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minimum watt PSU for core2 system

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Original Message
Name: blast
Date: October 18, 2006 at 17:26:11 Pacific
Subject: minimum watt PSU for core2 system
OS: na
CPU/Ram: 2gb
Comment:

I'm building a system with the following specs:
E6300 core2
Gigabyte DS3 mobo
2GB ocz platinum 800Mhz ddr2 ram
400GB sata2 7200rpm HDD
7600GT video card
52x CDRW/CDROM

I ordered a 500W power supply, but that won't be arriving for a few days, so I was wondering if it would be safe to set my system up with my old Antec smartpower 350W PSU for the meantime. I'm planning on overclocking this processor to near 3Ghz, but I'm guessing that wouldn't be a good idea on 350W of power. I also have 2 more IDE drives id like to connect to the system, should I not do that until I get the other power supply?

One last thing, if I decide to use the stock heatsink/fan and then want to replace it with a beter one, do I have to remove the thermal paste that the old HSF left over or will the old one mix with the new one just fine?


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Response Number 1
Name: jam
Date: October 18, 2006 at 17:55:07 Pacific
Reply: (edit)

Hopefully the 500W PSU you ordered is a good one. It should conform to the latest ATX12V standard & be a reputable name brand, & it *should* have cost you at least $75 (unless it was on sale).

AFAIK, if you use other than the stock HSF, you will void the Intel warranty. But to answer your question...if you change the HSF, you MUST remove ALL traces of the old thermal pad/compound. Do NOT mix the new with the old.


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Response Number 2
Name: Sabertooth
Date: October 18, 2006 at 19:47:43 Pacific
Reply: (edit)

"One last thing, if I decide to use the stock heatsink/fan and then want to replace it with a beter one"

Do you already have the after-market HSF or yet to get it. If you haven't you probably shouldn't, because the E6400 is only about $35.00 more than the E6300 and a new HSF can easily wipe out that difference.

The reason for the above is that you probably won't get an overclock with an E6300 and the after-market HSF that is equivalent to what you'd get with an E6400 using the stock HSF. Just something for you to think about.


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Response Number 3
Name: blast
Date: October 18, 2006 at 22:39:01 Pacific
Reply: (edit)

Thanks for the advice guys. Can someone answe my main question though: will 350W support my system?


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Response Number 4
Name: jam
Date: October 19, 2006 at 06:03:57 Pacific
Reply: (edit)

Does your 350W PSU have a 24-pin main plug & dual +12v rails? Or if it only has a single +12v rail, does it have at least 18A? If not, you'd be better off waiting a few days until your new 500W unit comes in. In the meantime, you can benchtest the board with the 350W to make sure it works, then install it in the case & prepare for the 500W


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