Power Supply - Dual 5850

Hi Everyone,

I'm currently putting together a future proof PC and I'm only going to purchase 1x5850 ATI card for 299$ and I'll get a 2nd once the price lowers (and/or once the games demand it). I was wondering if anyone could recommend a good power supply.


ASUS M4A79XTD EVO AM3 AMD 790X ATX AMD Motherboard (dual x8 link)
AMD Phenom II X4 965 Black Edition Deneb 3.4GHz
4gig G-Skill compatible ram (QVL)
Eventually Dual ATI cards (2 x Sapphire 5850)
1x250gig SATA drive
1xDVD
1x200mm fan
5x120mm casing fans
Note: I'm not interested in overclocking at the moment.

I'm looking at ordering this:
- Antec TruePower New TP-650 650W Continuous Power ATX12V V2.3 / EPS12V V2.91 SLI Certified CrossFire Ready 80 PLUS BRONZE Certified
- http://www.antec.com/Believe_it/product.php?id=MTc1OQ==


If the online watt calculator is accurate then it shows that I only require 425 watts. Is there anything better than Antec that I should be looking at both quality and price-wise?

Thanks in advance.
4 answers Last reply
More about power supply dual 5850
  1. min 600w according to specs for 5850 crossfire, Id go with either corsair, pc power and cooling or seasonic. tho antec is good in my book to.
  2. How do you guys work the connections with a 600W PSU? They tend to have only 1 or sometimes 2 6-pin PCI-E connections and he will need four for two 4850's right. Use 4-pin to 6-pin adapters??
  3. the brands we mentioned have up to four 6pin / four 6+2pin / 2 6pin and 2 8pin

    just go to newegg.com and check the specs of each power supply to see how many and what combination of 6/8pins you need.
  4. The AMD system requirements for dual 5850 cards is 600w and 4 6-pin pci-e power connectors:
    http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-5000/hd-5850/Pages/ati-radeon-hd-5850-system-requirements.aspx

    The TP-650 will be fine.

    As others have mentioned, similar psu's from Corsair, Seasonic, and PC P&C will also be good.

    Do not compromise on psu quality.
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