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Looking to replace my PSU

post #1 of 9
Thread Starter 
Hey PSU aficionados. I am looking for a new PSU for my 24/7 folding/Boinc rig. I have a Seventeam 850W PSU, but it only has 4 PCIE plugs and I am sick of using molex adapters to run 3 GPUs.

Rig specs:
AMD 1055T currently running at 3.6GHz, but will push farther when new mobo arrives.
3 ASUS GTX 460s. These too will be replaced when the GTX 560s come out or 570s drop in price.
In current config pulling 575-600W at the wall. With 3 OC'd GTX 465s it peaked at 800W.

Requirements:

Must have minimum 6x 6/6+2 PCIE plugs
Must be efficient. Remember this rig is running at full load 24/7
Quiet would be nice, but obviously that depends on load.
Must be able to upgrade to 3x GTX 570s in the future.

I took a quick look on Newegg and came up with either the Enermax 900W, Coolermaster Silent Pro 1000W or Silverstone Strider Gold.

I could use your opinions on these PSUs plus any others I may have missed.

Thanks!
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post #2 of 9
If you can wait a little bit, Antec's HCP-1000 is due to come out soon. If it's anything like the HCP-1200 it should be the best 1000W unit on the market.
post #3 of 9
Thread Starter 
Quote:
Originally Posted by Shub View Post
If you can wait a little bit, Antec's HCP-1000 is due to come out soon. If it's anything like the HCP-1200 it should be the best 1000W unit on the market.
Yeah I can wait a little bit, but I am worried about the pricing on a new model. Any idea of the release date?
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post #4 of 9
Let's stick with the three psus in your post. GTX 570 tri can draw 580w plus Oced x4 may take up to 200w so either Enermax 900W, Coolermaster Silent Pro 1000W or Silverstone Strider Gold is able to get job done. Personally, I would go for Enermax 900W or even Enermax 1020w
Edited by linskingdom - 12/28/10 at 5:45pm
post #5 of 9
Given that the HCP-1200 is $300, the HCP-1000 will necessarily be less.
I don't exactly know when it's supposed to come out... As far as I know it should already be out, so at this point I'm just confused.
Another option for you is the Enermax Revolution85+ 1050W, but it's been replaced by a somewhat inferior 1020W version. If you can get your hands on the 1050W, then get that. Or the ABS SL 1050W. Same unit, usually cheaper.

The Silverstone Strider Gold should also be pretty good if it's anything like the Strider Plus... but since I haven't seen any reviews of the Strider Gold yet, I can't comment on it.
post #6 of 9
Thread Starter 
Quote:
Originally Posted by Shub View Post
Given that the HCP-1200 is $300, the HCP-1000 will necessarily be less.
I don't exactly know when it's supposed to come out... As far as I know it should already be out, so at this point I'm just confused.
Another option for you is the Enermax Revolution85+ 1050W, but it's been replaced by a somewhat inferior 1020W version. If you can get your hands on the 1050W, then get that. Or the ABS SL 1050W. Same unit, usually cheaper.

The Silverstone Strider Gold should also be pretty good if it's anything like the Strider Plus... but since I haven't seen any reviews of the Strider Gold yet, I can't comment on it.
The Enermax and ABS 1050W units are only rated 80 Silver. I dont know how stringent those tests are, so I have to ask, is it possible for a Silver unit to be more efficient than a Gold unit in "real world" applications?
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post #7 of 9
Those tests are very lax actually, and rarely reflect a power supply's actual efficiency in a real situation. The 80 Plus certification organization tests PSUs at 25°C, which is a lot cooler than most computer cases, and as you might know, efficiency goes down as heat goes up.
You didn't say you wanted an 80 Plus Gold unit though, just an efficient one Silver is nothing to sneeze at already. To answer your question, a lot of PSUs can't meet their 80 Plus certification in real world situations, dropping to the next lower level (e.g. dropping from Gold to Silver -- the Corsair AX850 does that).
That said, I was just throwing options at you.
Out of the three you mentioned, personally I'd get the Enermax Modu87+ 900W. It's an impressive unit. According to tests, it actually maintains its 80 Plus Gold efficiency in real world conditions.
The Strider Gold is surely great but like I said, until I see a review from someone who knows what they're talking about, I can't really recommend it.
I'd still wait to see what the Antec HCP-1000 can do but I think I've said all I can at this point
post #8 of 9
Thread Starter 
Quote:
Originally Posted by Shub View Post
Those tests are very lax actually, and rarely reflect a power supply's actual efficiency in a real situation. The 80 Plus certification organization tests PSUs at 25°C, which is a lot cooler than most computer cases, and as you might know, efficiency goes down as heat goes up.
You didn't say you wanted an 80 Plus Gold unit though, just an efficient one Silver is nothing to sneeze at already. To answer your question, a lot of PSUs can't meet their 80 Plus certification in real world situations, dropping to the next lower level (e.g. dropping from Gold to Silver -- the Corsair AX850 does that).
That said, I was just throwing options at you.
Out of the three you mentioned, personally I'd get the Enermax Modu87+ 900W. It's an impressive unit. According to tests, it actually maintains its 80 Plus Gold efficiency in real world conditions.
The Strider Gold is surely great but like I said, until I see a review from someone who knows what they're talking about, I can't really recommend it.
I'd still wait to see what the Antec HCP-1000 can do but I think I've said all I can at this point
Thanks for all your help/info.

Basically its down to the CM or the Enermax. The CM is a better value, but I will think on it a little bit more.
Edited by franz - 12/28/10 at 7:33pm
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Lola
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Charlestown
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post #9 of 9
Thread Starter 
I decided to buy the CM Gold 1000W. Its cheaper than the Enermax, is rated for slightly more power, and comes with enough PCIe adapters to run 4 GPUs if I so choose.

Thanks again for all the help.
Lola
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Charlestown
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CPUMotherboardGraphicsRAM
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Lola
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Charlestown
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