Watercooling pump noise?

[megatron]

I want to know what the quietest watercooling pump is. Im cooling one gpu only with an 80mm rad with a 120mm fan via an adapter.

1. What is quietest pump?
2. Opinion of aquaxtreme (noise, performance, height including barb)
3. Opinion of eheim 1250 (noise, performance, height including barb)
4. Also pump vibration (and consequent noise)?

 

[megatron]

I have an eheim 1250 and when reading about the aquaxtreme 50z-dc12 I nearly fell of my seat when people were describing the 1250 as silent.

Im not just being uptight about a little bit of noise. In the past I have put up with more noise than I ought to from my pc. I know this since I dont need a doctor to tell me I have the equivalent of tendonitis in my ear.

I dont blame it on my eheim 1250 it was probably in the largest part due to a my first case I bought the "tornado" a standard case modded with extra 80mm fans by none other than overclockers.co.uk.

It was quite honestly not fit for purpose in its standard guise, but I ran the fans at 5v; but over time my ear has become very sensitive to background noise. This results in a high pitched tone, much like u get after u've listened to some REALLY loud music for too long from a public loudspeaker. The only time it really disappears is when I get away from my PC, but any loud noise can set it off.



I generally use headphones now when near my PC, since even then background hum of my monitor gets my ear going.


So I have my pc in a "cupboard" which is actually a closet off my room, in a P180, so I can leave it running p2p.


I planned to mount my eheim 1250 on some purpose made rubber grommets I bolted to the inside of my case but the pump vibration made this absolutely counter to the reason I bought a new case, the P180.


Currently its suspended via string from my case which is the next best thing to physically holding it. Only problem with that is I cant shut my case side. Ive run the pump for a couple of years on neoprene and recently plumped up a pillow and the vibrations are turned into noise even resting on that, so Im a bit weary of "space age" material fixing it.

Thats why I was asking about different pumps.


If what Ive heard from a few people is true, that the eheim 1250 is silent then I must have an out of balance drive shaft.

The only option of closing the case panel if I run a pump with similar dimentions to the 1250 (11cm tall including barb) is to buy a 90' barb to join pump output to gpu wb input.

 

[megatron]

as i mentioned elsewhere mate, the 1250 is near as damnit silent... theyre pond pumps / aquarium pumps .... and how often does a fishtank / pond sound like a hoover

id take it to bits and re-assemble it... otherwise, a laing DDC seems the best option for yourself... quietest performance pump available... or if you just want quiet, id get an eheim 1048

Ive had it apart many times. TBH aquarium pumps maybe silent when submerged in a tank of water, but add vibration to noise generated by the pump when suspended in mid air and its anything but silent.

So the aquaxtreme is not the answer to my problems? I have heard its rather large which isnt that good either. I would like an adjustable pump, like the liang D5, and running off 12v is a bonus (means no more case modding).

Really wanted an opinion of the aquaxtreme but was a bit cautious about how I phrased the question due to some people's idea of silence (which my eheim 1250 is not, although take away the vibration problems and its good enough, forgeting the mounting issue too).