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eVGA Nova 1kP2, Need advice please.

post #1 of 12
Thread Starter 
I have a moral dilemma on this power supply. Everyone has ambitions to make their computer as perfect to them as possible, which goes without saying. I bought this PSU having intentions to sleeve the cables and make this computer a nice treat. Now, after purchasing I found that each set of cables on the PCI power connectors at the end have Caps on the main leads. Here is the problem, sleeve on the cables is near impossible to get 100% like the other without cutting and re applying solder and such not to mention the caps stick out like a sore thumb. My plans are to run 22 Fans 2 pumps and the system below. I used the PSU calculator and brought me to 693 watts without 1 of the pumps and only running 10 fans.

From the looks of things I could replace the PSU with a 750-850 comparable PSU that would allow me to either sleeve myself or at the very least buy a set of sleeved cables that would let me operate the computer while I attempt to sleeve again. Would it be safe to assume that as long as I don't break the threshold of the power barrier that I would be safe running near 100%? Thank you for your time guys and as always looking forward to your advice!

-Matt
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post #2 of 12
Why not just use a second PSU?
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by billbartuska View Post

Why not just use a second PSU?

Couple reasons,
  1. No room.
  2. Waste of money.
  3. Cables still can't be sleeved.

I would rather know if I can run a single 750 or 850 vs an already overkill 1000 watt PSU that I could sell/trade for a sufficient model/brand that better suites my needs.
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post #4 of 12
Quote:
Originally Posted by billbartuska View Post

Why not just use a second PSU?

Its not a good idea to use two power supplies. You would need to pay very careful attention to your load balancing to make sure you don't crossload a unit too heavily, its much easier and safer just to get a single better unit that can handle your system just fine. I definitely recommend against trying to rig two power supplies to run as one, it can be done but its not suggested. Also seen voltage regulators go up in smoke due to this.
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post #5 of 12
Quote:
Originally Posted by retropcdos View Post

Quote:
Originally Posted by billbartuska View Post

Why not just use a second PSU?

I definitely recommend against trying to rig two power supplies to run as one.
No, LOL

When I was overclocking big time I used to use one 1kw PSU for the motherboard and another 650 kw PSU for everything else. I even used a third PSU for radiator fans for a while.

And no, I wouldn't try making two PSUs into one either.
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post #6 of 12
Would get a bigger PSU then recommended load, as you never want to run a PSU at 100%, just won't be as efficient and no headroom. Say a 850 watt one sure be fine in your case. As far as sleeved cables your better off doing them yourself, A LOT OF PATIENCE!!!!!!! and time (when you master it, it becomes very easy). Here a site that sell good quality stuff.

http://en.mdpc-x.com/mdpc-sleeve.htm
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post #7 of 12
Quote:
Originally Posted by DeadLink View Post

Couple reasons,
  1. No room.
  2. Waste of money.
  3. Cables still can't be sleeved.

I would rather know if I can run a single 750 or 850 vs an already overkill 1000 watt PSU that I could sell/trade for a sufficient model/brand that better suites my needs.

How about a V700 or V850
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post #8 of 12
It all depends on the PSU design, not all are the same. Some will also require all the rails too be loaded to, not just the 12v side. This will only work if you are powering a electric isolated component. Fans, Pumps and lights are examples of electric isolation. The problem is in the way the power supplies maintain a constant voltage. The voltage control circuits looks at the output voltages and if one of the output voltages drops it increases current to raise the voltage on that circuit. This is where the trouble comes in with a second power supply. If you connect the output of one power supply to the output of a second power supply the voltage regulators on both fight one another. The way that happens is due to how well it is possible to manufacture a power supply. An example of this is no 5 VDC is 5 volts exactly. If one ups output is 5.05 and the other is 5.1 The 5.1 tries to pull the 5.05 up to 5.1 the 5.05 tries to pull the other down to 5.05. Beginning to get the picture. Soon the 5.1 is running full output trying to put the other up to 5.1 and the other is shut completely down trying to pull the 5.1 down to 5.05. What this means is the positive outputs can not get together. The sensing circuits will not allow it. If anything plugs into the mother board other than the ground side of the supply in 99.9 % of time the sensing circuits will not work and will draw so much current it will destroy the motherboard and the power supply.

This is true even if you run them separate. The only way it would even work is if you do Pumps, lights, drives and fans and some power supplies require the other rails to be loaded. I seen and fixed a lot of power supplies because people decided to do this over the years. I ran two power supplies for a while myself, just won't recommend to others, unless they know what they are doing.
Edited by retropcdos - 9/27/13 at 6:21pm
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post #9 of 12
Didn't really like cooler master PSU's, as cheaper grade capacitors, protection circuit wasn't suitable and a lot of noise, at the same time haven't torn one apart in a couple years, so they may be better made now.
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post #10 of 12
Quote:
Originally Posted by retropcdos View Post

just won't recommend to others, unless they know what they are doing.

+1
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My System
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CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
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