Heatsink Material: Copper
& Aluminum Application: Processor
Bearing: Fluid
Bearing Package: Yes
Fan Life: 100000 hrs
Compatible CPU: CPU Fan
Speed Control: 2200±10%RPM
Power: 1.8W
Air Volume: 30CFM
Lines: 4
Lines Type: Fan
Power Interface: 4PIN
Model Number: E7440
E7420 E7450 Color: As picture shows
Type: Replacement
Warranty: 180
days is_customized: Yes
Condition: New
QC: Tested one by one
Suitable laptop: cooling fan for
DELL P/N: EG50050S1-C031-S9A