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Good enough PSU?

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November 16, 2012 12:55:52 AM

Working on my first computer at the moment and have seemed to hit a wall on PSU. I have heard numbers from 650 - 1100 and at this point i'm so lost, and I have tried PSU estimate sites but would prefer a person who knows what they are talking about to give me an estimate. All of my parts don't have a supply requirement on them which is why I have decided to post and also in case anything is very wrong with my build maybe someone could point it out to me.

Case: NZXT Phantom PHAN-001BK Black Steel / Plastic Enthusiast ATX Full Tower Computer Case ( USING ALL 8 FANS )

Mobo: ASUS P8Z77-V PRO LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

GPU: MSI N680GTX Twin Frozr 4GD5/OC GeForce GTX 680 4GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready SLI Support Video Card

PSU: PC Power and Cooling Silencer Mk II 950W High Performance 80PLUS Silver SLI CrossFire ready Power Supply

CPU: Intel Core i7-3770 Ivy Bridge 3.4GHz (3.9GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000 BX80637I73770 ( I WILL NOT BE OVERCLOCKING )

SSD: SAMSUNG 830 Series MZ-7PC256B/WW 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

HDD: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

RAM: G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C9D-16GXM

Optical: ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner - Bulk - OEM x 2

OS: Microsoft Windows 7 Home Premium SP1 64-bit - OEM

Also, is it bad if I have too many watts, ie an 1100 if maybe i only need 950?





More about : good psu

a b ) Power supply
November 16, 2012 1:10:01 AM

That PSU is more than enough for your current parts list and even good enough to add a second card down the road.

The only downside to having more power than you need is that it normally means you spent more money on the PSU than you needed to spend.
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a c 122 ) Power supply
November 16, 2012 1:19:56 AM

Here is Guru3D's power supply recommendation:

GeForce GTX 680 - On your average system the card requires you to have a 550 Watt power supply unit.
GeForce GTX 680 SLI - On your average system the cards require you to have a 750 Watt power supply unit as minimum.

If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina. Source- http://www.guru3d.com/articles_pages/evga_geforce_gtx_6...
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a c 1167 ) Power supply
November 16, 2012 5:33:04 PM

Since the motherboard can only handle up to two NVIDIA graphics cards in 2-way SLI mode ...

For a system using two reference clocked GeForce GTX 680 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 750 Watt or greater power supply that has a combined +12 Volt continuous current rating of 53 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

The PC Power & Cooling Silencer Mk II 950W (PPCMK2S950), with its combined +12 Volt continuous current rating of 83 Amps and with six (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with two GeForce GTX 680 in 2-way SLI mode.

In fact a PC Power & Cooling Silencer Mk II 750W (PPCMK2S750), with its combined +12 Volt continuous current rating of 62 Amps and with two 6-pin and two (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration with two GeForce GTX 680 in 2-way SLI mode.
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November 24, 2012 10:55:14 PM

Best answer selected by Schlect.
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