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I know & your site is loved & respected by all, now just to make it profitable...

Add a "GPU Booster" PSU, it fits in the 5.25" bay. What PSU are you using now?

If this is running "ok" for you, why the upgrade? And if upgrading from PC P&C 500W (+12V@35A), go to at least 650W/750W (+12V@50A)/(+12V@60A). Antec New True, Earthwatts, Corsair HX, TX

All PSU's should be loaded between 40% & 60% of the rated max for most efficient operation, this also allows sufficient "headroom" for spikes & transients.:D

Yes, usually used only for control logic usually about [email protected] (3.75W).

Spin-up produces only a short transient, you do not need a PSU rated as high as short transients, the 60W brick "might" be ok, if 60W is enough to meet the max sustained requirements & it is designed to handle these spikes & transients. If the manufacturer recommends it , it "should" be fine.

:p The idea is that they pay, not us!:D

Way over kill! A Corsair 550W or 650W is the ideal or 750W for future CF. The Antec New True PSU's of the same wattage earn the same recommendation. If you just want an ultimate, never worry forever, expand till Star Trek, recommendation, it would be for a Corsair 850HX or Antec Signature 850W...

An excellent choice, the 750W for CF with 2X 5850's.:D

For a pair of 5870's, the choice is the Corsair 850W, but a 750TX will be fine & your 620HX will work. The Antec Signature 850W, XFX 850W & the 850W Seasonic's would be ideal also.:D

Please try and get a couple for test/review.:D

With that 4870 X2 you are fully using your 620HX, but it can handle it, I would have gone a 750HX myself for cooler, quieter operation with more headroom for transients. A 950TX would be a nice improvement & allow for a second 4870 X2.;)

BUY IT! That is a killer UPS & battery packs are cheap!:D

HDD's can pull upto +12V@3A during start of spin-up, that is 36W. This is a short, under 2-sec transient.

As stated the Corsair 620HX is far superior PSU, what are your system specs?

That is an excellent PSU!:)

No, not at all. A Corsair 400W should be fine, unless you are going for extreme OC's.:)

It and most other higher end PSU's are available in modular versions at higher prices, so get one & you will be set for years to come!:D

This is exactly what you need: http://hardforum.com/showpost.php?p=1035945559&postcount=13 ;) An Excellent Question!

What PSU does the mobo manufacturer recommend or certify?

If you want to gamble, come visit me, I live in Las Vegas! But with a PSU's ability to effect all aspects of operation, including destroying GPU's, this is not the place to gamble.:)

Excellent! CONGRATS! You shouldn't have any power problems for a long time to come.

You are most welcome.

Some of my clients have old TP's running from almost the beginning of the 00's.

just leave the 2 pins unused

Then, "Make it so"! I think as long as these are only lightly loaded, with good case cooling, they work pretty well, as I recall it was only after heavy loading and/or high temps that the serious problems appeared.

I think you have picked 2 winners!:D The Antec 620W is rated for +12V@48A, the Seasonic 520W is rated for +12V@40A. I believe that Seasonic builds these Antecs, but Paul or Jon could tell us for sure. Either is enough for your system with a Quad & some OC'ing, but given the prices & an...

Jon, even you can't have it both ways, so please make a specific recommendation. I don't feel comfortable recommending any of them, but you know their insides better than I do, so please help out the OP.

Good point!

This is very rare for a PC P&C, but it does happen. Thankfully you are still under warranty.

Write down the serial number and call Antec.

None of the PSU's that you list are "recommendable". $55 + $2 S&H: Antec NEO ECO 520C 520W Continuous Power ATX12V v2.3 / EPS12V 80 PLUS Certified $60 + $2 S&H: Antec BP550 Plus 550W Continuous Power ATX12V V2.2 Modular Two very good good PSU's from Antec, $57 non-modular & $62 modular...

Are you still under warranty?

Not Available in the greater Las Vegas area.:( No one I know has seen one in a store yet.

If lightening wants you, the only places to hide are submarines and Nuke Proof bomb shelters! A powerful enough bolt will get through anything!

You don't need to worry about it as all your GTX460 is going to do is idle. nVidia automatically shuts down Physx when it detects a non-nVidia GPU.:(

This will help, APC UPS Selector.

Yes it sounds like the PSU & yes it is a good idea try a PSU that you know works to verify. Assuming that we are all correct, what are your system specs so we can recommend a new PSU? With your "edit - update", the world changes. Clean it up, check to be sure that all of the fans are working...

20+ post and no one recommended what you bought. Why did you post here? You were given excellent advice back in post 13.

A good solid choice.