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How Much Power do I need to be covered?

Last response: in Components
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June 11, 2011 2:40:40 PM

I am almost to the point to start my new build, only thing left is to see if I'm gonna have enough power to run this baby without a glitch. The main knowledge I'm lacking is of Graphics cards, and that is the part that is leaving me uneasy about having enough power. I am going to list my important build specs that will pertain to this problem and I would appreciate if someone with the knowledge can tell me if my current power supply will do the job, even if I add more RAM and such.

*** Current PSU - Thermaltake W0319RU TR2 RX 850-Watt Modular Power Supply - 850W, 140mm Fan, ATX, Modular, 80 Plus Bronze - http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=6624658&CatId=2534 ***

OS - Windows 7 64-Bit

CPU - Intel Core i7-2600K Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) 4 x 256KB L2 Cache 8MB L3 Cache LGA 1155 95W Quad-Core Desktop Processor BX80623I72600K - http://www.newegg.com/Product/Product.aspx?Item=N82E16819115070

GPU - EVGA SuperClocked 012-P3-1572-AR GeForce GTX 570 (Fermi) 1280MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card - http://www.newegg.com/Product/Product.aspx?Item=N82E16814130595


RAM - G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL8D-8GBXM - http://www.newegg.com/Product/Product.aspx?Item=N82E16820231445

System HD: x4 Western Digital Caviar Black WD7502AAEX 750GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" - http://www.newegg.com/Product/Product.aspx?Item=N82E16822136794

Storage: x2 HITACHI Deskstar 7K3000 HDS723020BLA642 (0f12115) 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" - http://www.newegg.com/Product/Product.aspx?Item=N82E16822145473

x1 Seagate Barracuda LP ST32000542AS 2TB 5900 RPM 32MB Cache SATA 3.0Gb/s 3.5" - http://www.newegg.com/Product/Product.aspx?Item=N82E16822148413

MOTHERBOARD - GIGABYTE GA-P67A-UD5-B3 LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard - http://www.newegg.com/Product/Product.aspx?Item=N82E16813128479

RAID - Adaptec RAID 6805 2270100-R 6Gb/s SATA/SAS 8 internal ports w/ 512MB cache memory Controller Card, Single - http://www.newegg.com/Product/Product.aspx?Item=N82E16816103221

CASE - Antec LanBoy Air Blue - http://www.hardwaresecrets.com/article/Antec-LanBoy-Air-Case-Review/1099

FANS: Scythe DFS123812-3000 "ULTRA KAZE" 120 x 38 mm Case Fan (for CPU) - http://www.newegg.com/Product/Product.aspx?Item=N82E16835185054

COOLER MASTER R4-L2S-122B-GP 120mm 4 BLUE LED LED Case Fan - http://www.newegg.com/Product/Product.aspx?Item=N82E16835103022


Rest of the Specs of build (if interested): http://pastebin.com/vy6hC0JX

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June 11, 2011 6:03:47 PM

That is more than enough. A 600W is the minimum but don't settle there a good extra power wouldn't hurt just to be more safe. Your +12v rail PSU is 69amp which is more than enough for that GTX570 which only needs 38amp
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June 13, 2011 10:16:37 PM

venjhammet said:
That is more than enough. A 600W is the minimum but don't settle there a good extra power wouldn't hurt just to be more safe. Your +12v rail PSU is 69amp which is more than enough for that GTX570 which only needs 38amp


But that is only the GPU that needs that power, what about the 4 system hard drives, 2 storage, raid controller, etc. is that STILL enough power?
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a b ) Power supply
June 13, 2011 10:19:49 PM

That PSU is enough for your rig, but the Thermaltake TR2 series isn't the best PSU out there.
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June 13, 2011 10:32:34 PM

saint19 said:
That PSU is enough for your rig, but the Thermaltake TR2 series isn't the best PSU out there.


ok thanks, but whats wrong with this PSU? Should I get something else?
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a b ) Power supply
June 14, 2011 2:22:35 AM

It's not build with the best components, for a little more price you can get a better PSU from Corsair, Antec, XFX or Seasonic.
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a b ) Power supply
June 14, 2011 2:52:25 AM

As said before 600w should be enough, but if you go for 750w you will have peace of mind. If you plan to add some ram or a hard drive, 750w will be no problem, even a good 600 or 650w will be good. But if you want to add a second graphic card, you might need more (if you plan on going with 2 gtx 570's) But for 2 570's 850watts or 900watts should be enough. You should go with one of the brands listed by saint19, they are all good. Note that some, not all corsairs are built by seasonic, and are great power supplies.
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June 22, 2011 3:31:04 PM

Best answer selected by taintisgod.
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