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650 Watt or 750 Watt?

post #1 of 14
Thread Starter 
I am looking to get a new PSU since my OCZ StealthXStream 2 700 Watt burned up while I was running LinX. This is the 4th PSU I had from OCZ that burned up so I am not even going to bother sending this one back in for a RMA since I don't trust another one with my system.

I am deciding whether to get the Antec True Power New 650 Watt or 750 Watt (or if there are any better and cheaper suggestions) for my system. I want there to be more room for additional overclocking just in case I want to try to go higher. Here are my computer specs and overclocking clocks:

Xeon W3520 4.4Ghz 1.35V (HT off)
Gigabyte GA-X58 UD3R
GTX 480 850/2000 1.138V
OCZ 3X 2GB DDR3 1688
64 GB Corsair Force SSD, 3X 500GB HDD in RAID 0
About 8 120mm fans
DVD Drive
Sata PCI Raid Card
post #2 of 14
For future expansion get the 750W PSU.

Good ones:

TX750 V2 (corsair)
X750 (seasonic)
 
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Samsung 850 Pro 1TB Seagate 2TB H105 EVGA Hybrid GPU cooler 
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post #3 of 14
i would go with 800 watt or higher possbily 900-1000 watt would be ur best shot becauase then ur well off with the cpu and gpu with the psu

750 is good to but id bump it up just a little higher if ucan!

i hope i helped you out in any way!!!
(:
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post #4 of 14
Quote:
Originally Posted by rawrjaay View Post
i would go with 800 watt or higher possbily 900-1000 watt would be ur best shot becauase then ur well off with the cpu and gpu with the psu

750 is good to but id bump it up just a little higher if ucan!

i hope i helped you out in any way!!!
(:
Why would he need a 1000 watt PSU unless he stated he would like 3 video cards? Even a quality 850 watt will run any dual GPU setup there is with plenty of headroom.

Go with the Seasonic 650X gold. IMO.
Edited by Tom1121 - 4/24/11 at 7:40pm
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post #5 of 14
Quote:
Originally Posted by rawrjaay View Post
i would go with 800 watt or higher possbily 900-1000 watt would be ur best shot becauase then ur well off with the cpu and gpu with the psu

750 is good to but id bump it up just a little higher if ucan!

i hope i helped you out in any way!!!
(:
To handle a system like his with a single GTX 480 in it, a quality 650W power supply is enough.
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post #6 of 14
Quote:
Originally Posted by TwoCables View Post
To handle a system like his with a single GTX 480 in it, a quality 650W power supply is enough.
This.

Don't really need anything more than a quality 650W PSU if you're running a single GPU setup.
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post #7 of 14

And the vast majority of single GPU setups can run on much less. We're talking 650W here just because a Xeon W3520 and GTX 480 is one of the most power-hungry CPU+GPU combinations possible (well, most power-hungry GPU), and the OP wants to be able to overclock them to the limit.

I think this video is relevant:


I'm pretty sure the parts above are not overclocked, the power reading is AC and not DC to the components, and of course that scenario isn't really drawing full load. But that gives you an idea.
post #8 of 14
Thread Starter 
Ok thanks to everyone for the help, I am going to get the 650 Watt one then since mostly everyone that posted said that a 650 Watt would power my system no problem even with my overclocks, and it is also $20 cheaper.

I looked at the Seasonic 650X gold but sadly it is out of my price range. I picked the Antec True Power New since it was on the recommended list and it was the cheapest out of the bunch with good reviews.

If anyone can give me reasons why 650 Watts wouldn't be enough( if the are any) then I would appreciate it.
Edited by speedy2721 - 4/24/11 at 10:08pm
post #9 of 14
550w would be enough for any single GPU setup aswell. Including lots of overclocking.
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post #10 of 14
Get the best choice 650W in your price range.
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