Tom's Hardware > Forum > Graphic & Displays > Graphics Cards > Do i have enough power?
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html33   08-15-2008 at 01:35:48 PM

Hello guys, Here for alittle help!

Right, I'll start of saying my system specs


CPU : Q6600 B3
Motherbored : Asus P5k - Premium Wifi
RAM: Crucial Ballistics Pc8500 1066Mhz [4Dims X1Gb]
Graphics Card: BFG 8800GT OC2
Power Supply : Hiper 680W
Case : Antec 900
4 HDD
1 CD drive
1 Floppy Drive
1 card reader


I plan to change the graphics card with a Evga Nvidia 260/280

Power suply URL : http://www.hipergroup.com/products [...] cification

Can i power it?






--Side note:

Quote :

425W PCI Express-compliant system power supply with a combined 12V current rating of 28A or more



That is for my GT, so if that needs 28A and from reading my product description for my PSU says 18 so thats why i came to you.

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jtt283   08-15-2008 at 01:48:46 PM
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According to the specification, your PSU has four 12V+ rails, each of them capable of up to 18A, although the total on all of them is limited to 52A (rather than 4x18 which would be 72A). If your PSU is of sufficient quality (not sure about Hiper, was only tier-4 on an old list), you should have no problems at all.

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georgy   08-15-2008 at 01:53:17 PM
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Yes, they ask 28a COMBINED. This psu has 4 rails of 18A = 72 (if it works like that). The wattage is enough and you have 2 pci-e 6 pin connectors and 1 pci-e 8 pin connector and you need 1 of each so you are fine.

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html33   08-15-2008 at 01:53:58 PM
- 0 +

Yeah, That's what i thought. Although wanted more advice from somone who knew what they were doing.

And on the qualityi personaly think they are 100% spot on. I dont get much fluctuation on my OC'd rig under loads.

Thankyou so much though!


[Side note, The psu is not old so that should be even better!]

Reply to html33
nottheking   08-15-2008 at 03:03:18 PM
- 0 +

I think that Hiper model is a bit better than the same company used to do in the past, so that means that you should be just fine with that.

With the hardware you've got, a solid-quality 400w unit would've been fine. The Hiper isn't a gold-standard PSU, but at 680w it should be plenty sufficient.

Reply to nottheking
html33   08-15-2008 at 03:15:48 PM
- 0 +

Alright, Thanks for that information!!

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