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GTX Titan 2/3/4-way SLI owners: which PSU are you using? - Page 17

post #161 of 174
Quote:
Originally Posted by SeanEboy View Post

Ok, so stick with the 1500w for the GPUs.. Then, go low watt PSU for the rest? I will have (22) AP-15s on push pull, an MCP35x2 as well.... But, I don't think their draw is too significant when comparing the other core components, right?

 

Not enough to need a massive 850W PSU. Maybe go as high as a good 650W PSU if you're really worried about it. Whatever you do though, make sure both PSUs are good quality units.

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It's a computer!
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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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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post #162 of 174
Sorry for the res!

So I'm getting 2 Titan Black Superclocked Sigs (SLI obv) and I have an i7 3770k OC'd at 4.7ghz with an AX1200. Will this PSU be able to support the 2 Titans? I have 2 reference 780s right now.
;)
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;)
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post #163 of 174
Quote:
Originally Posted by Jobesky View Post

Sorry for the res!

So I'm getting 2 Titan Black Superclocked Sigs (SLI obv) and I have an i7 3770k OC'd at 4.7ghz with an AX1200. Will this PSU be able to support the 2 Titans? I have 2 reference 780s right now.

 

If you keep their voltages at stock, then you are going to have WAY more than enough power.

It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #164 of 174
And if I up their voltage? Will I still have more than enough? I'm just worried because, reading through this thread, there seems to be conflicting answers - some say get a 1500w PSU, others say below 1000w is fine, etc. Just worried when my Titans get installed my computer will explode. redface.gif

(Not literally ofc) thumb.gif
;)
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CPUMotherboardGraphicsRAM
Intel i7 3770k@4.7ghz OC'd Z77 mobo x2 GTX 780's 16gb Corsair Vengeance 
Hard DriveOptical DriveCoolingOS
1tb Seagate Barracuda LG Optical Drive Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit 
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;)
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Intel i7 3770k@4.7ghz OC'd Z77 mobo x2 GTX 780's 16gb Corsair Vengeance 
Hard DriveOptical DriveCoolingOS
1tb Seagate Barracuda LG Optical Drive Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit 
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Razer BlackWidow Corsair AX1200 Cooler Master HAF X Blue Edition Razer DeathAdder 
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post #165 of 174
Quote:
Originally Posted by Jobesky View Post

And if I up their voltage? Will I still have more than enough? I'm just worried because, reading through this thread, there seems to be conflicting answers - some say get a 1500w PSU, others say below 1000w is fine, etc. Just worried when my Titans get installed my computer will explode. redface.gif

(Not literally ofc) thumb.gif

 

I don't know, so my only advice can be to do two things:

 

Get a Kill A Watt and plug only the PSU into it (and multiply all readings under load that you see by .90 to estimate 90% efficiency)

 

Gradually increase the Titan's voltages until you start running out of PSU headroom.

It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #166 of 174
Quote:
Originally Posted by Jobesky View Post

And if I up their voltage? Will I still have more than enough? I'm just worried because, reading through this thread, there seems to be conflicting answers - some say get a 1500w PSU, others say below 1000w is fine, etc. Just worried when my Titans get installed my computer will explode. redface.gif

(Not literally ofc) thumb.gif

Titans are power limited to about 270 watts each unless you use a third party bios, as far as i know. 540w for two, you can get by on like a 750w psu. You have no reason to worry on 1k or especially 1.2k

the bigger problems are when you remove power limits and start clocking to the sky like many who pay extra for titan/780ti to have the best single GPU like to do
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post #167 of 174
I mean, I may OC them a little but nothing crazy, so I should be okay right?
;)
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1tb Seagate Barracuda LG Optical Drive Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit 
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;)
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Intel i7 3770k@4.7ghz OC'd Z77 mobo x2 GTX 780's 16gb Corsair Vengeance 
Hard DriveOptical DriveCoolingOS
1tb Seagate Barracuda LG Optical Drive Cooler Master Hyper 212 Evo Windows 7 Home Premium 64-bit 
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post #168 of 174
Quote:
Originally Posted by Jobesky View Post

I mean, I may OC them a little but nothing crazy, so I should be okay right?

 

Oh, then yeah you definitely have way more than enough power.

It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(18 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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #169 of 174
Quote:
Originally Posted by Jobesky View Post

I mean, I may OC them a little but nothing crazy, so I should be okay right?

Unless you're overriding the power limit with a new bios and raising volts above the "nvidia limit" of 1.212v somehow, you don't have a lot of power consumption. 250w out of the box limit, can be raised to 270 or so iirc
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Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
MonitorKeyboardPowerCase
Asus PG258Q (240hz + Gsync) WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
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Logitech G Pro Qck+ 
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Hard DriveHard DriveCoolingOS
Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
MonitorKeyboardPowerCase
Asus PG258Q (240hz + Gsync) WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
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post #170 of 174
evga needs to release the 1600w single rail redface.gif
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