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can GTX 650 RUN ON 400w psu

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  • Gtx
  • Graphics
  • Nvidia
Last response: in Graphics & Displays
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March 21, 2014 10:27:58 AM

i am thinking of buying a zotac gtx 650 for gamiing purposes and nvidia has announced that it will support directx12 by future driver updates. so my psu is of 400w.my psu doesnt have 6pin so i will use dual molex to 6pin.can i run in??

MY SPECS (in case u need them)
cd/dvd player (lg)
intel pentium duo core e5400 2.7
currently 210 nvidia(using pcie slot only , no 6pin)
2gb ram
any information u need u can ask me. for ex amps and 12+ volts etc etc
THANK U VERY MUCH :) 

More about : gtx 650 run 400w psu

a b Î Nvidia
March 21, 2014 10:31:22 AM

yes whats the 12volt rail amps.
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March 21, 2014 10:32:07 AM

what power supply are you using?
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a b Î Nvidia
March 21, 2014 10:33:54 AM

Normally, I do not recommend using adapters, but a 6-pin cable is not needed for many of the GTX650s out there, so if Zotac needs one, it must be just barely, so it should be safe. What brand and model is that "400W" PSU?
If you have the money, you could get a GTX750Ti, GTX750, or HD7750, all of which are stronger that the GTX650 and do not need auxiliary power. Make SURE you get a GDDR5 version, not one of the abominations sold with the much slower DDR3.
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a b Î Nvidia
March 21, 2014 10:45:47 AM

An 80+ rating means that the PSU was able to provide its claimed wattage, but at the unrealistically low temperature of 23C. In the absence of a competent technical review, it gives some small hope that the unit is not junk, but is no sure thing.
The number of rails will not matter. In a multi-rail PSU, the rails have OCP trip points set to protect vs. overloads. Note that some companies may claim OCP protection when in fact competent technical reviews have shown that the required components are not present (e.g. some CoolerMaster "Extreme" units). The rails are not strictly additive, and power is never "trapped" on an under-utilized rail (contrary to an old Corsair marketing myth).
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a b Î Nvidia
March 21, 2014 10:55:25 AM

yes indeed it must be branded. not "UnicornUnlimitedWatts 80+rainbow certified"<------never fall for these.
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March 21, 2014 9:38:15 PM

ModernWarfare said:
yes whats the 12volt rail amps.


It is written below +12v = 12a
And -12v = 0.5 a
And max 22a
Is this what do u need ?
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March 21, 2014 10:21:45 PM

ModernWarfare said:
yes indeed it must be branded. not "UnicornUnlimitedWatts 80+rainbow certified"<------never fall for these.


or "SuperFlower 500000000W PSU"
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a b Î Nvidia
March 21, 2014 10:40:07 PM

sora said:
ModernWarfare said:
yes indeed it must be branded. not "UnicornUnlimitedWatts 80+rainbow certified"<------never fall for these.


or "SuperFlower 500000000W PSU"


Get on topic please.
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a b Î Nvidia
March 21, 2014 10:42:23 PM

Karan Luniyal said:
ModernWarfare said:
yes whats the 12volt rail amps.


It is written below +12v = 12a
And -12v = 0.5 a
And max 22a
Is this what do u need ?


Can you post a picture of your power supply sticker? Which company is your power supply made of? Seems to be an aftermarket PSU. The Chinese PSU's they supply have more amps than these, even though they also are never sufficient.

12A is too low. Please post a picture for more clarity(upload on sites such as imgur and post link of image here).
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March 21, 2014 11:41:53 PM

Sorry my mother is not at home and i cannot click a photo...
Sorry but i have currently opened my system so please ask seperatly about volts
Btw my psu is of MORA model no m-400 e (24 pin )
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a b Î Nvidia
March 21, 2014 11:44:28 PM

Never heard of that brand. Wouldn't recommend running a graphics card on that PSU.
Get a new one.
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March 21, 2014 11:46:10 PM

Thank you all.. but can u suggest a good gpu in 7000 rs wihout 6 pin i mean pcie gpu
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a b Î Nvidia
March 21, 2014 11:47:19 PM

You have to get a new power supply first. No choice in that matter. When you get a new power supply, it'll have the 6-pin connector.
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March 21, 2014 11:48:43 PM

Ahh but i cannot spend more than 7000 r that means i am left with no choice :( 
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Best solution

a b Î Nvidia
March 21, 2014 11:52:29 PM

You'll not be able to run any graphics card(and I mean any) on that power supply; it has only 12A on the +12V rail. Your CPU, hard drives, usb devices, fans, all that stuff will easily eat up all those watts. You install a graphics card, it'll not simply boot; or damage the psu; or damage the graphics card.
Get a new PSU first. And you're right. You're left with no choice.
Share
March 22, 2014 12:16:45 AM

One last question i am currently running gt 210
Wihout any problem so can i run 7750 hd sapphire
I am getting it for 7010 rs
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a b Î Nvidia
March 22, 2014 4:05:22 AM

He's got only 12A on the +12V rail. Even if it gets a little demanding, chances are, his PC will shut down.
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March 22, 2014 4:18:40 AM

to know if a power supply has a single rail the only way is to open it up most power supplies that come with a standard PC are either two or 3 smaller supplies used in conjunction with each other, hence a power supply thats 500W with two rails will have 250W per rail which means you can overload it easier by having a load excedding 250W on either one of the two rails
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a b Î Nvidia
March 22, 2014 4:21:06 AM

