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Old 3 Weeks Ago   #1 (permalink)
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Default Can I CF with this PSU?
Hey everyone,

Looking for some good advice here. Based on my 'sig rig', can I add in another 4890 to this system?

One thing to mention, I plan on replacing the two raptors with ssd's in the not too distant future.

I'm just not so sure the PSU will handle everything plus another 4890. I did buy it within the last 30 days, from MicroCenter, so I think I could return it and replace it with something else.

Thanks for the replies!

Marc

System: First H2O o/c
CPU
AMD Ph II x4 965		 Motherboard
MSI 790FX GD70		 Memory
OCZ Platinum 1600 C7 2x2GB 		Graphics Card
VisionTek 4890OC 1GB
Hard Drive
2 x 30GB OCZ SSD RAID_0, WD 750 & 640 GB		 Sound Card
on-board		 Power Supply
Corsair TX-750w		 Case
CM - HAF 932
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Old 3 Weeks Ago   #2 (permalink)
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Oh yes. Your PSU will have no problem handling that load. You'll be approaching the max, but it will handle it just fine and dandy.
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Old 3 Weeks Ago   #3 (permalink)
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You'll be just fine.
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Old 3 Weeks Ago   #4 (permalink)
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Really?

I hear these 4890's are power hogs and really thought the two cards were going to want about 600+ watts, not leaving enough for the 4 drives and everything else (read 140w cpu).

Thanks for the quick reply's!

Marc

System: First H2O o/c
CPU
AMD Ph II x4 965		 Motherboard
MSI 790FX GD70		 Memory
OCZ Platinum 1600 C7 2x2GB 		Graphics Card
VisionTek 4890OC 1GB
Hard Drive
2 x 30GB OCZ SSD RAID_0, WD 750 & 640 GB		 Sound Card
on-board		 Power Supply
Corsair TX-750w		 Case
CM - HAF 932
CPU cooling
DangerDen 4101 w/240 Xtreme II rad		 GPU cooling
stock (ZEROTherm)		 OS
W 7 Ultimate x64		 Monitor
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Old 3 Weeks Ago   #5 (permalink)
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Yeah. Really. That PSU will handle 2 4790.
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Old 3 Weeks Ago   #6 (permalink)
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You'll have plenty of power left over after you crossfire those cards.
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Old 3 Weeks Ago   #7 (permalink)
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Awesome! Thanks!

I was sure I couldn't do it. Those VisionTek's (currently running 1040/1140 @57c max load!) are $207 at the local MicroCenter, I may just have to go pick another one up!

Marc

System: First H2O o/c
CPU
AMD Ph II x4 965		 Motherboard
MSI 790FX GD70		 Memory
OCZ Platinum 1600 C7 2x2GB 		Graphics Card
VisionTek 4890OC 1GB
Hard Drive
2 x 30GB OCZ SSD RAID_0, WD 750 & 640 GB		 Sound Card
on-board		 Power Supply
Corsair TX-750w		 Case
CM - HAF 932
CPU cooling
DangerDen 4101 w/240 Xtreme II rad		 GPU cooling
stock (ZEROTherm)		 OS
W 7 Ultimate x64		 Monitor
2 x 22" Acers
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Old 3 Weeks Ago   #8 (permalink)
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Yes that is a high quality PSU, and perfectly suited for those cards in every way . Have fun with em!
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Old 3 Weeks Ago   #9 (permalink)
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Super PSU and will easily handle those two cards with room to spare...dont worry about it.
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Old 3 Weeks Ago   #10 (permalink)
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The 4890 is 190w gpu and draws about 170w on load. The 750tx can do 60a/720w on 12v, which is better than many generic 900w out there. It should be fine.
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