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PSU:Gigabyte or seasonic.

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July 25, 2010 7:37:09 PM

how about gigabyte 460w for crossfire.

More about : psu gigabyte seasonic

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a c 164 ) Power supply
July 25, 2010 8:03:47 PM

forget the gigabytes, i would not trust them to CF anything

the antec, corsair and seasonics would be what to look at. all four offer similar amps on the 12v, 29 -32. The two seasonics are bronze certified but the corsair (made by seasonic) and antec are only slightly less efficient. You can't go wrong with any of those. check to see they offer as many connections as you need for molex & sata as lower cost units tend to skimp on them.
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a b ) Power supply
July 25, 2010 10:35:42 PM

Hi.

Here are the system requirements for the 4670

ATI Radeon™ HD 4600 Series System Requirements

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
400 Watt or greater power supply (550 Watt for ATI CrossFireX™ technology in dual mode) is recommended
Certified power supplies are recommended. Refer to http://support.amd.com/us/certified/power-supplies/Page... for a list of Certified products
1GB of system memory recommended
Installation software requires CD-ROM drive
DVD playback requires DVD drive
Blu-ray™ playback requires Blu-ray drive and full 1080p display requires a 1080p-capable monitor
To enable dual mode ATI CrossFireX™ technology, a second ATI Radeon™ HD 4600 Series graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable (included) is required.


The recommended PSU is for the entire system so only the Gigabyte 550W SMPS meets the Crossfire requirements but Gigabyte is only good for Motherboards and GPUs not for PSUs.

Go with one of this options:

1- CORSAIR CMPSU-550VX
2- Corsair CMPSU-650TX
3- Corsair CMPSU-650HX

The last two Corsair PSU can handle any future upgrade and Crossfire that u want to do until the 5870.
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a c 164 ) Power supply
July 25, 2010 11:32:17 PM

that may be the ATI requirement but its complete crap. The ATI 4670 runs on just about any generic 300w PSU and a lot of people run it on 250-275w. All those corsair PSU are way more power then anyone needs to run a single 4670 or even a pair in CF.

in fact a system with an OC i7 will not even break 250w

http://www.techspot.com/review/245-ati-radeon-hd-5570/p...
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July 25, 2010 11:46:09 PM

ct1615 said:
forget the gigabytes, i would not trust them to CF anything

the antec, corsair and seasonics would be what to look at. all four offer similar amps on the 12v, 29 -32 (antec is at the top). The two seasonics are bronze certified but the corsair (made by seasonic) and antec are only slightly less efficient. You can't go wrong with any of those. check to see they offer as many connections as you need for molex & sata as lower cost units tend to skimp on them.


if antec is at the top then should i go for antec430 over seasonic430?
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a c 164 ) Power supply
July 25, 2010 11:51:34 PM

actually they are both at 30a. like i said, flip a coin. you can't go wrong with either one or the corsair.
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July 25, 2010 11:59:58 PM

ct1615 said:
actually they are both at 30a. like i said, flip a coin. you can't go wrong with either one or the corsair.


30a?? antec is cheaper.aint it?
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a c 164 ) Power supply
July 26, 2010 12:06:43 AM

30a (amps) on the 12v rail
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August 2, 2010 10:58:21 AM

Best answer selected by hekicks.
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