PSU okay for system upgrade

My nephew wants to upgrade his graphics card from an HIS 5770 to a HIS 5870. This is on a 1156 pin P7P55D-E Pro board with an i7 860 CPU, 4GB ram and 2 HDD and 2 DVD.

No overclocking or crossfire graphics setup are planned in the future.

Current PSU is a corsair VX550, will it be OK with the new graphics card or should he go up to at least a corsair TX650? the corsair site says it should be OK and it meets the power output recommended on the HIS site.
3 answers Last reply
More about system upgrade
  1. The 550 will be fine.
  2. delluser is correct
  3. Thanks for the advice, he has ordered the new graphics card online and will be ready to go when it arrives
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