:DeltaModel : FFB0824VHEDimensions : 80X80X38MM [ 8038 ]Voltage : 24VCurrent : 0.36ASpeed : 4500 RPMAir flow : 56.02 CFMPressure : 0.492 IN H2ONoise : 45 d-BABearing : Dual ball bearingLead : 3-wireMaintaining optimal continuous operating time of 180,000 hoursFeatures : Maintenance- double ball bearing , long service life , with plenty of cooling air volume and pressure .Application: chassis cooling , CPU cooler, the transmation of the power supply fan , water cooling auxiliary , gaming heat, high reliability server application places.