New AVC DB04028B12U Fan 40*40*28mm DC 12V 0.66A 5CNGP Model: DB04028B12U Type: Fan Power: DC 12V 0.66A 4-wire Dimensions:40 × 40 × 28mm Model : DB04028B12U Fan speed :10000 ± RPMProbably really violent arguments Bearing Type :Dual Ball Life:10 .0000 hours ( at 25 °, 45 ~ 85% relative humidity ) Speed :Stand by Electric current0.66A Rated voltage:12V Origin:Taiwan Interface:Standard 4 -pin motherboard connector Radiator noise 54dB Fan speed 10000RPM The maximum air volume 21.88CFM Bearing Type Dual ball bearing Fan life 70,000 hours