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Need opinion on Power Supply

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Last response: in Components
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May 6, 2012 4:02:29 AM

I'm putting together this system:

Asus P8Z77 V Pro
Core i5-2500k @ 4 Ghz
2 sticks of DDR3
Up to eight (8) WD Caviar black 7200RPM disks
Areca ARC-1222 pciX8 Raid controller
MSI NX8600GTS-T2D256EZ (transferred from old system)
Samsung 830 series 128GB SSD
Ceton Infinitv 4 pciX cabletuner card
About 2 80mm fans, of course mouse + keyboard, and occasionally 1 other USB device

I would use this system for video editing but rarely ever gaming (hence the low end graphics card)

When I use the online calculators it comes out around 450W. This seems impossibly low considering 8 power hungry hard drives but it usually breaks down to 150W for the disks and 300 for everything else. So I picked up the OCZ ModXstream 600W which is a modular psu for only $45 after rebate. Always wanted to try modular and love a deal.

Here's my decision: Should I stay with the OCZ, should I pull out the Antec Neo Eco 620c from my old system which I am stripping down (I do love the quietness of that PSU) or should I go for another PSU completely?


More about : opinion power supply

a b ) Power supply
May 6, 2012 4:32:55 AM

The OCZ 600W PSU will work fine.
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May 6, 2012 4:37:11 AM

I have a Corsair GS600 and it is perfect!
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a b ) Power supply
May 6, 2012 7:36:16 AM

raventerp said:
I'm putting together this system:

Asus P8Z77 V Pro
Core i5-2500k @ 4 Ghz
2 sticks of DDR3
Up to eight (8) WD Caviar black 7200RPM disks
Areca ARC-1222 pciX8 Raid controller
MSI NX8600GTS-T2D256EZ (transferred from old system)
Samsung 830 series 128GB SSD
Ceton Infinitv 4 pciX cabletuner card
About 2 80mm fans, of course mouse + keyboard, and occasionally 1 other USB device

I would use this system for video editing but rarely ever gaming (hence the low end graphics card)

When I use the online calculators it comes out around 450W. This seems impossibly low considering 8 power hungry hard drives but it usually breaks down to 150W for the disks and 300 for everything else. So I picked up the OCZ ModXstream 600W which is a modular psu for only $45 after rebate. Always wanted to try modular and love a deal.

Here's my decision: Should I stay with the OCZ, should I pull out the Antec Neo Eco 620c from my old system which I am stripping down (I do love the quietness of that PSU) or should I go for another PSU completely?


you have a low end gpu so you won't need much power.a quality 550w like xfx core pro 550w is a great deal-
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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a c 87 ) Power supply
May 6, 2012 10:21:23 AM

The problem with either of those two PSUs is that neither of them have 8 SATA connectors, so if you want to power eight HDDs you'll have to use 4pin peripheral to SATA adapters.
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a c 158 ) Power supply
May 6, 2012 12:43:43 PM

If you already have the Neo Eco 620W, then use it. It's a good quality PSU, pocket the extra money. If you really want the OCZ for the modular cable, then get the OCZ 500W...it's more than sufficient and costs $10 less after rebate.
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Best solution

Anonymous
a b ) Power supply
May 6, 2012 1:20:22 PM

your set up is using 425 watts. the problem is you have 8 HDs (thats up to 80 watts itself!) but it not a good idea to go overboard on the wattage for a PSU. folks seem to overlook at idle it is better that a PSU has a +15% load so it doesn't get hot.

to "smallest" PSUs i found that has 8 stata connections:
OCZ ZS Series 550W 80PLUS Bronze $69.99
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Jonny Guru Review:
Reviews - OCZ ZS 550W
Rosewill HIVE Series HIVE-550 550W Continuous @40°C, 80 PLUS BRONZE $69.99
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
AnandTech Review:
Rosewill Hive 550W
the OCZ is $44.99 after mail-in rebate card but $3.99 Shipping
the Rosewll is free shipping w/o a rebate.

EDIT: i just realized you need another sata power connection to the SSD making 9 total . .poop!
SeaSonic M12II 620 Bronze 620W $69.99 A BARGAIN!
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
SATA Power Connector 9

a little high for wattage but that is a DEAL!!
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a c 243 ) Power supply
May 6, 2012 2:15:41 PM

Like Silvune stated the number of connector's is the issue, not the amount of power.
Even a psu with 9 sata connectors ( need 10 if you're going to have an optical drive ) will have you using adapters, up to 3 depending on the case layout.
I made the mistake of ordering a NeoEco620 for a system in a LianLi PC A70 that ended up with a total of 11 drives, had to use 3 adapters, what mess.
The M12II reccomended by looniam is a good choice if you don't want to use adapters, because you can get extra modular sata cables to make up the difference
http://www.moddiy.com/products/PcCooler-Modular-PSU-5%2...
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May 6, 2012 7:41:53 PM

I do have the molex-sata adapters so that isn't a big problem but the modular sleeved cable that delluser recommended would be nice.

I think I overestimated my needs because I read that 1) hard drives use a huge amount of power when they first spin up and 2) get at least 50-100w more than you need to allow room for expandability. That's why I was spec'ing well over 500w to be on the safe side. Probably not necessary though.

The seasonic does look nice. If I ever need an optical drive I can use a USB one. Also, I'm not set on an 8 disk RAID. It's taking a long time to tests these disks so I am thinking twice about it.
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May 16, 2012 12:45:10 AM

I found the M12II open box for the same $70 price tag. It's slightly more ($10-20) than I wanted to spend and slightly more wattage (20-70) than I need to get, but otherwise it's perfect for my needs.
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May 16, 2012 12:45:25 AM

Best answer selected by raventerp.
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Anonymous
a b ) Power supply
May 16, 2012 1:09:35 AM

sweet, good find and thanks; glad to help.
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