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Help! First Build, Need 2000+ Watts, Already Bought 1600w LEPA PSU. Options Please.

8K views 43 replies 21 participants last post by  Fremish 
#1 ·
Hello, this is my first post so I apologize if this has been covered before but I haven't been able to find an answer for the life of me and I know there is probably more than one way to go from here. I have $10,000+(please read the edit before replying) dollars in this system already so I really want to have all my options in front of me before I proceed. Here's my build.

Operating System: Windows 7 Ultimate
Case: Cooler Master HAF-X 942
Case Fans: 2x 200mm
1x 230mm
1x 140mm
Motherboard: Asus P9X79-E WS
CPU: Intel i7 3930k
CPU Cooling: Corsair H100i
Memory: Kingston Hyper-X Beast (8x 8GB) DDR3 2133Mhz
Mem Cooling: Manufacturer Supplied
Graphics: 2x EVGA GTX 690 4GB
Sound Card: Creative Sound Blaster Z Series ZXR
WiFi: ASUS PCE-AC66
SSD's: 2x Samsung 840 Pro Series 128GB in Raid 1 on 6GB/s SATA Ports (operating system, critical files and documents)
1x Samsung 840 Series 500GB on 6GB/s SATA Port (Games)
HDD: 1x Seagate Constellation 4TB, 7200 rpm, 128MB Cache (Media)
Disk Drives: 2x Asus SATA BR writer

The system will not start on 1600w. Asus's required PSU wattage calculator recommended a minimum of 1850w. I would like to have at least 2100w continuous, preferably 2400w continuous to be on the safe side as I am planning to overclock and add to the system in the future. I already have two power supplies from newegg (Corsair AX1200i, LEPA G1600-MA) which I am still able to send back for a refund (7 days for the Corsair, longer for the LEPA). I DO NOT want to take any chances with my 5-figure investment so the safest option for solving this power demand will be the preferable one for me.

Thanks in advance for taking the time to read this and also for any answers that you may provide,
KAPPA

Edit: as to cost I also bought quite a few top notch accessories for the computer (Keyboard, Mouse, Printer etc) plus professional media editing software that I forgot to factor out as well. As far as the hardware alone is concerned I probably spent around $5-6 grand.
 
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#2 ·
You got extremely ripped off if you paid over $10,000US for that.
1600w is overkill for what you have.
If the computer is not starting, you might have a faulty PSU or there's a short somewhere. Orrrr, you didn't correctly jump the PSU that isn't using the 24pin connector so that PSU won't actually turn on.

Just use the AX1200i and return the other PSU. Problem (probably) solved.
 
#4 ·
What? its not a problem with too little power its a problem with broken hardware

And a 1200 watts PSU could power your system fine hell even less could do it

Next time ask before buying anything you avoid mistakes like that

Last welcome to OCN
 
#7 ·
First, even the AX1200 is more than enough for that machine. Second, where the heck did you manage to spend $10k in that machine? Is it gold dipped or something? I see around $4500 worth of hardware, tops.

Since its already sat there, have you tried both PSU's? What is the result of turning the machine on? Nothing? We need a better definition of "won't start".
 
#8 ·
You used the PSU wattage calculator the wrong way or someone was an idiot and told you the wrong thing and/or ripped you off
 
#9 ·
Actually ImmortalityKenny, after looking back at the invoice, i realize that you are probably right on the cost, I purchased everything on newegg at the same time along with other stuff and the total bill was around $11,000, The components of the computer were probably about 6-7 grand. I also just realized that some of the components are missing from the list I provided as my old laptop died while i was writing this and some of what I wrote was not saved, will update momentarily. Also I have tried both power supplies with everything hooked up and they both will not turn on. If I remove either one of the GTX 690's it will turn on with either PSU. Both graphics cards have been tested and are fully functional so what am I missing here?
 
#13 ·
Quote:
Originally Posted by KAPPA View Post

Actually ImmortalityKenny, after looking back at the invoice, i realize that you are probably right on the cost, I purchased everything on newegg at the same time along with other stuff and the total bill was around $11,000, The components of the computer were probably about 6-7 grand. I also just realized that some of the components are missing from the list I provided as my old laptop died while i was writing this and some of what I wrote was not saved, will update momentarily. Also I have tried both power supplies with everything hooked up and they both will not turn on. If I remove either one of the GTX 690's it will turn on with either PSU. Both graphics cards have been tested and are fully functional so what am I missing here?
Are you running the latest BIOS? Verified the slots you are using individually? I would suspect the motherboard before the power supply. I've owned a few Asus X79 boards and none of them were what I would call reliable.
 
#14 ·
It sound more like a motherboard problem then a PSU problem
 
#16 ·
PSU is overkill

And what happens exactly?

Stupid question but happens a lot, did you plug the power button on correctly? Or are you using the onboard power button.

Need more info.
 
#17 ·
Quote:
Originally Posted by Scorpion49 View Post

First, even the AX1200 is more than enough for that machine. Second, where the heck did you manage to spend $10k in that machine? Is it gold dipped or something? I see around $4500 worth of hardware, tops.

