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FAQ: Recommended Power Supplies - Page 192

post #1911 of 6753
Quote:
Originally Posted by Belial View Post


I literally just posted the question. It only comes with 1 pci-e connector but it has ports for 2 so worst case scenario you pay $9 for another connector. Hopefully you can just ask OCZ/PCP&P for one for free though, I'm still trying to figure out if you can do that and if you need the original receipt to do so.

I'm also wondering if the white PSU of the mk3 would look okay in a black/blue (with blue led strip) case like mine, see sig rig for pics of what I'm talking about.

So quick question (really, time is pressing), PCP&P Silencer MKiii vs Antec Neo Eco 620w?

 

Watt for Watt, performance should be mostly identical. Antec uses Teapo caps in the NeoECO while PCP&C uses NCC caps in the Silencer MKIII.

So the MKIII should last longer, as it has better caps.

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post #1912 of 6753
and both of them look ugly in a black case like mine. Maybe less so for the silencer. i hate modular psus, even though i only have one sata drive and one molex fan controller, i gotta use a sata/molex cable with multiple connectors on it that clutters things, and then the modular ports are so far out whereas with a regular psu the main cables can snake right into the case. dont even see the point in semi-modular, the cables everyone would want to sleeve are the ones that aren't modular.

just tired of a psu that keeps blowing out.

think i may go for an xfx pro 450w, similar price and as i understand higher quality than the neo eco (so maybe equal to the pcp but isn't modular).
Edited by Belial - 3/15/13 at 1:04pm
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post #1913 of 6753
Quote:
Originally Posted by Belial View Post

[...]
think i may go for an xfx pro 450w, similar price and as i understand higher quality than the neo eco (so maybe equal to the pcp but isn't modular).
All three are Seasonic S12II variants, with the PCP&P being the modular version, the Neo Eco being an earlier version that's only 80 plus, and the Neo Eco having more mediocre capacitors while the others are running NCCs I think. Or at least, something better. So yes, the Neo Eco is the worst of the three but still decent.

If you're looking used, note that there are two versions of the XFX. The original had more cables, including two PCIe power connectors. The current version only has one.
post #1914 of 6753
^ Ah yes I know! But as I understand, the internals are exactly the same on both. Currently looking at a v1 so it keeps things easy.

There are just absolutely NO psu sales going on right now.
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post #1915 of 6753
edit
Edited by Belial - 3/15/13 at 9:55pm
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post #1916 of 6753
Wait I got a question - so I read that the newer XFX pro 450w v2 doesn't have OCP. I'm sure the silencer mk3 does though, right, so isn't the xfx pro 450w v2 a bad power supply?

I don't really know what ocp is, which of these psu's have ocp. Does a cx500 have ocp? I've had 2 of mine fail (seems like both of them just suddenly could only do like ~150-200w instead of 500w, if that makes sense, like i might pass prime95 but couldnt do it overclocked, or i could but i'd fail gpu tests, and then id definitely fail a gpu+cpu test), I think because of a faulty LED dying out.
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post #1917 of 6753
Are there any decent semi-modular PSU's out there at 850W for £130 or less?
Going crossfire soon and need to get a decent PSU.
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post #1918 of 6753
Quote:
Originally Posted by Sir Amik Vase View Post

Are there any decent semi-modular PSU's out there at 850W for £130 or less?
Going crossfire soon and need to get a decent PSU.
What cards?
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post #1919 of 6753
Quote:
Originally Posted by Belial View Post

Wait I got a question - so I read that the newer XFX pro 450w v2 doesn't have OCP. I'm sure the silencer mk3 does though, right, so isn't the xfx pro 450w v2 a bad power supply?

I don't really know what ocp is, which of these psu's have ocp. Does a cx500 have ocp? I've had 2 of mine fail (seems like both of them just suddenly could only do like ~150-200w instead of 500w, if that makes sense, like i might pass prime95 but couldnt do it overclocked, or i could but i'd fail gpu tests, and then id definitely fail a gpu+cpu test), I think because of a faulty LED dying out.

OCP is overcurrent protection, a safety feature, in addition to overpower protection and everything else. If there's too much current on a rail past a certain set point, the monitoring circuit should sense that and shut the power supply off. In some rare cases, like with faulty sensors or some other irregularity, I guess a power supply's protections could kick in unintentionally (in a consistent way); maybe you can think of it as a false alarm. I don't know of a single review of the XFX Core (Pro) 450W v2, so I don't know about that specific implementation.

Corsair CX500 has OCP. If a power supply doesn't have OCP, it might still have working OPP to turn the power supply off when being overloaded. OCP is more relevant for multi-rail large-capacity power supplies, where in theory you could trip the OCP on one of the +12V rails (while still well under full PSU load) with an accidental short or something like that.

So what was with the CX500s you've had? What do the voltages measure with a multimeter under load? The same overclock works with a different power supply, but the two CX500s just shut off? You've absolutely ruled out the overclock and not the power supplies? What does an LED have to do with anything?

Quote:
Originally Posted by Sir Amik Vase View Post

Are there any decent semi-modular PSU's out there at 850W for £130 or less?
Going crossfire soon and need to get a decent PSU.
As alluded to above, I'm kind of doubting you need 850W unless you have a particularly power-hungry CPU and plan to go ham on 7970s, but if 850W it is...

you can find an XFX XXX (the 80 plus silver version, used to be the black edition, the one that's Seasonic M12D) for a bit under £100:
http://www.scan.co.uk/products/850w-xfx-xxx-p1-850b-ukb9-88-eff-80-plus-silver-sli-crossfire-eps-12v-fan-atx-v22-psu

That's more than decent.
Edited by mikeaj - 3/16/13 at 11:21am
post #1920 of 6753
Quote:
Originally Posted by shilka View Post

What cards?

7970's, going to be keeping them @ 1100/1600
The reason I say I'm looking at 850W is simply for future-proofing.
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