IBM 10 Gb LOM interposer card For BladeCenter HS23 All models except: A3X, A4X OPTION PN: 94Y8550 Feature Code A244 81Y9388-06 81Y9388 $4.20
IBM Backplane, 2.5 inch small form factor harddrive 1 bay for Flex system x440 compute node 88Y6246-02 88Y6246 $13.99