Question about Power Supplies on my potential build.

I'm having trouble finding an affordable power supply that could support dual GTX 580s in SLI.
I've read over and over again how important this component is to be reliable, but I haven't seen any recommendations for affordable quality.

The unit I have selected for my build so far is LEPA B850-MA 850W ATX12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply

Is that one a quality PSU? The reviews I have read say it runs well, but none of them said anything about how it will last.
The rig is built for the main purpose of gaming.

The rest of my parts I have in my cart on newgg so far are:

CPU: Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor BX80623I52500K
Bundled with Optical Drive ASUS DRW-24B1ST/BLK/B/AS Black SATA 24X DVD Burner

GPU: EVGA SuperClocked 015-P3-1582-AR GeForce GTX 580 (Fermi) 1536MB 384-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card

HDD: SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

SSD: Corsair Nova Series 2 CSSD-V60GB2 2.5" 60GB SATA II Internal Solid State Drive (SSD)

MOBO: ASRock P67 EXTREME4 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

RAM: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9

COOLER MASTER HAF X RC-942-KKN1 Black Steel/ Plastic ATX Full Tower Computer Case

CORSAIR CWCH60 Hydro Series H60 High Performance Liquid CPU Cooler

ALTEC LANSING VS2620 5 Watts RMS 2.0 Value Computer Speakers

Total: $1497.88 after rebates
Planning on buying it within a couple weeks.

Got either the Samsung Syncmaster P2370HD or B2030 for moniters.
Going to buy Logitech keyboard and mouse set for $50 at Best Buy. Should have fast enough response for gaming, right?

So, would that power supply support this setup, or should I get a different one?
Should be a pretty strong machine, right? I'm pretty sure everything is compatible as well.
If anyone has any suggestions as to changes I can make it to make it better and more affordable, that'd be great.
3 answers Last reply
More about question power supplies potential build
  1. Get a Corsair TX-850 PSU.
  2. cut the RAM to 4 gig , games dont use more
    [ run your game in a window and open task manager if you dont believe me ]

    ditch the poor performing noisy water cooling . The 2500K only needs a mid range air cooler

    Buy at least a 1080P monitor , or a weaker gfx card

    buy a good quality power supply . DO NOT economize on this
  3. I prefer and use Silverstone PSU. It cost alittle more, but runs everything including my overclock extremely well.
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