How much power do I need?

[davew]

I have an ASUS P67PRO motherboard and a radeon 5850 graphics card 2 sata drives and a blu ray drive what sort of power supply do I need?
My 500W generic supply is not up to the job has anyone got any suggestions
thanks

Dave

[mikeo01]

550W - 600W should be fine. Generics usually can't provide enough power. Go for branded, Corsair, XFX, OCZ etc

http://extreme.outervision.com/psucalculatorlite.jsp

[c12038]

I have an ASUS P67PRO motherboard and a radeon 5850 graphics card 2 sata drives and a blu ray drive what sort of power supply do I need?
My 500W generic supply is not up to the job has anyone got any suggestions
thanks

Dave

Hi there

Looking at what you have stated a Psu of 550w to 650w with 40A+ on the +12v rail like these, Also your GFX card requires (Radeon HD 5850 - 35-40A and a 500W PSU minimum) as per stated here http://forum-en.msi.com/faq/article/...graphics-cards

http://www.ebuyer.com/174182-ocz-mod...-ocz600mxsp-uk

http://www.ebuyer.com/283836-be-quie...ular-psu-bn182

http://www.scan.co.uk/products/550w-...12v-fan-atx-v2

http://www.scan.co.uk/products/600w-...an-atx-v23-psu

this should help

Also here is info regarding the 80+ certification http://www.scan.co.uk/tekspek/power-...-certification

[Pob255]

looking at what he's told us, he's not mentioned cpu or overclocking.

That list is a good base guide but no more than that, there's some real major inconstancies in that list
eg a gtx460 needing more amps than a gt220 but less watts . . .
A good 400w psu should have at least 28-32amp on the 12v and you'd probably be surprised how much it'll power.

[Greecean]

as a reference, when i was on:

-2500k stock
- p67 msi mobo
-5850 stock

i was drawing about 350W at full load

Alot of people overestimate what psu to buy, which is fine is your expecting future upgrades, but not if your on a tight budget

my 580 sli rig, i was told id need an 850w psu, which is what i got - at full load it draws 575w from the wall...