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Need help choosing power supply

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May 25, 2012 10:03:51 PM

Hello! I am building my first PC, intended for gaming, and I am nearly complete. The only thing that I am still uncertain of is my power supply. I was thinking of going with a 750 watt corsair, but I do not know if I am over shooting the amount of wattage that I need. I will post the full build down here, and any help at all would be greatly appreciated! Mainly I would just like to know if this is a decent power supply, or if I should get something else.

Motherboard:ASUS P8Z77-V LK LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS
http://www.newegg.com/Product/Prod [...] 6813131837

Video Card:GIGABYTE GV-R785OC-2GD Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.newegg.com/Product/Prod [...] 6814125419

Processor:Intel Core i5-2500 Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 2000 BX80623I52500
http://www.newegg.com/Product/Prod [...] 6819115073

RAM:CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9R
http://www.newegg.com/Product/Prod [...] 6820233180

SSD:Corsair Force CSSD-F115GB2-BRKT-A 2.5" 115GB SATA II MLC Internal Solid State Drive (SSD)
http://www.newegg.com/Product/Prod [...] 6820233160

HDD:Western Digital Caviar Blue WD5000AAKS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
http://www.newegg.com/Product/Prod [...] 6822136073

Monitor:SAMSUNG B2430H Glossy Black 24" 5ms Full HD 1080P Widescreen LCD Monitor 300 cd/m2 DC 70000:1(1000:1)
http://www.newegg.com/Product/Prod [...] 6824001388

Optical Drive:SAMSUNG 22X DVD Burner 22X DVD+R 8X DVD+RW 8X DVD+R DL 22X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM SATA Model SH-222BB/BEBE - OEM
http://www.newegg.com/Product/Prod [...] 6827151244

Thanks in advance!

More about : choosing power supply

a b ) Power supply
May 25, 2012 10:39:47 PM

The LOP said:
Hello! I am building my first PC, intended for gaming, and I am nearly complete. The only thing that I am still uncertain of is my power supply. I was thinking of going with a 750 watt corsair, but I do not know if I am over shooting the amount of wattage that I need. I will post the full build down here, and any help at all would be greatly appreciated! Mainly I would just like to know if this is a decent power supply, or if I should get something else.

Motherboard:ASUS P8Z77-V LK LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS
http://www.newegg.com/Product/Prod [...] 6813131837

Video Card:GIGABYTE GV-R785OC-2GD Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.newegg.com/Product/Prod [...] 6814125419

Processor:Intel Core i5-2500 Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 2000 BX80623I52500
http://www.newegg.com/Product/Prod [...] 6819115073

RAM:CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9R
http://www.newegg.com/Product/Prod [...] 6820233180

SSD:Corsair Force CSSD-F115GB2-BRKT-A 2.5" 115GB SATA II MLC Internal Solid State Drive (SSD)
http://www.newegg.com/Product/Prod [...] 6820233160

HDD:Western Digital Caviar Blue WD5000AAKS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
http://www.newegg.com/Product/Prod [...] 6822136073

Monitor:SAMSUNG B2430H Glossy Black 24" 5ms Full HD 1080P Widescreen LCD Monitor 300 cd/m2 DC 70000:1(1000:1)
http://www.newegg.com/Product/Prod [...] 6824001388

Optical Drive:SAMSUNG 22X DVD Burner 22X DVD+R 8X DVD+RW 8X DVD+R DL 22X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM SATA Model SH-222BB/BEBE - OEM
http://www.newegg.com/Product/Prod [...] 6827151244

Thanks in advance!

i think 600-650watt would be enough for your system,but if you are planning to upgrade to a more power hungry graphics card in the near future,you could opt for a 750watt,this link is for a modular corsair quality psu in australia,you may need to search this product in your country..good luck




http://www.pccasegear.com/index.php?main_page=product_i...
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May 25, 2012 10:43:59 PM

Alright, so would 650 be enough even if I am planning on overshooting a little bit? About 75 watts or so over? Thanks for the reply!
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a b ) Power supply
May 25, 2012 10:53:42 PM

The LOP said:
Alright, so would 650 be enough even if I am planning on overshooting a little bit? About 75 watts or so over? Thanks for the reply!

yes i beleive that is correct,i have a similar system running a core I5 2500k, gtx 560ti with a 650watt antec true power supply,how much do you want to spend on a psu for your system?
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May 25, 2012 11:01:04 PM

However much is needed for a good one that will last me. Probably around 250 max?
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May 25, 2012 11:25:44 PM

The site that I will most likely use is newegg.
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Best solution

a b ) Power supply
May 25, 2012 11:41:00 PM

http://www.newegg.com/Product/ProductList.aspx?Submit=E...
Antec, Silversone, Corsair or Seasonic - even the Rosewill gets pretty good reviews.
-Bruce
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May 26, 2012 12:03:31 AM

Best answer selected by The LOP.
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