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Can a AX850, power 3 x 580?

post #1 of 9

8/14/12 at 5:10am

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Chobbit
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I want to know if my AX850 could power a 3rd GTX580 3gb.

I'm sure I've seen someone run 4 x 580's on a AX1000 if I remember correctly.

CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
View all

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CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
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post #2 of 9

8/14/12 at 5:14am

NitroNarcosis
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3 way GTX580's will pull about 60 amps - 720 watts, peaking at 70 amps.

That PSU is enough for only the cards. -_-

CPU	Motherboard	Graphics	RAM
Core i7 950	Asus Rampage III Formula	GTX 680 FTW	Corsair Dominator-GT 6GB PC-16000
Hard Drive	Hard Drive	Hard Drive	Cooling
Crucial M4	Intel X-25M	Western Digital Cavier Black	XSPC RX360 Kit
OS	Monitor	Monitor	Monitor
Windows 8 Pro 64bit	Asus VW246	Asus VW246	Asus VW246
Keyboard	Power	Case	Mouse
Compaq 11800	Corsair HX 750	Cooler Master Storm Scout	Logitech G700
Mouse Pad	Audio
Steel Series Star Craft 2	Logitech F540 Wireless Headsets
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CPU	Motherboard	Graphics	RAM
Core i7 950	Asus Rampage III Formula	GTX 680 FTW	Corsair Dominator-GT 6GB PC-16000
Hard Drive	Hard Drive	Hard Drive	Cooling
Crucial M4	Intel X-25M	Western Digital Cavier Black	XSPC RX360 Kit
OS	Monitor	Monitor	Monitor
Windows 8 Pro 64bit	Asus VW246	Asus VW246	Asus VW246
Keyboard	Power	Case	Mouse
Compaq 11800	Corsair HX 750	Cooler Master Storm Scout	Logitech G700
Mouse Pad	Audio
Steel Series Star Craft 2	Logitech F540 Wireless Headsets
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post #3 of 9

8/14/12 at 5:52am

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Chobbit
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Right so its only just not enough because of the CPU draw really

ah well, I might wait till the 7 series comes out (as long as they aren't dx12 or some other worthwhile advance) and grab 3 x 680 4gb's for a good price as they should work just fine.

Thanks

CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
View all

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CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
View all

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post #4 of 9

8/14/12 at 6:26am

Blindsay
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Quote:

Originally Posted by Chobbit

Right so its only just not enough because of the CPU draw really

ah well, I might wait till the 7 series comes out (as long as they aren't dx12 or some other worthwhile advance) and grab 3 x 680 4gb's for a good price as they should work just fine.
Thanks

Its not enough because you just dont have enough power period, not because of the cpu draw

also thats just if you keep your cards stock, if you overclock a lot that can change things a lot, i pretty much maxed my AX850 with a pair of 6970s lol.

Cant imagine your 2 580s are struggling that much now anyways

CPU	Motherboard	Graphics	Graphics
i7 3930k	ASRock X79 Champion	Gigabyte 7950	Gigabyte 7950
Graphics	RAM	Hard Drive	Optical Drive
Gigabyte 7950	G.SKILL Ripjaws X Series 16GB DDR3 1866	Corsair Neutron GTX 480GB	LG BD-RE
OS	Monitor	Monitor	Keyboard
Win7 Ultimate	Dell U2311H	Dell U2713HM	Razer blackwindow ultimate
Power	Case	Mouse
Kingwin 1000w Lazer platinum	Rosewill Blackhawk Ultra	Razer Deathadder
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CPU	Motherboard	Graphics	Graphics
i7 3930k	ASRock X79 Champion	Gigabyte 7950	Gigabyte 7950
Graphics	RAM	Hard Drive	Optical Drive
Gigabyte 7950	G.SKILL Ripjaws X Series 16GB DDR3 1866	Corsair Neutron GTX 480GB	LG BD-RE
OS	Monitor	Monitor	Keyboard
Win7 Ultimate	Dell U2311H	Dell U2713HM	Razer blackwindow ultimate
Power	Case	Mouse
Kingwin 1000w Lazer platinum	Rosewill Blackhawk Ultra	Razer Deathadder
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post #5 of 9

8/14/12 at 6:28am

cdoublejj
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An AX859 can power 3 DC welders (not really, just one)

