PSU wattage

[cathordran]

Hey can someone please tell me what wattage i'd be looking at for these parts TY!! Any other advice is helpful!

Rosewill THOR V2 Gaming ATX Full Tower Computer Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811147053

Motherboard: GIGABYTE GA-Z77X-UD5H LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128545

CPU: Intel Core i5-3570 Ivy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 2500 BX80637i53570
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115233

GPU: SAPPHIRE Radeon HD 6850 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity (100315L )
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-Video%20Cards-_-Sapphire%20Tech-_-14102908&AID=10440897&PID=3962334&SID=

Memory:Kingston HyperX 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model KHX1600C9D3K2/8GX
http://www.newegg.com/Product/Product.aspx?Item=N82E16820104173

Harddrive: Intel 330 Series Maple Crest SSDSC2CT120A3K5 2.5" 120GB SATA III MLC Internal Solid State Drive (SSD)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820167121

DVD Burner: SAMSUNG Internal DVD Writer 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 Black SATA Model SH-222BB/RSBS
http://www.newegg.com/Product/Product.aspx?Item=N82E16827151255

Monitor: Acer S211HLbd 21.5'' 5ms LED-Backlight LCD Monitor Slim Design 250 cd/m2 12,000,000:1 (ACM)
http://www.newegg.com/Product/Product.aspx?Item=N82E16824009261

Keyboard: Microsoft SIDEWINDER X4 Keyboard
http://www.newegg.com/Product/Product.aspx?Item=N82E16823109191

 

[Pinhedd]

Something in the neighbourhood of 650 watts should be more than enough and would allow you to install another 6850 if you wanted (although I would recommend getting a 7850/7870)

PSU brand is far more important than the 3-4 marketing numbers they tack on at the end of it. For example, SeaSonic PSUs will generally put out almost the entirety of their rated capacity on the 12V rail, they don't even include the 5 volt or 3.3 volt rails in their marketing. Other manufacturers will actually add them all together. This means that a 650 watt SeaSonic PSU can be better than most 850 -1000 watt generic PSUs

 

[DeusAres]

Like pinhedd stated, something in the range of 650 watts. Make sure it's a trusted brand such as seasonic. Also, make sure it's 80+ certified. For crossfire, I'd recommend a 750w for breathing room.

Something like this...

CORSAIR Enthusiast Series TX750M
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139030&Tpk=corsair%20tx750m

And if you only care about quality rather than having features such as being modular, try this...

PC Power and Cooling Silencer Mk II 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027&Tpk=pc%20power%20and%20cooling%20750w

 

[Guest]

you can figure it out with this, add another 50-75W to what it recommends

http://images10.newegg.com/BizIntell/tool/psucalc/index.html?name=Power-Supply-Wattage-Calculator