550W PSU enough for this system?

Is a 550W PSU [Corsair 550W VX Series PSU] enough for this system? I'm having trouble powering the GPU atm.


Asus M5A78L-M/USB3 AMD Socket AM3+ Motherboard
AMD Phenom II X4 955 Black Edition 3.2 GHz
Arctic Cooling Freezer 7 Pro CPU Cooler
Samsung 1TB Hard Drive SATAII 32MB
OCZ 120GB Agility 3 SSD - SATA-III
G-Skill 8GB (2x4GB) DDR3 1600Mhz RipjawsX

Radeon HD 6870 OEM - 1 GB GDDR5

Any help would be appreciated ;)
5 answers Last reply
More about 550w system
  1. should be enough. but how old is it?
  2. around 2 years old
  3. 550 should power that, and 2 yrs should still be within warranty.

    whats the 12a rail(s) value?
  4. that should be plenty of PSU.
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