So it would be completely safe to just switch out the PSU and then use it like normal? If so which PSU should I get? Prefer something with red light and at 650-800W, not too expensive around 700DKK which is 80£~
I got gtx 660 ti, i7 2700K, 1tb seagate hdd, 8gb corsair vengeance, asrock p67 (i think)