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This brand new SUNON original CPU cooling fan is professional OEM-grade replacement cooling spare part exclusively designed for Dell 2021 Inspiron 14 and 15 series 2-in-1 touchscreen laptops, matching fan model EG50050S1-CH90-S9A, internal serial 023.100NB.0001 and official Dell spare part KRK6P / 0KRK6P. It covers full compatible models: Inspiron 14 5410,5415,5418,7400,7415 2-in-1, Inspiron 15 5510,5515,5518.
Equipped with standard 4-wire PWM DC5V cable, the fan perfectly cooperates with Dell native thermal management system to dynamically adjust rotation speed under light web browsing, document editing or heavy video rendering loads. Slim compact curved turbine blades fit the narrow internal space of flip convertible ultrabooks, rapidly evacuate heat accumulated by high-performance 11th Gen processors inside the thin chassis.
It thoroughly fixes common fan malfunctions such as loud grinding buzzing noise, persistent high-temperature pop-up alerts, system lag, frame drops and unexpected auto shutdown caused by aging bearings or dust-clogged original cooling fans. Integrated anti-vibration cushion structure greatly reduces running vibration noise during long-hour video conferences, graphic design and media production tasks.
Every cooling fan undergoes strict airflow, voltage and durability cycle inspection before shipment. The fan metal housing outline, precise mounting screw positions and cable length are 100% consistent with factory original fan. No wire cutting or bracket trimming required for easy self-repair or professional IT maintenance. It is a cost-effective dedicated cooling spare part to restore stable sustained heat dissipation performance for Dell 2021 Inspiron lightweight flip creative laptops.