PSU advice

I'm fully upgrading my desktop computer next week, and it looks like I need a new power supply. (The one I have is 450W only and is completely unreliable).

Here is the list of components:

Mobo: Asus P8P67 PRO

CPU: Intel Core i7-2600

GPU: MSI N560GTX-Ti Twin Frozr II

RAM: Corsair 1333 MHz 8GB (2x4GB)

HDD: Western Digital (2x 500GB)

2 PCI cards (Creative Sound Blaster Audigy and D-Link 802.11 b/g/n WLAN)


What do you guys think? Will 550W be enough for that setup? Also, I'm planning to add a second GTX560 Ti in a year and upgrade to Sound Blaster X-Fi Titanium (with the front I/O drive), what PSU would I need then? And what brand should I go for, Antec or Huntkey? (These are the only two brands easily available in my area.)

Thanks in advance.
6 answers Last reply
More about advice
  1. Yeah 550W would be okay, 700W for SLI. More doesn't hurt.
  2. A 750W unit would be ideal.
    Antec TP NEW 750W is good.
  3. xfx 750 BE is 99$ after rebate, also this is just a rebadged seasonic 750, also has a 5 year warrenty. http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5611868&CatId=2533
  4. 750W sounds good to me. There are two options available to me: Antec TP-750 (http://www.antec.com/Believe_it/global/product.php?id=MTc2MA==) and Antec EA 750 (http://www.antec.com/Believe_it/global/product.php?id=NzI4). TP 750 is slightly more expensive; what is the difference between the two? (Antec website doesn't have EA 750 in the comparison list.)
  5. Do a calculator for your needs - the best bet is to get a high quality PSU a bit above what the calculator recomends.

    http://extreme.outervision.com/psucalculator.jsp
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