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AJMRTC server passive CPU heatsink is dedicated replacement cooling component for Dell PowerEdge R430 1U rackmount servers, corresponding to OEM spare part numbers 02FKY9, 2FKY9 and SN02FKY9. The integrated copper base quickly absorbs CPU heat, and dense aluminum fin arrays expand heat dissipation area for efficient air convection inside server chassis. Springloaded screw mounting structure applies uniform pressure to keep close contact with processor surface. Each unit is inspected for flatness, fin integrity and dimensional accuracy before shipment. Professional server hardware installation experience is strongly recommended. Reapplying highquality thermal paste on CPU surface is required during assembly. Please verify your original part number and confirm your host is PowerEdge R430 1U version before purchase to avoid hardware mismatch.