NZXT source 220, i5 4670K humming noise coming from computer

gnufied

Reputable
May 12, 2014
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4,520
Hello,

I recently build a new PC for myself which uses. NZXT 220, i5 4670K, Intel stock coolers and I notice that if I run the PC for many days continuously or if CPU is excessively taxed, there is a vibration noise coming from PC.

Oddly enough, if I keep my hand on the case and press it, the noise stops. To find the source of the noise, I removed front of the case and now the noise is gone.

It bothers me little bit. Everything has been running smoothly though. Even under load CPU temperature is - 56ºC max (Which I hear is not too bad for haswell). Idle temp of CPU is - 31ºC or so.

I have been trying to figure out, what could be making the noise, so far it sounds like:

a. Mounting screws on which motherboard is mounted?
b. I thought it could be CPU fan, but that does not seem so.
c. Some people on reddit mentioned because this cases uses all metal screws and contact points, A lose hard drive mount can cause rhythmic hum.

Has anyone seen this before on NZXT 220 series case?