Newegg has the CORSAIR Builder Series CX430 V2 (CMPSU-430CXV2) 430W ATX12V v2.3 80 PLUS Certified Active PFC Power Supply for $45 - $8 off with coupon code EMCNHHB34 [Exp 3/5] - $20 rebate [Exp 3/5] = $17 with free shipping.
- OCZ OCZ700MXSP ModXStream Pro 700W Power Supply for $50 shipped w/ EMCNHHB35 & $30 rebate [Exp 2/29]
- Silencer Mk II PPCMK2S750 750W Power Supply for $80 shipped w/ PCP228 & $20 rebate [Exp 2/29]
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If you like power supplies that make an annoying high pitched whine that's unlivable, by all means waste your money. V1 was superior to V2, when they cheapened the internals. Read up and make a better decision or be dumb and buy a POS.
Went looking for the information you speak of searching "CORSAIR CX430 V1 vs V2 whine".
[QUOTE=techie81;2291433]I have the V1 and the only problem with it is it makes a buzzing sound when the computer is turned off. other than that its solid.[/QUOTE]
http://www.techpowerup.com/forums/showthread.php?t=145848
Then poster GKH; "I've used both a V1 and V2 CX430, and they had significant (to me) coil whine. I'm typically pretty sensitive to things like that, though - when I've expressed irritation in the past people have acted like I'm hearing voices or something."
http://arstechnica.com/civis/viewtopic.php?f=7&t=1147450
I'm sure there are varying degrees and versions of this/such issues, based on the huge number being sold, so sure there are complaints. Heck my OCZ 550W modular buzz's at that last second of shut-down, but would R&R for the few times I shut it down, now that I think about I don't think it does it on a restart.
As to buying another PSU (for more) for chancing yours will whine IdK. I use to (back in the early days) always plug my new PSU in and jump the start terminals before I plugged it up to a system. I might recommend that as soon as it shows, like before the rebate is sent. But Corsair is fairly "no-nonsense" about the problem... send it back (yes you pay) and they have no issue replacing it.
It might not be a problem at this point, given the returns, QC and volume of production I venture to say such a problem has been isolated and corrected, but it just takes 5% in a bridge, cap, or other component to come in and cause an issue. That said properly loaded and test to isolate that at/after production should be included to try and weed those out, which I'd hope Corsair had and/or improved on.
The one I'm using in another box works fine.
Mine don't whine. Over 200 reviews it gets 4/5 eggs, pretty good score for a PSU that costs under $20 after rebate and has active PFC & 80+ efficiency. Reviewers like them too, yet I've not seen any review claiming any whining.