+12V1 23A
+12V2 25A
max. combined 500W
You have dual rails for a total of 48 AMPS on the 12V, the card only needs 25 Amps,
Yes you can handle it to answer your question simply.
BUTTT I
HIGHLY recommend getting a new psu, one with got amps on the 12v rails, preferably one that is on the
Teir list, that way you know your house wont burndown in the middle of killing dragons. PSU's lke that are very dangerous, could surge, spark, smoke, melt, catch fire, and damage internal PC components.
Your card only needs 25 amps, it has a total power draw of 60W