501-6917-02 - Sun Fan Connector Board Assembly for Fire X4100 501-6917-02 - Sun Fan Connector Board Assembly for Fire X4100 $89.52
501-6979 - Sun Service Processor Board for Fire X4100 / X4200 501-6979 - Sun Service Processor Board for Fire X4100 / X4200 $61.18
501-6919 - Sun 2 Slot SCSI Disk Backplane Board for Fire X4100 501-6919 - Sun 2 Slot SCSI Disk Backplane Board for Fire X4100 $80.50
501-7249 - Sun Single Slot PCI Express Riser Board for Fire X4100 M2 501-7249 - Sun Single Slot PCI Express Riser Board for Fire X4100 M2 $89.52