I have a very very hard time believing gfx cards can pull 60 amps.
Edited by cdoublejj - 8/14/12 at 6:31am

CPU	Motherboard	Graphics	Graphics
Phenom II 1100T	AsRock Extreme4 990FX	HD4850	HD4850
RAM	Hard Drive	Hard Drive	Hard Drive
Kingston HyperX DDR3 KHX1600C9D3K2/8G	Barracuda 7200.10	WD Green	Crucial M4
Cooling	OS	Monitor	Monitor
EVGA Superclock CPU Cooler	Win 7 Ultimate 64bit	Hanns,G Hi221	Dell E198WFP
Keyboard	Power	Case	Audio
Saitek Eclipse	Corsair TX850W	NZXT M59	Asus Xonar D1
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CPU	Motherboard	Graphics	RAM
C2Q Q9550	ASUS P5E3 Deluxe Wifi-AP	GTX 570	Samsung Green
Hard Drive	Cooling	OS	OS
55gb, 320Gb, 500GB, 1TB	Hyper 212 EVO	Win 7 Ultimate 64bit	Lubuntu 12.10 x64
OS	Power	Case
OS X 10.6.8	TX750	Haf 912
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CPU	Graphics	RAM	Hard Drive
T9300	GT 240M	DDR2	WD10JPVT
OS
Win 7 Ultimate 64bit
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CPU	Motherboard	Graphics	Graphics
Phenom II 1100T	AsRock Extreme4 990FX	HD4850	HD4850
RAM	Hard Drive	Hard Drive	Hard Drive
Kingston HyperX DDR3 KHX1600C9D3K2/8G	Barracuda 7200.10	WD Green	Crucial M4
Cooling	OS	Monitor	Monitor
EVGA Superclock CPU Cooler	Win 7 Ultimate 64bit	Hanns,G Hi221	Dell E198WFP
Keyboard	Power	Case	Audio
Saitek Eclipse	Corsair TX850W	NZXT M59	Asus Xonar D1
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CPU	Motherboard	Graphics	RAM
C2Q Q9550	ASUS P5E3 Deluxe Wifi-AP	GTX 570	Samsung Green
Hard Drive	Cooling	OS	OS
55gb, 320Gb, 500GB, 1TB	Hyper 212 EVO	Win 7 Ultimate 64bit	Lubuntu 12.10 x64
OS	Power	Case
OS X 10.6.8	TX750	Haf 912
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CPU	Graphics	RAM	Hard Drive
T9300	GT 240M	DDR2	WD10JPVT
OS
Win 7 Ultimate 64bit
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post #6 of 9

8/14/12 at 1:44pm

NitroNarcosis
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A GTX 580 at max load will pull 244Watts

244Watts/12V = 20.3 Amps

20 Amps x 3 Graphics Cards

You do the math.

using a PSU calc with his sig rig specs I got about 864Watts recommended. I always add 100+ to this guess since I don;t know if he will be OCing anything else.
Edited by NitroNarcosis - 8/14/12 at 1:50pm

CPU	Motherboard	Graphics	RAM
Core i7 950	Asus Rampage III Formula	GTX 680 FTW	Corsair Dominator-GT 6GB PC-16000
Hard Drive	Hard Drive	Hard Drive	Cooling
Crucial M4	Intel X-25M	Western Digital Cavier Black	XSPC RX360 Kit
OS	Monitor	Monitor	Monitor
Windows 8 Pro 64bit	Asus VW246	Asus VW246	Asus VW246
Keyboard	Power	Case	Mouse
Compaq 11800	Corsair HX 750	Cooler Master Storm Scout	Logitech G700
Mouse Pad	Audio
Steel Series Star Craft 2	Logitech F540 Wireless Headsets
View all

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CPU	Motherboard	Graphics	RAM
Core i7 950	Asus Rampage III Formula	GTX 680 FTW	Corsair Dominator-GT 6GB PC-16000
Hard Drive	Hard Drive	Hard Drive	Cooling
Crucial M4	Intel X-25M	Western Digital Cavier Black	XSPC RX360 Kit
OS	Monitor	Monitor	Monitor
Windows 8 Pro 64bit	Asus VW246	Asus VW246	Asus VW246
Keyboard	Power	Case	Mouse
Compaq 11800	Corsair HX 750	Cooler Master Storm Scout	Logitech G700
Mouse Pad	Audio
Steel Series Star Craft 2	Logitech F540 Wireless Headsets
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post #7 of 9

8/14/12 at 1:46pm

Phaedrus2129
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I usually recommend a 1kW for tri-SLI of cards >200W.

post #8 of 9

8/14/12 at 5:43pm

MrTOOSHORT

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Quote:

Originally Posted by Chobbit

I want to know if my AX850 could power a 3rd GTX580 3gb.
I'm sure I've seen someone run 4 x 580's on a AX1000 if I remember correctly.

