IBM Redboks System x3550 M4 User Manual

IBM System x3550 M4 33
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 21. 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 22. 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
The following table lists the drives supported by EXP2512 external expansion enclosures.
Table 23. Drive options for EXP2512 external expansion enclosures
Part number Description Maximum quantity supported
per one enclosure
3.5-inch NL SAS HS HDDs
49Y1903 1TB 7,200 rpm 6Gb SAS NL 3.5" HDD 12
49Y1902 2TB 7,200 rpm 6Gb SAS NL 3.5" HDD 12
90Y8720 3TB 7,200 rpm 6Gb SAS NL 3.5" HDD 12
3.5-inch SAS HS HDDs
49Y1899 300GB 15,000 rpm 6Gb SAS 3.5" HDD 12
49Y1900 450GB 15,000 rpm 6Gb SAS 3.5" HDD 12
49Y1901 600GB 15,000 rpm 6Gb SAS 3.5" HDD 12

IBM Redboks System x3550 M4 Specifications

General

Processor Sockets	2
Memory Slots	24 DIMM slots
Processor	Intel Xeon E5-2600 series
Memory	Up to 768GB DDR3
Storage	SSDs
Power Supply	Redundant 550W, 750W
Operating System Support	Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware