Will this psu be enough? - Techist - Tech Forum

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Old 01-10-2011, 01:06 PM   #1 (permalink)
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Default Will this psu be enough?

Iam building a new pc, with I7 950 cpu, evga x58 ftw3 mobo, 3x2gb 1600 ddr3 corsair dominator ram, amd 5570hd gpu, noctua nh-d14 cpu cooler, cooler master 922 haf case, wd cavair black hdd 1tb. Question is I have a new antec 550 watt atx12v v2.3 basiq plus, 80 plus certified psu that I want to use until I can get a corsair 850 watt later. So is 550 watts enough for the moment? Thanks for any replies. I did do the antec power calculator and it stated that I would need about 400 watts but thought I would ask for second opinion.

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Old 01-10-2011, 01:07 PM   #2 (permalink)
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Default Re: Will this psu be enough?

It should work but it's gonna be tight.

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Old 01-10-2011, 01:12 PM   #3 (permalink)
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Default Re: Will this psu be enough?

thanks for your reply, another question is do I risk damaging anything by doing that or will I just get a error come up if theres not enough wattage to run.
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Old 01-10-2011, 01:21 PM   #4 (permalink)
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Default Re: Will this psu be enough?

Yha you'll error out.

I had my old q6600 oc'd with 260s sli and it only drew 520 watts full out on both cards and cpu.

I haven't tested my 950 yet.
Foldie = i7 950@ 4.0Ghz Gigabyte x58a-ud3r EVGA 970 SC Corsair H100 Corsair hx520 3x2gb OCZ Gold Corsair 650D
Woohoo = L5639 @3.1Ghz EVGA SR-2 gtx 260-216 Hyper 212+ Corsair 1050hx 6x2gb Corsair XMS3 Blackhawk Ulra
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Old 01-10-2011, 02:26 PM   #5 (permalink)
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Default Re: Will this psu be enough?

How accurate is newegg's psu calculator? Newegg.com - Recommended Power Supply Calculator.

It said you'd only need 391 watts for that setup..
Asus P5Q Motherboard * OC'ed Intel Core2 Quad Q9400 2.82ghz w/ Arctic Silver 5 * OCZ Platinum 4GB (2 x 2GB) DDR2 1066ghz * Kingston Hyper X (2x2gb) DDR2 1066ghz * EVGA GTX 560 Ti Superclocked * Ultra X-Blaster ATX Mid-Tower * OCZ Vertex 2 120gb * WD Caviar Blue 500GB 7200 rpm * OCZ ModXStream Pro 700W Modular PSU * Sony Optaric DVD Burner * Windows 7 Home Premium 64-bit * 22" LG Flatron W2252TQ LCD * LG Flatron E2281

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Old 01-10-2011, 02:55 PM   #6 (permalink)
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Default Re: Will this psu be enough?

550W should be plenty. Antec's PSU's are solid and do not vary output, and I know the 12V rails will be plenty. Especially since you are only tunning a single 5570 as the GPU is where most of the power draw is.


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