Product guide

IBM System x3650 M4 37
The ServeRAID M5120 SAS/SATA Controller supports connectivity to the IBM System Storage external
expansion enclosures listed in the following table. Up to nine expansion enclosures can be daisy-chained
per one M5120 external port. For better performance, distribute expansion enclosures evenly across both
M5120 ports.
Table 24. IBM System Storage external expansion enclosures
Part number Description Maximum quantity
supported per one M5120
174712X IBM System Storage EXP2512 Express 18
174724X IBM System Storage EXP2524 Express 9
The external SAS cables listed in the following table support connectivity between external expansion
enclosures and the ServeRAID M5120 SAS/SATA Controller.
Table 25. External SAS cables for external storage expansion enclosures
Part number Description Maximum quantity
supported per one enclosure
39R6531 IBM 3 m SAS Cable 1
39R6529 IBM 1 m SAS Cable 1