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My build formula v mobo has 2xs 4 pin needed on psu

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October 15, 2012 9:27:24 AM

help me out here as i have looked for hrs for a 1kw psu that supports 2x 4pin 12volt boards and come up blank any helps appreciated i know what there for there for overclocking power for cpu but im not sure what psu supports this plz name a few if ya can thanks for ya time
October 15, 2012 9:42:56 AM

You can use a 4pin connector on an 8pin board. Just plug the 4pin in the slots closest to the CPU. It will work fine.

Also 1000W is very overkill for almost any machine. 650W is more than enough for a single card rig.
October 15, 2012 10:26:05 AM

ok ty for your response i feel i need to fill you in with a little more information first i will be using these items in my build and upgrading to 2 sli graphic cards R7970 hd black edition but this is not what the 4 pin configuration is for its for the overclocking on the fx 8150 8-core cpu so can you kindly just name some psu's with this 2 of 4 pin connectors @ 1kw ty for any reply
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October 15, 2012 10:53:00 AM

Now that's not bad i must admit thanks for your suggestion my friend appreciated anymore plz post em ty ill look on reviews and pick the most stable-quiet hense a lil power hungry = turn fan down= less noise :)  and not so much heat
October 15, 2012 11:12:33 AM

erm a can of worms has been opened now i have just seen the light and was wondering is ErP / EuP not ready a thing to worry on ? in this build.
October 15, 2012 11:28:18 AM

ErP/EuP is a standard set by the European Union that at complete power off, the system will consume less than 1W. You need a ErP/EuP ready motherboard as well.

Its not that important, your machine will run just fine without it. And the power draw of a non ErP/EuP system when powered off will still be tiny.
October 15, 2012 11:55:29 AM

200w is what you are missing.
October 15, 2012 11:58:12 AM

yer but for £30 less i gain 200 watts
October 15, 2012 12:02:34 PM

Thats not what I'm seeing.

1200W - 154 Pounds
1000W - 139 Pounds
October 16, 2012 9:27:39 AM

Silverstone Strider 1200W Modular '80 Plus Gold' Power Supply (SST-ST1200-G)
The Strider Gold models are built on similar platform as the award-winning Strider Plus series but with even higher efficiency ratings.
Average rating of 5.0 Silverstone 10+ in stock £139.99

Silverstone Strider Gold 1000w '80 Plus Gold' Modular Power Supply (ST1000-G)
To make great power supplies even better, SilverStone engineers delved into the details with the Strider Gold series.
Silverstone 3 in stock £169.98


October 20, 2012 7:59:28 AM

a lttlel update for anyone interested i put the Silverstone Strider 1200W in my basket and when i re-logged in after depositing money in bank for that and OS saw that price had rose to £199 but luckily i had it in my basket and still got my delivery at £139.99 thank you overclockers :) 
October 20, 2012 8:04:40 AM

my new thred is ...XFX Radeon HD 7970 FX-797A-TNBC compatible with other in its range for CF?
October 20, 2012 8:09:09 AM

SLI is with Nvidia cards, Crossfire is AMD.

It has two crossfire connectors (meaning it can get up to 4 cards in Crossfire), and there isn't any reason why it wouldn't work.
You can mix brands in a Crossfire setup, though you are better having identical cards.
October 21, 2012 12:56:23 PM

XFX Radeon HD 7970 Black edtion has a overclocking option on it what would this mean if used in CF would i need to OC the same card to same speeds ect for them to work in tandem or is OC only ment for single card use?
October 21, 2012 8:52:34 PM

You can clock the cards to different speeds in a Crossfire setup, but can lead to issues. Best off clocking them the same.
November 9, 2012 8:54:54 AM

can you crossfire HIS Radeon HD 7970 X2 with r7970 black edition? this is exciting news on the gfx front i hope there compatable but not alot out there to say wether i can or not ?
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