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Old 08-31-2013
jack-o-bytes jack-o-bytes is offline
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Question Atrix 650w PSU (photo heavy)

Hey all. After uploading pictures of a terrible DRAGON power supply and getting such a good interesting response I was wondering what you all thought of this power supply? It is an Atrix 650w model but I took the sticker off as I needed to when I took it apart before. I then lost it haha.

It is currently powering a pentium 4 system with a 9400gt so nothing too tazing haha. Also a bonus picture is my TDA2050 amplifier that I made and school. I modified it a bit compared to school design upping the voltage from 9v to the 25v that the TDA2050 chip can handle haha

What do all you guys recon? Here are some photos.









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Old 08-31-2013
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Low-end half bridge with passive PFC and crappy caps. Next.
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Old 09-01-2013
rafal_iB_PL rafal_iB_PL is offline
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And it obviously can't do 650W. 300-350W on a good day would be my bet.
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Old 09-01-2013
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Looks like a Wintech or possibly Young Year OEM. The design looks capable of 400W or so, but it will depend on the silicon used. Assuming it's 12A switchers, with a 16A fast recovery rectifier on the 12V, then 350W is probably a more realistic limit. It would probably do OK as long as you keep it below that (until the caps go bad).
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Old 09-01-2013
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Definitely a Young Year. They're built a bit better than most cheap half bridge units, but not much better. If recapped, I would trust it with a low end, older system.

6.3A fuse in a design this old and inefficient means it is probably a 300W unit at best.
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