If you leave everything at stock clocks, it'll work. Maybe a modest 4.5GHz OC on the cpu. But the fan will ramp up on the AX850 and work overtime. And I don't think it'll be a good idea for this psu in the long term powering all that.

CPU	Motherboard	Graphics	RAM
Intel I7 3970x @4.9GHz	Asus Rampage IV Extreme	EVGA GTX TITAN @1.2GHz	Corsair Dominator Platinum @2.4GHz
Hard Drive	Optical Drive	Cooling	Cooling
OCZ Vertex 4 256gb	LG BluRay Burner	EK Supreme HF/rx360/rx120/GT AP14/MCP655	EK-FC TITAN XXL Edition
OS	Monitor	Keyboard	Power
Windows 7 64bit	Samsung 275t Plus	Logitech K360	Corsair AX650
Case	Mouse	Mouse Pad	Audio
Corsair Obsidian 800d	Performance MX	Steelseries Aluminum	Klipsch Pro Media 2.1
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CPU	Motherboard	Graphics	RAM
Intel I7 3970x @4.9GHz	Asus Rampage IV Extreme	EVGA GTX TITAN @1.2GHz	Corsair Dominator Platinum @2.4GHz
Hard Drive	Optical Drive	Cooling	Cooling
OCZ Vertex 4 256gb	LG BluRay Burner	EK Supreme HF/rx360/rx120/GT AP14/MCP655	EK-FC TITAN XXL Edition
OS	Monitor	Keyboard	Power
Windows 7 64bit	Samsung 275t Plus	Logitech K360	Corsair AX650
Case	Mouse	Mouse Pad	Audio
Corsair Obsidian 800d	Performance MX	Steelseries Aluminum	Klipsch Pro Media 2.1
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post #9 of 9

8/15/12 at 1:55am

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Chobbit
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Thanks for all the feedback, I'll be honest I don't overclock these cards at all (apart from some initial bench tests which they got too 950/2200 @ max locked voltages), the reason being I love the quietness of these cards as at stock they don't reach over 65 degrees and never need to go higher than 60% fan speed which is very quiet.

The main reason I wanted too go for three was for cheep future proofing, at the moment I've never really dropped below 60fps @ 2560x1440 with FXAA, however at that resolution adding max AA still pushes these cards too some less than desired frames especially in heavily modded Skyrim.

My CPU runs fine at a conservative 4.2 so it runs cool.

I'm starting too get old I think, preferring cool & quiet over OC performance. I mean including GPU's & PSU my case holds: 18 fans all running as quiet as possible

CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
View all

hide details

CPU	Motherboard	Graphics	Graphics
i5 2500k @ 4.5	Gigabyte GA-Z68XP-UD3 Intel Z68	Gigabyte GTX580 3gb	Gigabyte GTX580 3gb
RAM	Hard Drive	Cooling	OS
4gb G.Skill 1600	Corsair Force 3 120gb & WD 500gb + 320gb HDD's	NH-U12P SE with 2x BitFenix LED Spectre's	Windows 7 Professional Home
Monitor	Power	Case	Mouse
yamakasi catleap 27" s-ips	Corsair AX850	CM690 ii Advanced	R.A.T 3
View all

CPU	Motherboard	Graphics	RAM
i5 2500k x3	GA-Z68X-UD3P x3	MSI GeForce GTX 560 Twin Frozr x3	4GB Exceleram Rippler 1600MHz x3
Hard Drive	Cooling	Power	Case
Crucial m4 64GB SSD x3	Coolermaster Hyper 212 Plus x3	Corsair CX430 430W x3	ARIANET Avenger Midi Tower x3
View all

CPU	Graphics	RAM	Hard Drive
i3-370M	GMA HD 500 MHz	3GB DDR3	250GB
Optical Drive	OS
DL DVD RW	Windows 7 Home Edition
View all

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