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HiPower 700W PSU

post #1 of 8
Thread Starter 
Alright, first off I should probably mention this. I'm a jobless teen with about £40 on hand and £30 in the bank, with little ability to borrow money from my parents. A while back I was looking at upgrading my graphics card and my dad ordered me a GTX280, however I knew my Antec 500W wasn't enough for that, so I told him I'd need a new PSU. I looked around and found a nice Xigmatek 650W PSU for around £55 (in a sale), so I pointed him to it, however on finding out it couldn't be delivered at weekends he ordered a 700W HiPower instead for around the same price.

A little bit of research tells me that HiPower PSU's aren't particularly reliable, so I'd like to hear your opinions. My dad won't return it because he doesn't understand why a cheap brand of PSU would be any worse than a good brand, so if I'm to get a better PSU it'll be with the rest of my remaining cash.

Basically I'm wondering just how reliable or unreliable HiPower are. I don't want to risk the GTX280, but at the same time, due to large amounts of coursework at college it's going to be a while before I can get myself a job, so it's weighing up the risk and losing any money I have. Taking it all into balance what do you think I should do?

Cheers in advance. Sorry for the tl;dr post, I have a habit of planning a short post and making it a lot longer than necessary.

Edit: While I'm at it. Will the HiPower 700W be enough for: E6550 2.33Ghz C2D (and E8400 or E8600 when I upgrade), 4Gb DDR2 800Mhz, GTX280, 1x SATA HDD, 1x IDE HDD?

-Matt
Edited by Royaltramp - 12/26/08 at 1:13pm
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"The Oven"
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post #2 of 8
I think the hipower will suffice, at least until you can get some cash.
I've used pretty much only offbeat brand PSUs and havent experienced TOO many problems .

I'd say stick with the 750 hipower for now.
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post #3 of 8
GPU and cpu draw the power from 12v rail(s) so what can a psu do on 12v become so important. A generic 700w usually has less than 500w on 12v. That's why some solid 550w psu can do job some generic 700w do. I don't have the HI Power 700w number here but you can check its side lable. GTX280 is around 235w alone and based on what you have, you need 470w on 12v. GTX280 is latest GPU so psu should not be cheap.
post #4 of 8
Quote:
Originally Posted by linskingdom View Post
GPU and cpu draw the power from 12v rail(s) so what can a psu do on 12v become so important. A generic 700w usually has less than 500w on 12v. That's why some solid 550w psu can do job some generic 700w do. I don't have the HI Power 700w number here but you can check its side lable. GTX280 is around 235w alone and based on what you have, you need 470w on 12v. GTX280 is latest GPU so psu should not be cheap.
+1, not only the wattage is important, the amperage is also vital. because you can have sufficient wattage but insufficient amperage.
Wattage and amperage can be compared to a water hose. Wattage is how much water is coming out and amperage is how fast or the rate at which the water comes out. Thats why you can get a jolt from a car thats 50,000 volts but there isnt sufficient current (amperage) to do any real harm.

On that note, look at newegg.com, they have a 750 w (red) pc power and cooling PSU with free shipping and one hell of a rebate. I dont know if you can get stuff from them in Europe. But theyre a very good brand.
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post #5 of 8
^^ bad analogy. The volume of water coming out of the hose would depend on the rate of the water coming out of the hose.

We can't say much unless you post the specs of it here. Tell us that Amps on the 12v rail(s)
post #6 of 8
Thread Starter 
From a site selling it:

Quote:
Peak Output 800W - Continuous Output 700W
Cable Connectors

* 20+4pin Motherboard Power Connector
* 4+4pin ATX 12V Motherboard Connector
* 4x SATA
* 4x PCI-Express - 2x 6pin and 2x 6+2pin
* 6x Molex Peripheral Connectors
* 2x Floppy Drive Connectors
* All Cables in black sleeving for better cable management



Features
* Continuous Power 700W - Peak Power 800W

* High Quality Matt Black Paint Finish
* Giant 14cm Blue LED fan, super silent
* Dimension : 160(L)X150(W)X86(H)mm
* High efficiency
* Automatic fan speed control
* Over voltage protection
* Over current protection
* Over load protection
* Short circuit protection
* 100% burn-in under high ambient temperature
* MTBF: 100,000 hours at 25°C
* Superior Active PFC( Power Factor Correction)
* Excellent stability and reliability

Specification:
Input:
* Voltage: 90-264VAC
* Frequency: 47-63Hz
* Current: 4A Max.at 230VAC
Output:
* Over voltage protection: +12V1,+12V2,+12V3,
* Power good signal: 100 - 500 ms
* Power fail signal: 1 ms Min.
* Hold up time: 17 ms Min.

Output rating:
OUTPUT VOLTAGE OUTPUT CURRENT REGULATION
MIN(A) MAX(A) LOAD LINE
5 0.5 30 ±5% ±1%
3.3 0.5 30 ±5% ±1%
12V1 1 20 ±5% ±1%
12V2 1 20 ±5% ±1%
12V3 1 20 ±5% ±1%
12V4 1 20 ±5% ±1%
-12 0 0.5 ±10% ±1%
5VSB 0 3 ±5% ±1%

Cable length:
20+4P: 500MM
4+4P(8P): 500MM
3*HDD,1*FDD: 850MM
4*SATA: 850MM
1*PCI-EV2.0(6+2P),1*PCI-E: 550MM
http://www.lhdigital.co.uk/product_i...ducts_id=14444

And I can confirm that the PSU has the same information on it's side.

-Matt
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"The Oven"
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post #7 of 8
Quote:
Originally Posted by kazakia View Post
^^ bad analogy. The volume of water coming out of the hose would depend on the rate of the water coming out of the hose.

Um....not true, you can have a relatively low volume of water coming out of an orifice at an extremely high pressure. Things of that nature are used to cut metal, stone, plastic, you name it.
Also, think of a sewer drain, you can have extemely large volumes of water moving at a very low pressure.
Same with electricity, you can have low wattage/voltage and high amperage. And vice versa, thats why a 50,000 volt jolt from a car will not kill you, because the amperage is extremely low.
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post #8 of 8
Thread Starter 
I can't say I know much about power supplies, but from what I've heard you want 40A or above on the 12V rail to run a GTX280. Is the amps on the 12V rail the total of all the 12V* rails (e.g 12V1, 12V2, etc) or is it a certain one of those/any one of those. Because to me it looks like I either have 20A or 80A.

Edit: Other sites suggest I need like 70A for my GTX280, but then again, either way, I either have 20A (far too little), or 80A, enough heh.

Thanks again. +Rep for whoever solves this for me

-Matt
Edited by Royaltramp - 12/28/08 at 8:20am
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"The Oven"
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CPUMotherboardGraphicsRAM
E6550 @ 3.0GHz Asus P5N-E SLI Socket 775 1GB Inno3D GTX280 4GB DDR2 800MHz Corsair XMS2 C4DHX (4-4-4-12) 
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Logitech G11 Hi-Power Black 700W Casecom Black Razer Diamondback 
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