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Oops...PSU dead.

Trepidati0n

[H]F Junkie
Joined
Oct 26, 2004
Messages
9,269
PSU has not been starting up lately (runs fine once it goes). Today after reapplying AS5 to the bridge...it wouldn't start at all. So, I have my rig running on a wing and a prayer right now with a 350W PSU w/o no extra power to the 7800 GTX.

Early next year I will be upgrading to a quad + single 8800GTX (9800?!?) video card. The CPU will be a Q6700 and I will be only running 1 HDD, 1 optical drive...and 2-3 120 mil fans (I have a tsunami dream case).

Estimates show <450W with a Q6700 (OC'd to 3GHz) and a 8800 GTX going full tilt. While I was thinking the 620 Corsair would be enough...it doesn't feel right. So would the PCP&C 750 be a better choice? The thing I enjoyed most about my Antec neo was the modular cables and not sure if i'm willing to give that up. I also like the silence of the two. What about 8-Pin PCI-E? What about single high powered 12V rails? I just feel that there is too many variables running around and with the pressure of getting my current rig at least to 100%...I feel rushed.

Any sanity advice?
 
I love single rails. Less to worry about.

The Corsair will be plenty for a quad and a single card, but if you want SLI I would not stay with it.

Fans and harddrives (until you get in to like, 5+ HDDs) don't really figure in to load. Fans tend to be 2 watts to start 1/2 watt to maintain, HDDs are 10-15 each while seeking, 5 or less sitting idle.

I have a feeling that G92 will use at least one 8 pin PCIe power connector, but you can get 6-to-8 pin adapters that will work fine, so I wouldn't worry about it. 6 wires will take 250 watts (the max draw allowed by an 8 pin connector) just as well as 8, really, it's not like they're very thin.

If you want a lot of headroom the Silencer 750 Quad is a great deal at $170 direct from PC Power and Cooling right now. If you might only add a couple of haddrives to the rig you planned over time, the Corsair 620HX will be fine.
 
I can't hear my Silencer, so I guess it's well-named, and I don't think you'd have a /much/ bigger load than what I do at the moment. 60-80 watts more, or there-about. I see around 360-370 at the wall under load. Add another core for the Quad and subtract a few watts for the Ultra instead of the GTX, and you're probably at 400-440 at the wall. Possibly more though, as I know Dan_D's machine (granted, with another GTX and watercooling) pulls over 600.
 
Well screw me..it looks like all the 8 pin PCIe cable does is give you two more grounds (i.e. less drop along the way).
 
I bought the PCP&C...even forked out the extra $10 for black. The whole single rail makes SO much more sense to me. I wouldn't be suprised if I took it apart they started using the same style polyphase converter as your motherboard uses for the PSU. Wonder if the [H] could give that PSU a whirl...
 
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