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post #1 of 16 Old 06-10-2010, 08:53 AM - Thread Starter
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Well first, This is my first post here on overclock.net!

So right now I have a COOLER MASTER Elite 460 RS-460-PSAR-J3 460W PSU, and if I did it correct my system should be in my sig. So you can view everything else there. I plan on upgrading my case to Lian li lancool k-62, my graphics card to HD Radeon 4770, and adding 2 gigs of ram. Now according to Newegg's wattage calculator I will still be able to power all of this. But I don't want to push it too far. Plus, after reading some things I found out the Cooler Master doesn't make good PSUs? I thought they were a pretty solid manufacturer?

Any help would be appreciated, and by looking at the size of this forum there should be plenty.

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post #2 of 16 Old 06-10-2010, 09:28 AM
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Well, Cooler Master makes units that are better than the $25 600 watt units, which aren't what any reasonable person would claim to provide 600 watts (they do, but for only a few seconds before shooting sparks).

The quality of a PSU depends on it's design, the quality of the components selected (particularly the capacitors and transformers), and the execution of it's manufacture.

Cooler Master falls into the region of adequate on these points, but that isn't going to gain much recommendation from enthusiasts who push limits while demanding longevity.

Antec, Corsair and Seasonic are among the favorites, though Corsair more for the company's customer support than specifically their design features. Seasonic makes a number of the other's units.

The power supply is one of those units upon which you may depend through multiple upgrades. They change as they age, especially the capacitors (which stabilize the electronic noise in the power it supplies). Cheaper capacitors age more rapidly, and units loaded beyond 80% of their design age faster than those loaded between 50 and 75%.

The best efficiency is usually found a little over the 50% load mark (as well as it's best noise figures).

As such, if budget allows, it's best to select a unit beyond your common load demand, but not so high that, at idle running, the unit is loaded below the 30% area (where noise usually increases again, efficiency drops again).

The 750 watt unit is a common theme, balanced among these choices, but your demands happen to be a little lower at the moment, and the 650's (or in that region) save some cash.


Some options (I have little experience with some of these, just quick selections).

http://www.newegg.com/Product/Produc...82E16817371031
http://www.newegg.com/Product/Produc...82E16817371015

http://www.newegg.com/Product/Produc...82E16817151096
http://www.newegg.com/Product/Produc...82E16817194049
http://www.newegg.com/Product/Produc...82E16817371021

http://www.newegg.com/Product/Produc...82E16817371026


>>the following Corsair is commonly recommended, but the previous Antec is actually a better choice
http://www.newegg.com/Product/Produc...82E16817139006


http://www.newegg.com/Product/Produc...82E16817371025
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post #3 of 16 Old 06-10-2010, 01:07 PM
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What jVene said. I would get a truepower new if it was me. The cooler master elite cannot do it's rated wattage at all. Cooler master makes good cases, some good fans and heatsinks and that is about it.

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post #4 of 16 Old 06-10-2010, 01:18 PM - Thread Starter
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Thanks. I will have to look to see how much I can spend. There is just so much I want to buy and not enough money to spend!

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post #5 of 16 Old 06-10-2010, 01:20 PM
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give us a price and we will find you the best unit for the price.

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post #6 of 16 Old 06-10-2010, 01:21 PM
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Quote:
Originally Posted by Kopitar View Post
Thanks. I will have to look to see how much I can spend. There is just so much I want to buy and not enough money to spend!
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post #7 of 16 Old 06-10-2010, 01:35 PM - Thread Starter
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give us a price and we will find you the best unit for the price.
Free.....haha.

Well around $70 is what I'm looking at. If I buy the PSU now (which it
looks like I am considering I'll need it to buy the graphics card anyway) then I'm going to have to be patient and wait to upgrade the graphics card, ram, or case.

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post #8 of 16 Old 06-10-2010, 01:55 PM
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Blam here you go.

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post #9 of 16 Old 06-10-2010, 07:05 PM - Thread Starter
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So 550 watts should be fine?

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post #10 of 16 Old 06-10-2010, 07:17 PM
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easily. Look at my sig rig.
A q2555, and a 5870 uses only 380w on load.

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