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Author Topic: Could a 6 x 3870 GPU Crossfire be possible...?  (Read 7984 times)
Sk.7
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« on: February 22, 2008, 01:33:00 AM »

Hello there! Smiley

I know it must be naive of me, but I was wondering whether this could be possible anytime soon as newer and newer releases of the Crossfire X drivers emerge? Wink

3870X2 + 3870 + 3870 + 3870X2 = Crysis at 1920x1200 with a bearable FPS!! Cheesy

=

There are plenty of motherboards supporting up to 4 PCI-E slots and also, looking at the 3870 series, CF-connector-wise it could be possible, hmm? Huh

Any objections where my precarious theory could fail at...? I know once every dream comes to an end... Undecided

*newbie forumer over and out*

^ Eh, silly me, forgot to remove the "Kick me!" sign from my back! Grin
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Doctor_Death
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« Reply #1 on: March 01, 2008, 01:15:55 AM »

Its not only a mobo,but a case with enough expansion slots. I just bought the new Lian Li PC-P80. This case comes with 10 expansion slots instead of 7. It also has 12 5.25 drive bays.Holds six HDDs with both HDD cages included, and has alot of room. Expensive, yes but you do get what you pay for. It has 3 / 140mm fans on the front door with a tabed filter that you can wash.there's also another 140mm on the top and a 120mm rear,It also comes with a built in fan controller for the 4 / 140mm fans. Price runs from $379 - $399.99
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eVGA790i, QX9650@4GHz 12TEC Boreas , two 9800GX2s, 150Gb Raptor WD750Gb, 4Gbs OCZ DDR3 1600MHz, Silverstone 1200W, 2 Lite On 20X DVD Burners, Lian Li P80, Saitek Blue Eclipse, Razer Diamondback3G, Razer eXact Mat, XHD3000 30inch 1600p LCD, 3DM06 21,997  3DMarkVantage 18,997 Vista Ultimate 64Bit
aznstriker92
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« Reply #2 on: March 01, 2008, 04:33:05 PM »

One thing is I don't even know if the 3870X2 is optimized for octofire so connecting it with 3 other cards would be impossible. right? I don't remeber seeing more than one crossfire connectors.
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Running a X600 128mb, In need of a new graphics card badly......
fudo
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« Reply #3 on: March 01, 2008, 04:57:12 PM »

ATI said that Crossfire X will support bastard crossfire but not more than four chips.
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aznstriker92
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« Reply #4 on: March 01, 2008, 08:25:59 PM »

I thought so..
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Running a X600 128mb, In need of a new graphics card badly......
Jon
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« Reply #5 on: March 02, 2008, 07:26:53 AM »

Yeah it would be the same way with SLi.  I highly doubt that Nvidia's driver team is able enough, in their right minds, to develop an octal-SLi driver for Vista x86, Vista x64, XP x86, and XP x64 with continuous support.  Just unheard of..would be nice though.
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fudo
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« Reply #6 on: March 02, 2008, 11:27:44 AM »

ATI Director who is in charge for Crossfire said that more than four chip wont go and even if it worked the performance increease would be marginal. I guess that 8 cards would be 5-10 percent better than four card and the price difference is enormous
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manwe
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« Reply #7 on: March 02, 2008, 04:52:32 PM »

ATI Director who is in charge for Crossfire said that more than four chip wont go and even if it worked the performance increease would be marginal. I guess that 8 cards would be 5-10 percent better than four card and the price difference is enormous

Just think of the Power Consumption Cheesy
if we consider each 3870X2 uses about 250Watts so we will endup with for of them which means 1000 W for the GPUs it self (the worst situation under full load of cpu bla bla bla)
so if we add OCed phenom X4 and the rest of the system we will end up with another 250-300 Watts
so the total would be around 1300 Watts finally if we add efficiency of 80% we will end up drawing 1625Watts which means 7.3 Amps on regular 220Volts outlets Cheesy
so you can't power up more than two of them in your home Cheesy


poor nature Cry

out of imaginations , I hope PCs never end up drawing this much of power.
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Jon
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swallow your pride.

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« Reply #8 on: March 02, 2008, 07:22:35 PM »

rofl who uses a 220v outlet for their PC?  I just think that's overkill in my opinion.

Oh and if anyone could clarify, I have a quick question about drawing power from a UPS battery backup.  If, say an PC with an 800w PSU is plugged into a high-end 1600VA UPS, does the PC receive "phantom power" from the battery in the UPS, or does it still receive power directly from the wall?  I'm not sure how it works.  Basically what I'm asking is - will having a UPS lower power consumption at all?
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Nele
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« Reply #9 on: March 02, 2008, 07:26:51 PM »

rofl who uses a 220v outlet for their PC?  I just think that's overkill in my opinion.

Europe for example...
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aznstriker92
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« Reply #10 on: March 02, 2008, 08:01:30 PM »

ATI Director who is in charge for Crossfire said that more than four chip wont go and even if it worked the performance increease would be marginal. I guess that 8 cards would be 5-10 percent better than four card and the price difference is enormous

well if you are running dual monitors @ 2560 1900 on a graphic intensive game maybe it might scale a bit better.
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Bristolbulldog
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« Reply #11 on: April 24, 2008, 12:53:11 PM »

Its not only a mobo,but a case with enough expansion slots. I just bought the new Lian Li PC-P80. This case comes with 10 expansion slots instead of 7. It also has 12 5.25 drive bays.Holds six HDDs with both HDD cages included, and has alot of room. Expensive, yes but you do get what you pay for. It has 3 / 140mm fans on the front door with a tabed filter that you can wash.there's also another 140mm on the top and a 120mm rear,It also comes with a built in fan controller for the 4 / 140mm fans. Price runs from $379 - $399.99

i'd go for the thermaltake mozart tx.

10x 120mm fans, and enough room to support multiple water cooling loops, raids etc.

Also, it actually takes up less space than a typical case, as it puts the hard drives, and dvd drives above the motherboard not infront, so its footprint is small.

Enough room for two power supplies as well! you'll need that!
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macxell
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« Reply #12 on: May 01, 2008, 09:45:13 PM »

this is real?HuhHuh  Shocked Shocked http://www.bilgiustam.com/512mb-ati-hd-4870rv770-1gb-geforce-9800-gx2-crysis-ve-3dmark-2006-testleri/
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fwoot
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« Reply #13 on: May 02, 2008, 02:17:02 AM »

where did they get a 4870 from?Huh?
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macxell
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« Reply #14 on: May 02, 2008, 03:00:50 PM »

dont know but if this is real..omg Shocked
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