enough power for 8600gts?

dantheman1320

Junior Member
Apr 6, 2008
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Hi guys i'm doing my first ever system build, and purchased a xion case which had a built in 450wat power supply:
http://www.microcenter.com/sin...tml?product_id=0255735

and I was just wondering if it will be enough to power a 8600gts such as:
http://www.newegg.com/Product/...x?Item=N82E16814130084

I dont particularly understand the whole 12v rating thing, etc. If anyone could shed some light on this and let me know if it will be compatible that would be great, thanks.

PS.

planning on using a gigabyte GA-P35-DS3L, E4500 duo core, crucial 1GB ram if its any help.
 

IL2SturmovikPilot

Senior member
Jan 31, 2008
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It has enough power,though PSu's built in cases are almost always poor quality,and a 9600GT is only around $20 more then that 8600GTS,yet it offers MUCH better performance.
 

dantheman1320

Junior Member
Apr 6, 2008
4
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0
thanks for the heads up, so if I got the 9600 I would need a different power supply? I ask because ive been trying to go cheap, under 400-500 preferably.
 

dantheman1320

Junior Member
Apr 6, 2008
4
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0
also is there a difference in regular pci express x16 and express 2.0, will 2.0 work with my gigabyte ga-p35-ds3l? thanks guys.
 

Phris

Member
Jul 15, 2007
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PCI-Express 2.0 is merely a faster version of the PCI-E bus and is completely backwards-compatible with earlier PCI-E 1.0 slots.

So yes, it will work.
 

The Bakery

Member
Mar 24, 2008
145
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There is 30a on the 12v rail for that power supply, which is more than enough for
the card you're getting, but if the PSU is crap, it might not provide that, or it might
fluctuate.

Included case PSU are not exactly reputed as the best quality.

You might think about getting a 400/450w quality PSU with sufficient amperage on
the 12v rails (30 is good) to replace the one that came in your case if you have the
money.

I have a fortran 400 watt that's been nothing but perfect and runs my 8800gt great.

You might also consider 2gb of ram, since it's super cheap right now. You can get 2
gigs of DDR2 800 for $29 after rebate:

http://www.newegg.com/Product/...x?Item=N82E16820145034
 

error8

Diamond Member
Nov 28, 2007
3,204
0
76
Originally posted by: dantheman1320
Hi guys i'm doing my first ever system build, and purchased a xion case which had a built in 450wat power supply:
http://www.microcenter.com/sin...tml?product_id=0255735

and I was just wondering if it will be enough to power a 8600gts such as:
http://www.newegg.com/Product/...x?Item=N82E16814130084

I dont particularly understand the whole 12v rating thing, etc. If anyone could shed some light on this and let me know if it will be compatible that would be great, thanks.

PS.

planning on using a gigabyte GA-P35-DS3L, E4500 duo core, crucial 1GB ram if its any help.

Actually that PSU is pure crap. It should work with your system, but for the price it has I really don't trust its 12 V ratings and also its 450W capability. It's a PSU that probably won't live long in your computer.
So my advice is to spend more on it, because you don't want to ruin your whole computer because of a cheap power supply unit.
 

The Bakery

Member
Mar 24, 2008
145
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0
The deal with the 12v rail is:

The 12v rail provides power at 12 volts, rather than 5, etc.

Power is rated in amperage, ie +12v @ 16a. That's 12 volts
at 16 amperes. Without being too detailed, amperage is the
amount of energy available.

If you have two 12v rails, you add them effectively. So two
12volt rails at 14a = 28amps on the 12volt.

The difference with quality power supplies, as I understand
it, is the lack of noise or fluctuation in that signal, and the
ability of the PSU to ACTUALLY provide that constantly.

Hope that helps - enjoy your new system!

edit - typos
 

error8

Diamond Member
Nov 28, 2007
3,204
0
76
Originally posted by: The Bakery
The deal with the 12v rail is:

The 12v rail provides power at 12 volts, rather than 5, etc.

Power is rated in amperage, ie +12v @ 16a. That's 12 volts
at 16 amperes. Without being too detailed, amperage is the
amount of energy available.

If you have two 12v rails, you add them effectively. So two
12volt rails at 14a = 28amps on the 12volt.

The difference with quality power supplies, as I understand
it, is the lack of noise or fluctuation in that signal, and the
ability of the PSU to ACTUALLY provide that constantly.

Hope that helps - enjoy your new system!

edit - typos

Actually is not like that. If you have 2X12 V rails, each one rated with 14A you won't have 28 amps on the 12 V rails. You have to know what is the total power that all the 12 V rails combined offers. If you know that then you'll divide it to 12 and so you have the amperage for the combined rails.