Seasonic S12 in my system??

dwdty9

Senior member
Dec 8, 2004
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I really want this ps: http://www.newegg.com/app/ViewProductDesc.asp?description=17-151-022&depa=1

But my question is will it be able to handle my system?
AMD Athlon XP 2800+
1024MB PC2700
Asus ASUS N8X nForce2 400 MHZ FSB
Sapphire Radeon 9800 Pro 128mb
80GB Ultra DMA HD
Lite-On 48x24x28 CD-RW
Hauppage WinTV PVR 250

I also am planning on upgrading in the near future for an AMD 64 and nice mobo with PCI-E. Would the dual 12v rails be good enough to support that? It seemed a little low. But it has everything else, ATX 12v 2.0 for future upgrades, and a quiet 120mm fan
 

cyberknight

Senior member
Sep 3, 2004
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It'll be easily enough for your current system, and probably enough for your 64 system. A 430W might be a little more versatile if you plan on adding more hard drives and an X850XTPE or something.
 

dwdty9

Senior member
Dec 8, 2004
535
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There are few differences in the two, but the Enermax had two 18a on the 12v rails, instead of Seasonoics 10a and 15a. Also, the Seasonic's fan is 120mm to 80mm for the Enermax and Seasonic has the active PFC
 

wisdomtooth

Golden Member
Dec 21, 2004
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Originally posted by: dwdty9
I really want this ps: http://www.newegg.com/app/ViewProductDesc.asp?description=17-151-022&depa=1

But my question is will it be able to handle my system?
AMD Athlon XP 2800+
1024MB PC2700
Asus ASUS N8X nForce2 400 MHZ FSB
Sapphire Radeon 9800 Pro 128mb
80GB Ultra DMA HD
Lite-On 48x24x28 CD-RW
Hauppage WinTV PVR 250

I also am planning on upgrading in the near future for an AMD 64 and nice mobo with PCI-E. Would the dual 12v rails be good enough to support that? It seemed a little low. But it has everything else, ATX 12v 2.0 for future upgrades, and a quiet 120mm fan

Are you going to go SLI when you go AMD64? If you are, get the Seasonic S12-500.

Otherwise, the Super Tornado 400 would be a great choice-- 22Amps on a single 12V rail so you don't have to worry about unbalanced current draw on a dual-rail PSU.

HTH.
 

wisdomtooth

Golden Member
Dec 21, 2004
1,155
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0
ATX12V 2.0 spec did not specify dual-rail. The Rev. A3 version of the Super Tornado 400(single rail) is ATX12V 2.0-compliant with a 24-pin motherboard plug ("PCI-Express Ready").

ATX12V 2.01 specifies dual 12V rails I believe.

And ATX12V 2.03 does away with one of the 5-volt rails.

At least that's the impression I got from Googling for "ATX12V 2.0 spec".

I am running an Asus A8N-SLI board with a Seasonic Super Tornado 400 (which has the 24-pin plug) and a 6800GTO card. No problems. I will probably have to change the PSU to an S12 though if I add another 6800GTO.

HTH.
 

dwdty9

Senior member
Dec 8, 2004
535
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If I get a PCI-E vid card, will I need a separate PCI-E power connector like the ones the Seasonic 500w has?
 

wisdomtooth

Golden Member
Dec 21, 2004
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Some cards need it, some don't. Many of my HTPC enthusiast colleagues have NVidia 6600 PCIe cards and those don't. I have a 6800GTO and it needs it (I got the adapter from Newegg that converts a 4-pin molex to the 6-pin PCIe power plug). I think I've seen some lower-tier 6800s that do not.

So it depends on the cards. Though I think it's safe to say that the higher-performance PCIe cards in the future will probably need it.

HTH.
 

wisdomtooth

Golden Member
Dec 21, 2004
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That's because the TruePower II line from Antec is very new. Wait a month or two and reviews should be forthcoming.

Though I think if previous Antec products are of any indication, it would be a good performer and great value, though not particularly quiet (at least to quietness freaks like me).
 

Capt Caveman

Lifer
Jan 30, 2005
34,547
651
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My two cents. If you're thinking for the future, I think you need to look at something over 400w and closer to 500w. Enermax, Antec and Seasonic are all good psu brands and all very energy efficient w/ Seasonic S12 series the best. I plan to eventually move up to a Seasonice S12 550 or 600w in the future. But I currently run an Antec TrueBlue 480w with only 22A on the 12v rail on for the system in my sig and I've had no power issues. I've had to use a 20pin to 24pin adapter for the mobo and a four-pin molex to 6pin pci-e adapter for the video card. But I believe mobo's can be picky in it's ability to use a 20pin power adapter so you're better off going 24pin. From what I've also been able to research, is that there isn't much of an issue going dual or single 12v rail as long as you have enough amps on that rail.
 

tallman45

Golden Member
May 27, 2003
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Stay with the Seasonic. Either the S12 or Super Tornado will be virtually silent and far more efficient (80% vs 65%) at 30%-50% power than an Antec. It will save you $ in energy costs
 

dwdty9

Senior member
Dec 8, 2004
535
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That's what I did, I bought the S12-430. I figure I'll just get a molex adapter thing for PCI-E when I go that route. It shoudln't be a problem. I'm excited to get a really quiest PSU, mine is pretty loud!
 

Sensai

Senior member
Nov 30, 2002
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haha.....where's ribbon.... every thread where seasonic is mentioned....she's there!
 

ribbon13

Diamond Member
Feb 1, 2005
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Originally posted by: dwdty9
That's what I did, I bought the S12-430. I figure I'll just get a molex adapter thing for PCI-E when I go that route. It shoudln't be a problem. I'm excited to get a really quiest PSU, mine is pretty loud!


Good choice.