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adding 2nd GTX260, my 650W PSU isn't going to cut it, is it?

post #1 of 4
Thread Starter 
I've got a 2nd gtx260 on the way shortly, and I got to wondering if my 650W PSU is going to be enough, from the info on the sticky thread it's saying I'm going to be needing more like 750-850... true?
should I just pick up a sg 850 or is there a better/significantly cheaper (I've seen the 850 for $215) alternative i should consider?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8400 4.1 ghz 1.3625v 750i FTW GTX260 core 216 896mb 65nm in SLI w/55nm version Corsair 2x2 dominator 8500 ver1.1 
Hard DriveOptical DriveOSPower
300G velociraptor/ 1T WD Green sony DVD RW Vista 64 bit Antec 650 trio 
Case
Antec 900 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8400 4.1 ghz 1.3625v 750i FTW GTX260 core 216 896mb 65nm in SLI w/55nm version Corsair 2x2 dominator 8500 ver1.1 
Hard DriveOptical DriveOSPower
300G velociraptor/ 1T WD Green sony DVD RW Vista 64 bit Antec 650 trio 
Case
Antec 900 
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post #2 of 4
That unit, assuming it's the same as the Delta one that makes up the Antec Earthwatts 650, is a quality PSU.

I ran 2x 260 Core 216s on my Earthwatts 650 along with an E8400 and later a Q9550 on an EVGA 780i with no issues, all components OC'd.

You should be fine, especially since it's my Core 216 you'll be adding.
Apotheosis
(27 items)
 
  
CPUMotherboardGraphicsRAM
i7 5960X @ 4.6 Ghz (1.32v) ASUS X99-Deluxe 2x Nvidia Titan Xp SLI 32GB Crucial DDR4 2666 (4x8GB) 
Hard DriveHard DriveCoolingCooling
2x Samsung 850 Pro 256GB SSD (OS) 4x Crucial M4 256GB SSD 14x Corsair SP120 Quiet Edition 4x EK-RAM Monarch Module (Black) 
CoolingCoolingCoolingCooling
EK-XTOP w/ Dual D5 Pumps, EK-X3 250 Res, EK-D5 ... 2x Alphacool NexXxoS UT60 480mm Rads (1x top mo... 2x Alphacool NexXxos UT60 240mm Rads (1x front ... PrimoChill Rigid Acrylic tubing (White), Advanc... 
CoolingCoolingOSMonitor
2x EK-FC Titan X Pascal Nickel GPU Blocks w/ EK... 2x EK-RAM Monarch X4 Nickel/Acetal CSQ RAM Bloc... Windows 10 Pro, 64-bit 1x Acer Predator X34 @ 3440x1440p 34" IPS + 100... 
KeyboardPowerCaseMouse
Logitech G810 Orion Spectrum EVGA SuperNova P2 1600W Platinum CaseLabs SMA8 (Gunmetal Exterior/Black Interior... Logitech G502 Proteus Core 
Mouse PadAudioAudioAudio
Logitech G440 Audioengine HD6 w/ S8 Subwoofer Campfire Audio Vega IEMs Schiit Magni 2 Uber Amp 
AudioOtherOther
Schiit Modi 2 Uber DAC NZXT Sentry Mesh Fan Controller NZXT HUE RGB LED Controller 
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Apotheosis
(27 items)
 
  
CPUMotherboardGraphicsRAM
i7 5960X @ 4.6 Ghz (1.32v) ASUS X99-Deluxe 2x Nvidia Titan Xp SLI 32GB Crucial DDR4 2666 (4x8GB) 
Hard DriveHard DriveCoolingCooling
2x Samsung 850 Pro 256GB SSD (OS) 4x Crucial M4 256GB SSD 14x Corsair SP120 Quiet Edition 4x EK-RAM Monarch Module (Black) 
CoolingCoolingCoolingCooling
EK-XTOP w/ Dual D5 Pumps, EK-X3 250 Res, EK-D5 ... 2x Alphacool NexXxoS UT60 480mm Rads (1x top mo... 2x Alphacool NexXxos UT60 240mm Rads (1x front ... PrimoChill Rigid Acrylic tubing (White), Advanc... 
CoolingCoolingOSMonitor
2x EK-FC Titan X Pascal Nickel GPU Blocks w/ EK... 2x EK-RAM Monarch X4 Nickel/Acetal CSQ RAM Bloc... Windows 10 Pro, 64-bit 1x Acer Predator X34 @ 3440x1440p 34" IPS + 100... 
KeyboardPowerCaseMouse
Logitech G810 Orion Spectrum EVGA SuperNova P2 1600W Platinum CaseLabs SMA8 (Gunmetal Exterior/Black Interior... Logitech G502 Proteus Core 
Mouse PadAudioAudioAudio
Logitech G440 Audioengine HD6 w/ S8 Subwoofer Campfire Audio Vega IEMs Schiit Magni 2 Uber Amp 
AudioOtherOther
Schiit Modi 2 Uber DAC NZXT Sentry Mesh Fan Controller NZXT HUE RGB LED Controller 
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post #3 of 4
650w is actually more than enough, but I personally don't recommend it as that particular PSU seems to have a little design flaw.
Rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
5820k ga-x99-sli gigabyte 7970 wf 16gb 4x4 lpx 
Hard DriveCoolingPowerCase
samsung 830 128gb ven x/gt ap-15 evga g2 650w corsair 450d 
Audio
jbl lsr305 
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Rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
5820k ga-x99-sli gigabyte 7970 wf 16gb 4x4 lpx 
Hard DriveCoolingPowerCase
samsung 830 128gb ven x/gt ap-15 evga g2 650w corsair 450d 
Audio
jbl lsr305 
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post #4 of 4
The Antec SG-850 is a good unit but it's time for it to go... there is no justification for its outrageous price. Since Antec discontinued it, I bet it's only because retailers can't sell it for that price that you can still find it. You can get a high-end 1200W unit for $250 these days.
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