Replacing EVGA nex750b fan with 120mm fan

c0mps_

Prominent
May 20, 2017
4
0
510
I recently purchased a NF-F12 fan to replace my very loud power supply fan. Is it possible to replace the fan in my evga nex750b powersupply which has a 135mm fan with a noctua nf-f12 120mm or should I return the noctua fan?
 

c0mps_

Prominent
May 20, 2017
4
0
510


What psu should I buy, how do I know how many watts I need?

These are my pc specs,
asus z97a mobo
i5 4670k overclocked
16gb ram
gtx 970 sli
1 hdd
2 ssds
2 monitors
kraken x62 cpu cooler