psu problems

[rotty12]

ivybridge 3570k
gigabyte z77 board
corsair 2 x 4gb 1600
dvd rw
nvidea 550ti card
scout case
coolermaster hyper 612s psu cooler
i bought a powercool 650 w powersupply it lasted 8 months
i upgraded to the above 3 weeks ago and gone through 3 power supplys of the same brand any ideas would be welcome plz am i unlucky or could it be something else causing it have been advised to not go for powercool psu s

 

[rotty12]

do u think its the psu then or something else i have about 60 to spend whats the best you think i can get ive been told coolermaster ocz or corsair

 

[rotty12]

yes got a surge protector the original psu lasted 8 months and since my board and chip ugrade ive gone throught 3 in 4 weeks any sugestions on good psu

 

[rotty12]

thanx a lot will look into these