dar kelis idomius radau
https://www.ebay.co.uk/itm/Aerocool-15-Blade-12CM-120mm-LED-Red-Fan-Cooler-Case-PC-Computer-Cooling-3-4-Pin/273017522060?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649
irgi suka su ledais

Speed :
1500 RPM+-10%, 800 RPM+-10%
0.30A, 0.13A
Air Flow :
82.6 CFM, 32.5 CFM
Air Pressure :
1.273 mm-H2O, 0.305 mm-H2O
Noise :
26.5dBA, 12.6 dBA
MTBF :
100000 hours
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https://www.ebay.co.uk/itm/120mm-12cm-Black-12-Volt-0-30A-PSU-CASE-HDD-Fan-4-Pin-Power-Connector/272884977847?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649

labai jau keistas....5000RPM ---->24 dB(A) WTF? netikiu, tokiu nebuna

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https://www.ebay.co.uk/itm/Cooler-Master-JetFlo-120mm-Quiet-Blue-LED-PC-Computer-Case-Cooling-Fan/182773546468?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649

kiek decibelu prie 2000rmp? 37....biski jauciu jau garsoka...bet gitmieji 
panasiai jauciu kaukia, CFM neblogas - 95, tik va neprisimenu kaip elgias 
4pin kuleris primityviai pajungus tik voltus ir GND