Finally I got it StarTech.com 40x20mm Replacement Dual Ball Bearing Computer Case Fan with LP4 - Fan4X2LP4 (Black)

StarTech FAN4X2LP4

This StarTech FAN4X2LP4 40x20mm PC computer cooling fan is a perfect addition or replacement PC StarTech FAN4X2LP4 fan for maintaining suitable operating StarTech FAN4X2LP4 temperatures within StarTech FAN4X2LP4 your computer case The PC fan can be powered through a simple LP4 connection to the PC power supply and offers a dual ball bearing design to ensure quiet, dependable operation. Cools your PC, increasing dependability and extending component lifetime Dual Ball Bearings in the cooling fan provides increased airflow, reliability and longer life ... »» Read more...

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