40mm Hnidec Ultra Flow W40s12bub5-07 12V 0.53A 4028 4cm Cooling Fan for Server

40mm HNidec Ultra Flow W40S12BUB5-07 12V 0.53A 4028 4CM Cooling Fan For Server  No Modle number MX4028ABU1 ( the best replacement for nidec modle W40S12BMD5-01Z90 ) 1 Dimension 40 x 40 x 28 mm 2 Voltage 12v dc fan 3 Current 0.53 A   4   Speed   18000 RPM ± 10% 5 Max.air flow 26.5 CFM 6 Max.air pressure 475 Pa 7 Lead wire  2 wire    8   Connector / teminal  JST 2pin 2.54 mm (also could do 3wire, 4 wire) 9 Life expectancy 50000 hours ( at room temperature 25ºC) 10 Lead time MOQ:100PCS, need 12days after received full payment from customer MOQ:6000PCS, need 20days after received full payment from customer    11   Usage  Server, computer case, oven, fireplace, air conditioner, and etc.      /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1