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PSU for 8-pin CPU connector?

Posted on 2008-06-17
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Last Modified: 2013-12-11
I recently bought motherboard Foxconn P9657AA-8EKRS2H and now found there's an 8-pin cpupower connector instead of a 4-pin conector on it. Which brings up the issue of what PSU would be compatible / advisable for use with this motherboard. There's no compatibility list for that matter on the Foxconn site.

Other hardware installed:
- CPU: Intel Q6600 Core2 Quad
- RAM: 4x 2Gb Kingston
- HDD: 4x 80Gb Seagate SATA2
- VGA: Foxconn GF7200GS

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Question by:ruud00000
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by:☠ MASQ ☠
☠ MASQ ☠ earned 300 total points
ID: 21806547
Ideally you should use a  4 pin p4 to 8-pin EPS12V  adaptor
http://www.i-tech.com.au/products/18778_EPS_12V_Adapter_4_Pin_Molex_to_8_Pin.aspx

Don't forget there's a separate 4 pin Molex just above the PCI slot on this board as well.

You need a fairly high rated PSU
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Gary Case earned 400 total points
ID: 21806633
NO !!   Use an EPS12V power supply => it will have the 12v bus capacity to properly handle the CPU load on that connector.   There's a reason there's an 8-pin connector on an EPS12V system => the load is large enough that it needs to be distributed across more "feeds" (wires) from the PSU.

Just buy any EPS12V power supply and you're fine.  I know you're in Europe and can't buy from Newegg, but this would be a very good unit if your distributor has this model available:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151034
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by:PUNKY
PUNKY earned 300 total points
ID: 21806678
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Expert Comment

by:☠ MASQ ☠
ID: 21806873
>>NO !!   Use an EPS12V power supply
Yes agreed - sorry - thought you had already got a PSU without the correct plug rather than buying a new PSU.
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by:ruud00000
ID: 21807090
Would this do (¬44,00 ex VAT):

Raptoxx SPS RT-500ABP

http://www.raptoxx.com/pdf/psu/advance/RT-500ABP.pdf 

Features
" 500 Watts Max Power
" Eco-friendly through Passive PFC
(Power Factor Correction)
" Certifications: CE, FCC, CB, BSMI, UL, TÜV,
CUL, WEEE, RoHS
" Supports ATX12V Power Supply
Design Guide Version 2.2
" Blue back-lighted I/O Switch-on button
" 14cm Silent Fan
" Fan Silent Control Design
" Supports PCI-E Technology
" Supports Intel Pentium Dual &
AMD Athlon 64 CPU
" Supports Pentium Processor Extreme Edition
" 2 rails +12V1, +12V2 Output
" 2 independent +12V OCP
(Over Current Protection)
" 20+4 Pin Main Power Connector
" 8 Pin EPS Connector
" 4 S-ATA connectors
" All power connector pins are gold-plated
" Black brushed coating
" 24 Months Warranty
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by:☠ MASQ ☠
ID: 21807131
Yes, can't see you are going to be short of anything with that spec.
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Expert Comment

by:Gary Case
ID: 21807264
Yes, that's got plenty of power, and has the 8-pin EPS connector your motherboard needs for the CPU.
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