Original Dell K078D C955N CPU Heatsink Cooling Fan Assembly, For The Inspiron 530, 530s, Vostro 200, 200s, 220, 220s, 400, 410, Studio 540, and 540s COMPATIBLE WITH: INSPIRON 530, 530S, 540, 540S VOSTRO 200, 200S, 220, 220S, 400, 410 STUDIO 540, 540S