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Shopping for a PSU

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October 20, 2010 11:47:28 AM

I'm looking to upgrade my PSU. My current PSU doesn't give me much headroom for overclocking, being that it is a multi +12V rail PSU. (4 +12V @ 20A).

I have my eye on the Corsair TX950W (far more than I need, but I will be using it in a future build), but I have found a modular PSU with an appealing price tag. I haven't really heard of the manufacturer. It would be great to get some feedback!

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

More about : shopping psu

a c 243 ) Power supply
a b K Overclocking
October 20, 2010 12:16:50 PM

The ABS is made by the same people who make the Rosewills.

As long as the psu is fully functional , 750 watts is more than enough power for you to overclock the snot out of your machine
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October 20, 2010 12:21:21 PM

delluser1 said:
The ABS is made by the same people who make the Rosewills.

As long as the psu is fully functional , 750 watts is more than enough power for you to overclock the snot out of your machine


My system shuts down or restarts when I increase the voltage to my GPU. The only way I can stabilize my GPU overclock is if I bring my CPU's VCORE down to stock voltage.
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a c 243 ) Power supply
a b K Overclocking
October 20, 2010 12:25:25 PM

You don't need more power, instead of looking into a more powerful, lower price psu, you should look into a higher quality psu.
And single or multi-rail doesn't matter.
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a b ) Power supply
a b K Overclocking
October 20, 2010 12:35:05 PM

much better

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

^ enough for 3x 5870

but you only need something like this

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

or this http://www.newegg.com/Product/Product.aspx?Item=N82E168...

for 2 x 5870

but for one 5870 this is a good deal right now

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

but if you want 1kw this is the only abs to look at ever

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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a c 248 ) Power supply
a b K Overclocking
October 20, 2010 7:41:02 PM

The ABS power supply shares the same platform as several other low budget brands. Bit of a problem with voltage drops under load.

Here are the official power requirements for the new ATI Radeon HD 5850 and HD 5870 video cards.


ATI Radeon™ HD5850 System Requirements:

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard

500 Watt or greater power supply with two 75 watt, 6-pin, PCI Express® power connectors.

600 Watt or greater power supply with four 75 watt, 6-pin, PCI Express® power connectors for ATI CrossFireX™ technology in dual mode.


ATI Radeon™ HD5870 System Requirements:

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.

500 Watt or greater power supply with two, 75 watt, 6-pin, PCI Express® power connectors.

600 Watt or greater power supply with four, 75 watt, 6-pin, PCI Express® connectors for ATI CrossFireX™ technology in dual mode.

The power supply recommendations are for an entire pc system.

Corsair and Seasonic are two brands that have a reputation for high quality power supplies that consistently earn high marks in technical reviews. They are reliable, stable, and come with a 5 year warranty. Some of the newer models come with a 7 year warranty (in the USA).


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October 20, 2010 10:47:08 PM

I'm aware that my current configuration doesn't require that much power, but I'll be upgrading or putting together another build sometime in the near future with a multi-GPU configuration. I'll be overclocking my CPU, GPU, and RAM. Some headroom would be great.

A modular PSU would be great, but isn't necessary. I've been looking at this PSU:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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a b ) Power supply
October 20, 2010 11:27:29 PM

Good PSU, but a very large excess for 2x 5870
An XFX 750w unit is a nice PSU and great for 5870 xfire and overclocking
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a b K Overclocking
October 21, 2010 3:58:35 AM

Best option is the new NZXT HAles, ahh I'm playing, but the new nzxt psu's are definatly fantastic, specially since there 80+ gold. But the XFX 750 Black Edition is a good PSU, the Corsair HX series is good too.
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October 21, 2010 5:23:56 AM

jcv0085 said:
I'm aware that my current configuration doesn't require that much power, but I'll be upgrading or putting together another build sometime in the near future with a multi-GPU configuration. I'll be overclocking my CPU, GPU, and RAM. Some headroom would be great.

A modular PSU would be great, but isn't necessary. I've been looking at this PSU:

http://www.newegg.com/Product/Product.aspx?Item=N82E168...


If you were thinking about getting the ABS PSU for $139.99 you might as well spend $10 more and get that Corsair PSU... :o  ... Some companies like Antec and Corsair have Seasonic manufacture their PSUs and they rebrand it as their own...
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October 21, 2010 9:15:04 AM

CORSAIR TX Series CMPSU-950TX 950W is good but it is too much power.
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a c 121 ) Power supply
a b K Overclocking
October 21, 2010 4:50:37 PM

The Seasonic "X" models are also 80+ Gold. One of them will likely be the next ATX PSU I buy for myself. They are also modular, so if you don't start out with a pair of graphics cards, you won't have extra cables to stuff.
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October 21, 2010 7:36:12 PM

Thank you all very much for the recommendations! I'll probably end up purchasing the XFX 750W or 850W (It's only $10 more)
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a c 91 ) Power supply
October 21, 2010 8:10:56 PM

jcv0085 said:
Thank you all very much for the recommendations! I'll probably end up purchasing the XFX 750W or 850W (It's only $10 more)


Wise decision..
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October 23, 2010 3:01:29 AM

Well, I just tested my PSU with a DMM. I'm not getting any voltage drops under full load. The system restarts were just coincidental.

I brought all of my components back to stock voltage and speed and stress tested my CPU with both Prime95 and OCCT. OCCT indicated an error on Core #3. Other times I have ran OCCT, my system will restart or BSOD. I was able to catch one of the BSOD stops 0x00000000

Anybody know what the heck is going on?
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a b ) Power supply
a b K Overclocking
October 25, 2010 3:28:02 AM

^ If you are getting errors on stock, you *may* have damaged the CPU (ie too much voltage,voltage spike,etc).

Also, download and run Memtest86+ to rule out RAM problems.
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