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cfx? can i cfx 4850+4850+4870x2?

post #1 of 8
Thread Starter 
Can I cfx 4850+4850+4870x2? Does the order of cards effect performance?
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Core 2 Haf
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post #2 of 8
technically yes. However the 4870 would then act like a 4850x2 and quad 4800's scales like **** so no. Just use the 4870x2. You will also save on power not running the 2 4850's
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post #3 of 8
Thread Starter 
my 4870x2 has no video but, i have reason to believe it still technically works dues to the video signal circuit being broke AFAIK it could possibly be a secondary cfx card ooorrrrrr not.

what about 3 hd4850s?
do i need a long cfx cable if slot spacing is 2?

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157266

there are 2 slots in between PCIe 16 on this board (gotta have my D1)

EDIT: it is a TX850W PSU so power isn't concern, power bill neither.
Edited by cdoublejj - 2/4/12 at 7:31pm
Core 2 Haf
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Core 2 Haf
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PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
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post #4 of 8
Thread Starter 
bump?
Core 2 Haf
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Core 2 Haf
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post #5 of 8
Yep, a long crossfire ribbon along with a short one for three 4850s with that motherboard.

And you can crossfire two 4850s with a 4870x2.
    
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post #6 of 8
Thread Starter 
I assume it is true the scaling is poor?
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Core 2 Haf
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post #7 of 8
Quote:
Originally Posted by cdoublejj View Post

my 4870x2 has no video but, i have reason to believe it still technically works dues to the video signal circuit being broke AFAIK it could possibly be a secondary cfx card ooorrrrrr not.

what about 3 hd4850s?
do i need a long cfx cable if slot spacing is 2?

http://www.newegg.com/Product/Product.aspx?Item=N82E16813157266

there are 2 slots in between PCIe 16 on this board (gotta have my D1)

EDIT: it is a TX850W PSU so power isn't concern, power bill neither.


3 x 4850s with that board? Not recommended because the third card will run @x4. 2 cards should be fine.

 

3 PCIe slots @x16/x16/x4.

 

 
 

 

 

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ケンジ
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2x 6990 + 580 16GB 2133 MHz 24GB 2000 MHz 120GB x 2 RAID0 
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120GB x 4 RAID0 Raptor 300GB x 2 RAID0 CPU-370 CPU-370 
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post #8 of 8
Thread Starter 
sounds like i'd be better off at 4850+4870x2 @ 16/16 and just leave the extra 4850 in another machine.
Core 2 Haf
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CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
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Core 2 Haf
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CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
  hide details  
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