http://xfxforce.com/en-us/Products/PSU/Pro-Series/550W-PSU.aspx#ProductTab_3..this is the link for the psu pls tell whether its best for msi twinfrozr ii /oc gtx 560ti
Thermal and Power Specs:
Maximum GPU Temperature (in C) 99 C
Maximum Graphics Card Power (W) 170 W
Minimum System Power Requirement (W) 500 W
Supplementary Power Connectors Two 6-pin