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Temporary power supply

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February 21, 2012 4:02:47 PM

Hi so I burned my pc's power supply last day (ocz 650 watt) and I am about to order a new power supply but for the time being a friend of mine gave me a 400 watt power supply until my new one arrives. I wanted to ask will it be able to handle my system the 400 watt one or will it damage it.

My system is asus p8p67 evo, i5 2500k, samsung 830 ssd, 2 x 2TB WD Black, asus engtx 460, 2 x 4GB corsair vengeance ram.

I disabled the automatic overclocking of the cpu from its switch on the motherboard (TPU) I will downclock my graphic card maybe remove a ramm dimm and/or the 2TB drives. Its just that i have a 4 pin for the cpu instead an 8 pin that it needs and in a store here that i asked they told me i should not do that because the minimum for the power supply is 450 watts instead of 400.

Is there a chance I'm going to destroy the rest of my system?

More about : temporary power supply

a c 111 ) Power supply
February 21, 2012 4:09:11 PM

Bad idea, 400watt no name brand psu is a badddd idea.
February 21, 2012 4:11:25 PM

not even if I downclock everything? its a TurboX 400 watt power supply
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a c 111 ) Power supply
February 21, 2012 4:12:56 PM

You need 8 pins, otherwise you could be damaging everything in your whole entire system. I have never heard of TurboX before.
February 21, 2012 4:14:56 PM

I have heard before and I believe that my mobo's manual says that I can use just a 4 pin instead of an 8-pin nut I'll just not have a lot of power
a c 158 ) Power supply
February 21, 2012 4:15:50 PM

The biggest roadblock will be the lack of an 8-pin EPS connection to provide stable power to the mobo for the CPU. Without the proper power to the mobo for the CPU, your system won't successfully POST. Will it damage your system...no because it won't boot.
February 21, 2012 4:16:46 PM

what if I got a 4-pin to 8-pin connector? would that work?
a c 158 ) Power supply
February 21, 2012 4:27:38 PM

What are the ratings listed on the PSU? It might work but I wouldn't recommend it. I doubt that the PSU is stating its max continuous power rating.

February 21, 2012 4:38:35 PM

Rugger said:
What are the ratings listed on the PSU? It might work but I wouldn't recommend it. I doubt that the PSU is stating its max continuous power rating.


I don't know right now cause I'm not at home but yeah it's a really cheap one and I don't trust it at all so I'm just going to wait or maybe find another power supply and put these two together. Thanks for the answers I'll make a new post in finding a new power supply to buy
a b ) Power supply
February 21, 2012 6:00:01 PM

dont use this 400 watts power supply could damage the board and you will have to buy also a new motherboard
a b ) Power supply
February 21, 2012 6:07:36 PM

OK, you've asked for our opinion, 3, and now 4 are saying don't do it.

Yes it'll probably boot with just a 4 pin, but, it may fail, often peak loads are at bootup before all the power saving features get turned on, (perhaps not for the GPU) .

If it fails then it may kill your mobo (recently seen this happen from an overloaded PSU)

I'd say ok do it, if you removed the GPU, removing the HDD's and RAM is only going to be 10Watts max.

Thats the opinion of four people, if you want to go on and do it, then feel free to.

February 21, 2012 6:08:13 PM

Dont use it, i did that once with my old PC, my GPU burned and so did my motherboard. I Used alphapowerx 750W on a dual core cpu and a gtx260 :D :D :D 
February 25, 2012 11:50:40 AM

13thmonkey said:
OK, you've asked for our opinion, 3, and now 4 are saying don't do it.

Yes it'll probably boot with just a 4 pin, but, it may fail, often peak loads are at bootup before all the power saving features get turned on, (perhaps not for the GPU) .

If it fails then it may kill your mobo (recently seen this happen from an overloaded PSU)

I'd say ok do it, if you removed the GPU, removing the HDD's and RAM is only going to be 10Watts max.

Thats the opinion of four people, if you want to go on and do it, then feel free to.


Well 2 hours before you posted I said that I wouldn't do it anyway because I didn't trust that power supply, so no need for worries also I just got a new one the XFX 1000w platinum (preparing for an upgrade that's why so many watts)
!