in practice the fan is barely audible at low fan speeds, and not much louder at full tat, although with the case side off a smooth Whoosh can be heard, which may well be the noise of the air moving over the cooling fins more than the fan itself, either way it's nothing to worry about as with the case side on nothing can really be heard over the case fans themselves. According to Coolermasters own figures the 600-1600RPM PWM non LED fan is able to shift 24.9 and 66.3 CFM of air depending on fan speed and does this while emitting between 9 and 31 dBA. The inclusion by Coolermaster of a nice looking dark smoked grey fan does lift the appearance over the older 212+ which had a simple solid black fan and the inclusion of plastic fan retention clips rather than the wire spring clips popular with some manufacturers adds to the air of intergration of the fan mounting mechanism (Coolermaster also include a second set of clips and rubber isolating pads to mount a fan on the reverse side of the cooler should you so desire). Lets start with the looks, nothing special, but then neither are any coolers of this style. But have Coolermaster cut corners somewhere to bring it to market at this price point? In essence, is it "cheap" or is it inexpensive and good value? £23.98 is not a lot of money for a cooler of this type. So what do we make of the Coolermaster Hyper 212 EVO? Well I think the first thing to bear in mind here is the price. Regretfully although at idle the cooler was able to stay at a reasonable delta T of 22 degrees, after only 5 minutes of Prime load testing the indicated temperatures exceeded the 90 degrees limit above which a cooler is considered to fail the test. The second test follows all steps from above but with a 200x21 1.35v for 4.2GHz overclock, the extra voltage in this test allows us to see if the heat-sink can cope when extreme loads and overclocks are applied. Testing in an Igloo or the Sahara would give vastly different maximum temperatures, yet the Delta could be the same. Delta is the temperature difference above ambient which is a truer reflection of the heat-sink performance rather than mere maximum figures. An average of all cores is taken, then the ambient temperature is removed from this figure and this gives us the delta temperature. We allow the system to idle for 10 minutes and then run Prime95 'maximum heat maximum stress' setting for a further 30 minutes.Īfter 30 minutes we note the temperatures of all cores and the ambient temperature of the room. Is there anything else that can cause the fan to behave like this? I don't want to buy a new fan and have to same problem.To provide continuity the test set up is as alwaysįor the first test we set our i7-950 overclocked to 200x20 1.25v for a clock speed of 4.0GHz. But, I would like some other insights before I purchase a new fan. So, most likely the fan is starting to malfunction.
I can't explain it, but I can see what looks like it slowing down then speeding back up. Some observations I made was that whenever the fan made that buzzing noise there would be sort of a disturbance in it's spinning. The rubber pads where still attached so it was not vibrating against the heatsink and no wires were in it's way. Same noise, so I checked to see if anything was obstructing it. I took it out and cleaned it (did not have much dust to begin with because I clean it regularly), I inspected it for any cracks, hair etc. I shut down, and opened it up and powered it back on and I narrowed it down to my CPU fan. Last night, I left my room for a few minutes and when I returned I heard a loud buzzing sound from my system. So, I have had this cooler in my build for around 2 years now.
0 kommentar(er)
