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Do you think my corsair 650W will power 2 GTX 570's? - Page 4

Poll Results: Will it power the 2 video cards?

 
  • 55% (32)
    Yes it will.
  • 44% (26)
    No it will not.
58 Total Votes  
post #31 of 43
Quote:
Originally Posted by eternal7trance View Post
Because you wanted a comparison?

Even the Phaedrus guide says 750w. http://www.overclock.net/power-suppl...alculator.html
Quote:
READ THIS
These recommendations INCLUDE headroom and overclocking room. On a system with typical overclocks, you won't be pulling more than 80-90% load on the recommended PSU during STRESS TEST conditions (LinX+Furmark+HDTune)
A 650W will do it it will be stressed that's for sure but it can keep up with the workload
Skyline
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Skyline
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Hard DriveOptical DriveCoolingCooling
2x64GB Kingston SSDV100 (RAID0) | Caviar Green 1TB LG GP10 external DVD-RW XSPC Rasa Block EK EN580GTX+ 
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post #32 of 43
Just powering it up will work fine, running idle and everything else on stock, overclocking and running furmark wont definitely be enough.
it looks alive
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i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
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it looks alive
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i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
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Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #33 of 43
It should work fine but it wont leave u much headroom. If u run the cards stock clock then it will work fine.
Rig1
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Rig1
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post #34 of 43
Nah.
Col. Sanders
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256GB SSD Corsair + 1 Velociraptor 600GB +3xF3 1TB Asus 24x Blu Ray Burner 24x DVD Burner 48x CD Burn Windows 7 Ultimate Signature Edition/XP Media Cent [3x]ViewSonic 27 Inch Led Backlit Surround [3x] 
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Col. Sanders
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post #35 of 43
Yes, if you keep EVERTYHING on stock or just overclock the CPU just a little.

I'd use at least, a 750W PSU. If you had something like an i7 920 and 2 GTX 580's then you'd have to use a 850W PSU.

Hope it helps
fr0sty
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SnowFlake
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fr0sty
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SnowFlake
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post #36 of 43
http://www.bit-tech.net/hardware/201...1-3gb-review/9
Power consumption of 1 gtx 570 under load is 330 watts x 2 equals 660. So I would have to say no!
R2D2
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R2D2
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post #37 of 43
Quote:
Originally Posted by brettjv View Post
Why would you have to 'account for the rest of the system', when the 578W draw is for their whole system? I would think that amount would account for a decent OV/OC on the various parts, rather than being for the rest of the system.
Because only their graphics cards are under full load.


Quote:
Originally Posted by Cape Cod View Post
http://www.bit-tech.net/hardware/201...1-3gb-review/9
Power consumption of 1 gtx 570 under load is 330 watts x 2 equals 660. So I would have to say no!
It can't work that way because of the way SLI scales. The 2nd card draws noticeably less power than the main one.

Besides, that's the power consumption of their entire system with just the graphics card under full load.
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #38 of 43
Thread Starter 
To all who replied, i already have the 650W.
Desktop!
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Spare Gaming Rig
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R7 1700X 3912 Mhz @ 1.375v BIOSTAR X370GT7 eVGA GTX 1080 ACX 3.0  CORSAIR Vengeance White LED 3200 Mhz (4x8GB) 32GB 
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256GB Samsung 850 Pro 1TB Samsung 850 Evo NZXT Kraken X52 Dell S2417DG 165Hz 1440p G-Sync 
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Razer Ornata Corsair 750 RM Phanteks Evolv ATX Logitech G602 
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i7 4790k @ 4.6Ghz Asus MAXIMUS VII GENE GTX 980 Ti @ 1400 Mhz 4 x 4GB (16GB) Corsair LPX DDR3 
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240GB Seagate 1TB RAID HDD Cosair H240 Windows 10 
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Desktop!
(13 items)
 
Spare Gaming Rig
(11 items)
 
 
CPUMotherboardGraphicsRAM
R7 1700X 3912 Mhz @ 1.375v BIOSTAR X370GT7 eVGA GTX 1080 ACX 3.0  CORSAIR Vengeance White LED 3200 Mhz (4x8GB) 32GB 
Hard DriveHard DriveCoolingMonitor
256GB Samsung 850 Pro 1TB Samsung 850 Evo NZXT Kraken X52 Dell S2417DG 165Hz 1440p G-Sync 
KeyboardPowerCaseMouse
Razer Ornata Corsair 750 RM Phanteks Evolv ATX Logitech G602 
CPUMotherboardGraphicsRAM
i7 4790k @ 4.6Ghz Asus MAXIMUS VII GENE GTX 980 Ti @ 1400 Mhz 4 x 4GB (16GB) Corsair LPX DDR3 
Hard DriveHard DriveCoolingOS
240GB Seagate 1TB RAID HDD Cosair H240 Windows 10 
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Asus P278Q Razer BlackWidow Corsair 650W 
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post #39 of 43
I will be running 2x580s on my 650 watt on tuesday. I'll let you know I also have a similar post up and the consensus is that it will work assuming no overclocking on the cards.
My System
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OCZ Agility2 60GB, WD Caviar Black 1TB Samsung Writemaster Windows 7 64bit 24" Acer GD235HZ 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600K @ 4.8 Asus P8P67 Pro Asus GTX 580, EVGA GTX 580 SLI 4x4GB GSkill Ripjaws X 1600mhz 
Hard DriveOptical DriveOSMonitor
OCZ Agility2 60GB, WD Caviar Black 1TB Samsung Writemaster Windows 7 64bit 24" Acer GD235HZ 
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Razer Blackwidow Ultimate Seasonic X-650 Cooler Master HAF 932 Logitech MX518 
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post #40 of 43
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600K @ 4.8 Asus P8P67 Pro Asus GTX 580, EVGA GTX 580 SLI 4x4GB GSkill Ripjaws X 1600mhz 
Hard DriveOptical DriveOSMonitor
OCZ Agility2 60GB, WD Caviar Black 1TB Samsung Writemaster Windows 7 64bit 24" Acer GD235HZ 
KeyboardPowerCaseMouse
Razer Blackwidow Ultimate Seasonic X-650 Cooler Master HAF 932 Logitech MX518 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 2600K @ 4.8 Asus P8P67 Pro Asus GTX 580, EVGA GTX 580 SLI 4x4GB GSkill Ripjaws X 1600mhz 
Hard DriveOptical DriveOSMonitor
OCZ Agility2 60GB, WD Caviar Black 1TB Samsung Writemaster Windows 7 64bit 24" Acer GD235HZ 
KeyboardPowerCaseMouse
Razer Blackwidow Ultimate Seasonic X-650 Cooler Master HAF 932 Logitech MX518 
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