Never open a power supply yourself. If you're not careful, it may even result in death.
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March 22, 2014 4:22:04 AM

if you go for that XFX power supply above you should be fine, aslong as your not crossfiring to graphics cards, if you need a bit more power then maybe go for something like this.

http://www.amazon.co.uk/Seasonic-S12II-620-ATX12V-Stand...

basically your graphics will be around 75W max, then make an allowances of 150W for the standard components, then 25W for each additional fan
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March 22, 2014 4:24:59 AM

I opened mine and soldered a new fan into it, aslong as you dont touch any capacitors you'll be fine but the components in there could shock you but wouldnt kill you its only a small glorified dc transformer rectifier circuit, the only voltage that could kill you is the voltage entering it, after the transformer its all running on 12v how can that kill you?
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March 22, 2014 11:18:19 PM

cst1992 said:
Never open a power supply yourself. If you're not careful, it may even result in death.


This... Not worth the risks brah.
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a b Î Nvidia
March 25, 2014 11:05:14 AM

This is not a point of debate. 12A on the +12V rail will not run ANY card, not even a Geforce 210, which is one of the lowest TDP cards in the world. Get a new PSU.
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a b Î Nvidia
March 25, 2014 11:11:30 AM

matt20020 said:
I opened mine and soldered a new fan into it, aslong as you dont touch any capacitors you'll be fine but the components in there could shock you but wouldnt kill you its only a small glorified dc transformer rectifier circuit, the only voltage that could kill you is the voltage entering it, after the transformer its all running on 12v how can that kill you?


Really? You must be having an inverter at home, to use when the power goes off. Its battery is quite big, but is still 12V of DC. Try touching that with your bare hands. If you survive, post back here.
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March 25, 2014 1:21:23 PM

Yes really, and I dont have an inverter in the house.

But thats not the point to die from a shock you need voltage aswell as current plus when your working on something like that common sense tells you to unplug it from the mains before hand. The only component that will hold a charge is the power factor correction capacitor and even thats on the secondary side of the circuit, and the charge from that may shock you but would not kill you, chances are once you switch it off this will be dicharged within the circuit anyway :) 
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March 25, 2014 1:29:27 PM

The only thing that holds a voltage of 240V is the primary windings of the transformer whilst it is turned on, to get a shock that will kills you, you need voltage aswell as current.

You could get current burns from a low volatage and high current but you would not die from it, but this is unlikly unless you have it turned on whilst working on it!, and to get dicharge current off the capacitor you would have to touch the legs on it, and this would probably only be a mild shock as power supplies use mF capacitors
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March 25, 2014 1:29:51 PM

so who looks stupid now lol
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March 25, 2014 1:35:24 PM

you just mentioned that the voltage rail is 12V, do you even know what this is?, I don't think you do myself!
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a b Î Nvidia
March 25, 2014 1:57:59 PM

You don't need 240V to get electrocuted, and we're not talking about the AC current here either. Even if the power supply is not plugged in, there is still charge left in the capacitors, and they take a lot of time to discharge(ideally infinity, but practically 5-6 time periods; 1 TP = the time required to go from 0 to 0.707*full voltage).
Actually speaking, voltages don't matter, current does. A current of even 1A is enough to kill a person, did you know that? I'm pretty sure the PFC capacitor will have enough charge in it for a long time to produce a current of that order.

And about the stupid part, you're looking stupid, as you're quad posting.
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March 25, 2014 2:01:49 PM

will the current be able to flow through your body if the voltage is not enough to drive it?
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a b Î Nvidia
March 25, 2014 2:06:04 PM

This is getting too much now. Power supplies are not meant to be user serviceable, and I'm not going to recommend anyone to do it, end of story.
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March 25, 2014 2:25:51 PM

ok i agree with you on that one, and appoligies for going on. And I didnt recommend any1 to do it, things like that should only be done if you fully understand whats inside and how it works, sorry just got a bit carried away at getting my point across but for the general person no it shouldn't be messed with, its for easier to just buy a replacement.
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March 25, 2014 10:20:16 PM

Ok guys, thank u
And my budget is now 8000 rs
So ican i get a nice psu with nice gpu in this range
I live in india so please tell me.
And i m getting ati r7 240 1 gb gddr5 1gb with boost at 5770 rs
Any suggestions?
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March 25, 2014 10:21:28 PM

Plus i forgot i m getting crosair vs 450 at 2200 rs
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a b Î Nvidia
March 25, 2014 10:37:36 PM

usually the sweet-spot for price/performance is seen, but since you only have a dual core e5400 processor, those cards won't use their full power on your system.
You'd be well off getting a GT640:
http://www.flipkart.com/zotac-nvidia-gt-640-1-gb-ddr5-g...
Get only the GDDR5 version. There are many cheaper DDR3 2GB versions, but they perform worse than this card, and you don't need the extra RAM.
Total 6900+2200 = 9100.
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April 7, 2014 9:45:28 PM

what about msi r7 260x 2gd5 oc
and crosair vs 450(uk)
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a b Î Nvidia
April 7, 2014 10:59:02 PM

Unless you plan to upgrade soon, the 260x is WAY too powerful for your CPU.
Get the 250 or GTX650 instead.
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