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PSU upgrade for future CrossfireX 6870s

post #1 of 22
Thread Starter 
I'm going to get a 6870 in the near future and have realized my 450W PSU that came with my V4 is not going to be enough. I figure if I'm upgrading I may as well do it right the first time and get a PSU powerful enough to last me for a future crossfire. I really want to keep it below $100 and I'm in australia, so no newegg for me . I came across the CoolerMaster eXtreme Power Plus 700W, and Corsair CX600 V2 for $87 and $89 respectively as MSY. I need at least a 600W for the crossfire, and would like more but not if i'm sacrificing quality (hence not getting the $44 SHAW 1200W) so is the CoolerMaster a good quality PSU? or am I better off getting the Corsair?
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Hard DriveHard DriveOSMonitor
WD 7200RPM 500GB Misc 80GB SATA Hard Drives Windows 7 Home Premium x64 Samsung Syncmaster 940N 
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post #2 of 22
The Corsair would be better than the Coolermaster one.
Now you can get the Antec EarthWatts EA-650-Green Watt PSU $99, which is another great choice, as its made by Seasonic.
For $10 more, id rather get the Antec over the CX600.
http://www.msy.com.au/product.jsp?productId=7680
The only thing is that the Antec do not come with a power cord, so you can use your old one you have. Also the 6870 requires 2x6pin, so crossfire need 4x6pin. PSU only has 2x6pin.
You'll need to use an adepter or ones that comes with your card (Which I dont like)
Edited by Sp33d Junki3 - 10/29/11 at 12:57am
    
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post #3 of 22
Quote:
Originally Posted by Sp33d Junki3 View Post
The Corsair would be better than the Coolermaster one.
Now you can get the Antec EarthWatts EA-650-Green Watt PSU $99, which is another great choice, as its made by Seasonic.
The EarthWatts are made by Delta not Seasonic

@OP, both the CX and the eXtreme Power Plus are poor units and both are overrated, don't buy either.

A solid 550W unit will deal with your CFX setup with ease.
The only good options that come close to your budget are the Antec TPN 550 and the Antec HCG 620 both around 105$ and as suggested above the Antec EarthWatts 650D Green but all of these units come with only two PCIe connectors so you'll need adapters.

Can you buy from other shops?.. and if you do link them below for better suggestions.
post #4 of 22
Do you plan on overclocking at all? If so, then you would not be comfortable with a 700w psu.
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Blue
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Dirty 6
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post #5 of 22
Quote:
Originally Posted by Acefire View Post
Do you plan on overclocking at all? If so, then you would not be comfortable with a 700w psu.
And how exactly did you come to that brilliant conclusion?
post #6 of 22
Thread Starter 
yeah, the only other shops in my area that are feasible are PLE and maybe Austin Computers. adapters aren't an issue for me, I'll get them if/when I need them as the crossfire will still be some time away. Out of interest, is it likely that the 450W included with my V4 will deal with a single 6870? if i were to get an adapter for the second PCI-E plug? as for overclocking, yes in the not too near future I would like to but that's not a priority at the moment.
My System
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Antec HCG-620 Thermaltake V4 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x4 955 BE ASUS M4A87TD-USB3 Powercolor Radeon HD6870 1GB 4x GeIL Value 2GB 1600MHz 
Hard DriveHard DriveOSMonitor
WD 7200RPM 500GB Misc 80GB SATA Hard Drives Windows 7 Home Premium x64 Samsung Syncmaster 940N 
PowerCase
Antec HCG-620 Thermaltake V4 
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post #7 of 22
Quote:
Originally Posted by chatterbox272 View Post
yeah, the only other shops in my area that are feasible are PLE and maybe Austin Computers. adapters aren't an issue for me, I'll get them if/when I need them as the crossfire will still be some time away. Out of interest, is it likely that the 450W included with my V4 will deal with a single 6870? if i were to get an adapter for the second PCI-E plug?
If it is a decent 450W it will deal with your upgrade without an issue what so ever, what's the exact model name/number of your PSU?
post #8 of 22
With my setup I've seen went up to 550-560W while running 3dmark vantage.
I'd say get a good quality 650-700W PSU small head room doesn't hurt.
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Athena
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Achilles
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[XFX] 650W [Cooler Master] HAF X [Logitech] G400 
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post #9 of 22
Quote:
Originally Posted by dhenzjhen View Post
With my setup I've seen went up to 550-560W while running 3dmark vantage.
I'd say get a good quality 650-700W PSU small head room doesn't hurt.
That's power at the wall, after you factor in the bronze efficiency of your unit you end up with less than 550W actual draw.. and also, your overvolted Xeon and X58 platform does not compare in any way with Deneb in terms of power draw, you're at least 70/80W above it

@ OP, here you go, it's a very solid unit, it will deal with your CFX setup with ease but similarly to the Antec units listed above, it only comes with two PCIe connectors.
Edited by Original Sin - 10/29/11 at 1:35am
post #10 of 22
Quote:
Originally Posted by Unoriginal Sin View Post
That's power at the wall, after you factor in the bronze efficiency of your unit you end up with less than 550W actual draw.. and also, your overvolted Xeon and X68 platform does not compare in any way with Deneb in terms of power draw, you're at least 70/80W above it

@ OP, here you go, it's a very solid unit, it will deal with your CFX setup with ease but similarly to the Antec units listed above, it only comes with two PCIe connectors.


I am using to monitor power usage.
Athena
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Achilles
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CPUMotherboardGraphicsHard Drive
[Intel] i5 2500k  [ASUS] p8p67 Evo B3 [EVGA] GTX 680 [Samsung] 1TB 
CoolingOSMonitorKeyboard
[Noctua] NH-D14 [Micro$oft] Win7 64-bit/Linux [HP] 2311x [Logitech] G510 
PowerCaseMouse
[XFX] 650W [Cooler Master] HAF X [Logitech] G400 
CPUMotherboardGraphicsRAM
990X 6.5Ghz EVGA X58 3 way SLI classified XFX GT 240/modded 8800GTS/8800GTX/5870/4980/FIR... Corsair Dominator PSC  
CoolingOSMonitorCase
F1 Extreme Dark, DICE and LN2!! XPeeeee and Win 7 Old CRT Open 
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Athena
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Achilles
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CPUMotherboardGraphicsHard Drive
[Intel] i5 2500k  [ASUS] p8p67 Evo B3 [EVGA] GTX 680 [Samsung] 1TB 
CoolingOSMonitorKeyboard
[Noctua] NH-D14 [Micro$oft] Win7 64-bit/Linux [HP] 2311x [Logitech] G510 
PowerCaseMouse
[XFX] 650W [Cooler Master] HAF X [Logitech] G400 
CPUMotherboardGraphicsRAM
990X 6.5Ghz EVGA X58 3 way SLI classified XFX GT 240/modded 8800GTS/8800GTX/5870/4980/FIR... Corsair Dominator PSC  
CoolingOSMonitorCase
F1 Extreme Dark, DICE and LN2!! XPeeeee and Win 7 Old CRT Open 
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