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Powering water pump and fans from secondary PSU

post #1 of 10
Thread Starter 
I am putting my sig rig under water. I will be cross firing two 6950 AND will be running a GTS 240 for physx. In order to ensure my power supply is adequate, a 350 watt no namer is coming out of the closet. I am planning to use the 350 watt to power my water pump and all the fans.
I plan to either use the adapter cable to run dual PSU so that both PSU start at the same time. Or use the auto-switch using a relay. Most likely will go with the adapter cable running both PSU when the computer is turned on.

Any last minute advice for me? Do it, don't do it? Alternatives? I cannot afford to fry anything. So really need the suggestions coming.
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Wife's bane
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CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
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Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
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GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
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post #2 of 10
i think it would be easier and smarter just to invest in a better power supply.
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post #3 of 10
Yeah just get a better psu...
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post #4 of 10
Thread Starter 
Ooookieee!!

Well, I had the 350 watt sitting around so thought of utilizing it. Guess I will look into a modular 850 watt or something. Hoping that will suffice for my needs.
Wife's bane
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CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
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GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
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Wife's bane
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CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
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post #5 of 10
http://www.newegg.com/Product/Produc...-001-_-Product

great PSU, probably going to be the best 850 modular you can get at that low of a price
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post #6 of 10
Quote:
Originally Posted by Awaz View Post
Ooookieee!!

Well, I had the 350 watt sitting around so thought of utilizing it. Guess I will look into a modular 850 watt or something. Hoping that will suffice for my needs.
wasn't a bad idea.....but i'd go with a nice 850.
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always changing
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post #7 of 10
It's not a bad idea in theory, but it's a lot of hassle in reality, plus you have to find somewhere to put it, and deal with the tentacle monster of extra cabling. Add to that the fact that an elderly no-name PSU may well not like running only the 12v outputs, and if it fails it will do terrible things to your rig, it's not worth it.
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post #8 of 10
Thread Starter 
I am getting a ATCS 840. I thought it has 2 places for power supply - top and bottom...not sure though. Well, I am shopping now a 850+ watt power supply. Maybe a 1000 watt just to have plenty left for me to add other drives and what not. Not sure yet though....
Wife's bane
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
PowerCaseMouseMouse Pad
NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
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Optical out to Sony receiver; Deftech Monitor 3... 
  hide details  
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Wife's bane
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
PowerCaseMouseMouse Pad
NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
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Optical out to Sony receiver; Deftech Monitor 3... 
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post #9 of 10
You could run dual 6950s on a 650w, I'd plump for a 750w or greater for a bit of spare grunt to keep the pump and rad fans happy. You don't need more than that. Want more is another matter entirely
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Hard DriveHard DriveCoolingOS
256GB Samsung PM961 Polaris M.2 NVMe  1TB Toshiba DT01ACA100 3.5" HDD, SATA III  Cooler Master Hyper 212 Evo Windows 10 64 
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Unicomp Model M 650W EVGA SuperNOVA G1, 80PLUS Gold, Full Modular Kolink Luminosity Cooler Master Reaper Aluminium 
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post #10 of 10
Thread Starter 
Currently have a 750 watt (sig). Not modular though but a strong PSU. For some reason I feel I will be cutting it close with 3 cards (two 6950s and one GTS 240), pump, fans and the rest of the stuff.....
Wife's bane
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
PowerCaseMouseMouse Pad
NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
Audio
Optical out to Sony receiver; Deftech Monitor 3... 
  hide details  
Reply
Wife's bane
(17 items)
 
  
CPUMotherboardGraphicsRAM
i5-3570K @ 4.5 Ghz Gigabyte Z77 UD3H HIS R9-290 8 GB Samsung Wonder RAM 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD for OS Samsung Spinpoint F3 Asus XSPC water block, 360 radiator, and 720 reservo... 
CoolingOSMonitorKeyboard
GPU cooling - XSPC Razer full GPU blocks Win 7 Home Premium Asus PB278Q 2560 X 1440p ISP Logitech G15 
PowerCaseMouseMouse Pad
NZXT Hale90 V2 NZXT Switch 810 Logitech G500 Steelseries QcK 
Audio
Optical out to Sony receiver; Deftech Monitor 3... 
  hide details  
Reply
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