiency of 70%, we can make an educated guess that the worst-case power draw of the Xbox is about 140W.
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post #4 of 7 Old 11-08-2004, 09:27 AM
 
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since you mentioned the manual, i dug mine out. in the specs, MS states a power draw of 100W, which i would say is on the low side. looking at the number MS states, and what the actual math tells us, we can assume an average power draw of about 120W.

i could actually go find all the spec sheets of the parts and find out the real draw, but that sounds like way too much work just to find out the specific draw of just my v1.0 box. hell, i already know that the specs arent right inside this box, if simply for the fact that the PSU in mine supplies 12V@1.2A, and yet the Thompson DVD asks for 12V@2A according to the sticker on the drive. :) probably one of the many reasons that the Thompson drive is such a terrible fit for the Xbox...
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post #5 of 7 Old 11-08-2004, 02:00 PM - Thread Starter
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Thanks!
Ballpark is good enough.
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post #6 of 7 Old 11-08-2004, 04:54 PM
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See, I was right. 100 W is less than 11,256. What more did you want?
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post #7 of 7 Old 11-09-2004, 07:26 AM - Thread Starter
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In the park, not the parking lot.

:)

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