Since its already sat there, have you tried both PSU's? What is the result of turning the machine on? Nothing? We need a better definition of "won't start".
I have tried both PSU's, Have used the computer with everything running fine for about 40+ hours of gaming with one gtx 690 inside. The problem is when I add the second one. When I do this and and plug in the power supply with the hardswitch (if any) flipped into the on position, all of the proper led lights on the motherboard are on to indicate that the computer is turned off. When I press the power button on the motherboard (or on the front of the case), all that happens is I hear a single (for the corsair) or repetitive short (for the LEPA noise persists for about one second) click(s) and nothing else happens after that except for a small red light that turns on next to the 24-pin connector that remains on until I unplug the PSU and discharge the remaining power manually. Also, as long as the red light remains on. The power, reset, and MemOK buttons on the motherboard and the case remain non-responsive until i unplug and discharge. Like I said the 690's are not the problem, both have been tested and work perfectly, and the computer always functions normally minus one 690.
Quote:
Originally Posted by AcEsSalvation View Post

Stupid question, are the PSU power switches on? And does that outlet have power?
Yes, and Yes. So, No, I am not over the age of 65.
wink.gif

Quote:
Originally Posted by Scorpion49 View Post

Are you running the latest BIOS? Verified the slots you are using individually? I would suspect the motherboard before the power supply. I've owned a few Asus X79 boards and none of them were what I would call reliable.
Yes.
Yes.
This is what I am afraid of.
Man, You're starting to scare me now.

Edit: You know what I'm pretty sure I checked all the slots but I think I might double check just to make sure I didn't skip one.
 
#18 ·
Quote:
Originally Posted by KAPPA View Post

I have tried both PSU's, Have used the computer with everything running fine for about 40+ hours of gaming with one gtx 690 inside. The problem is when I add the second one. When I do this and and plug in the power supply with the hardswitch (if any) flipped into the on position, all of the proper led lights on the motherboard are on to indicate that the computer is turned off. When I press the power button on the motherboard (or on the front of the case), all that happens is I hear a single (for the corsair) or repetitive short (for the LEPA noise persists for about one second) click(s) and nothing else happens after that except for a small red light that turns on next to the 24-pin connector that remains on until I unplug the PSU and discharge the remaining power manually. Also, as long as the red light remains on. The power, reset, and MemOK buttons on the motherboard and the case remain non-responsive until i unplug and discharge. Like I said the 690's are not the problem, both have been tested and work perfectly, and the computer always functions normally minus one 690.
Yes, and Yes. So, No, I am not over the age of 65.
wink.gif

Yes.
Yes.
This is what I am afraid of.
Man, You're starting to scare me now.
Did you try both cards in both slots it might very well be a dead slot
 
#21 ·
Quote:
Originally Posted by shilka View Post

Did you try both cards in both slots i might very well be a dead slot
Yep, try more slots. Good chance of a dead slot.
 
#22 ·
Quote:
Originally Posted by Scorpion49 View Post

Yep, try more slots. Good chance of a dead slot.
Please fix the typo sounds strange as hell

Yes i did see the missing T and fixed it but you went ninja on me
 
#23 ·
Quote:
Originally Posted by shilka View Post

Please fix the typo sounds strange as hell

Yes i did see the missing T and fixed it but you went ninja on me
Did I? I honestly don't even remember typing it at all
redface.gif
 
#24 ·
Quote:
Originally Posted by shilka View Post

Did you try both cards in both slots it might very well be a dead slot
Yep, just double checked and the are both very much alive and kicking.

I keep getting the feeling that I'm missing something here.
blinksmiley.gif


Edit: Do you think it might be the circuit that's the Problem I'm running it on a 20 amp circuit, although all of the circuits inside my house are 20 amp and I've tried a few how much do you think a 1200w power supply could theoretically draw I know they aren't anywhere near 100% efficient.
 
#25 ·
So you figure that your Lepa 1600w isn't enough because you can't run two 690 at the same time correct?

I don't think anyone mentioned this, but have you switch the cables around for your graphic card at the modular interface of the PSU? The Lepa G1600 is a multrail PSU, and you may be running the two 690s on the same rail tripping the OCP.

Edit: Here: http://www.lepatek.com/files/LE_ProductBasic_eng/PB_File/G1600-EN.pdf
Scroll down to the end of the second page and zoom in.

There's two connectors on the left for the 12v3. The top middle / right is 12v4 and 12v6. The other two at the bottom right are 12v5. Don't put the two 690 on the same rail, and see what happens.
 
#26 ·
12 watts for the SSDs.
15 watts for the HDD
45 watts for the motherboard
60 watts for RAM (conservatively)
130 watts for CPU (30-40 watts for normal OS tasks and booting up)
350 watts for GTX 690 #1 (35-40 watts for normal OS tasks and booting up)
350 watts for GTX 690 #2 (35-40 watts for normal OS tasks and booting up)
20 watts for Wi-Fi
10 watts for BR burners (when not burning)
50 watts for fans, cooling solution

OK, so you're at just over 1000 watts at MAXIMUM load. Idle/boot load is closer to 300W total for your system.

Greg
 
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