Choosing the Right PSU for a HD7850 crossfire Tags: Homebuilt Systems Product Last response: July 4, 2012 10:43 AM in Systems Share tbane July 4, 2012 10:07:55 AM This is my current setup -Western Digital Caviar Blue WD5000AAKX 500GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive -SAPPHIRE Radeon HD 7850 OC 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card Crossfire -G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 -Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core -ASRock Z77 Extreme4 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboarder -Coolermast V6 Cooler I need help in choosing the PSU for my set up. I will be crossfiring the HD 7850 OC in future, I hope a 650W would be enough or should I go 700W? I have the following options..... http://www.newegg.com/Product/Product.aspx?Item=N82E168... http://www.newegg.com/Product/Prod [...] 6817341051 http://www.newegg.com/Product/Prod [...] 6817371059 Can someone sugest me a good psu for my set up? Budget is around 50-80$ More about : choosing psu hd7850 crossfire FinneousPJ a b B Homebuilt system July 4, 2012 10:21:02 AM The Corsair is brilliant. bigcyco1 a b B Homebuilt system July 4, 2012 10:43:20 AM PSU:Corsair CMPSU-650TXV2 Enthusiast Series TX650 V2 Power Supply - 650 Watts, ATX, 140mm Fan, 80 Plus Bronze, SLI Ready, Active PFC $89.99 - $20.00 .69.99*After Rebate http://www.tigerdirect.com/applications/SearchTools/ite... Can't find your answer ? Ask ! Publish Related resources: ForumHD7850 crossfire PC freezes ForumWhich version of the hd7850 should i get? ForumFX-6300 + HD7850 || i5 3470 + HD7770- ForumAsus HD7850 Overclock ForumRadeon HD7850 CrossfireX help ForumHD7850 best budget card atm? ForumSLI or Crossfire or new HD7850 ForumHelp me choose the PSU ! Advise ForumA$1000-1200 Gaming rig, need advice on choosing parts Forum$150 crossfire MOBO with specific components (i5-2500k, HD7850 OC) ForumChoosing the right PSU ForumChoosing the right PSU ForumChoosing the right PSU ForumHelping me choosing the right PSU ForumLooking to Crossfire ForumNew to building ($1,000 budget) ForumHelp choosing video card, power supply & case for $1000 i5-3570k gamer ForumPSU help ForumIs my PSU dying, or is it something else? Forum[Solved] OEM Skimped on PSU? More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !