External Backup Units - Lenovo IBM System x3620 M3 Product Manual

6 Gbps throughput per port
PCI Express 2.0 x8 host interface
Based on the LSI SAS2108 6 Gbps ROC controller
512 MB of onboard cache
Intelligent Li-Ion-based battery backup unit with up to 48 hours of data retention
Supports connectivity to the EXP3000, EXP2512, and EXP2524 storage expansion enclosures
For more information, see the ServeRAID M5025 SAS/SATA Controller for IBM System x Product Guide:
http://www.redbooks.ibm.com/abstracts/tips0739.html?Open
The external SAS cables listed in the following table are supported with external expansion enclosures
and M5025 RAID controllers.
Table 21. External SAS cables for external storage expansion enclosures
Part number
39R6531
39R6529
* Note: The EXP3000 series can be chained with each other. In such a case, one cable is used to connect
first EXP3000 to the RAID controller, and every consecutive EXP unit is connected to previous one by one
cable.

External backup units

The server supports the external backup attachment options listed in the following table.
Table 22. External backup options
Part number Description
External tape expansion enclosures for internal tape drives
87651UX 1U Tape Drive Enclosure
8767HHX Half High Tape Drive Enclosure
87651NX 1U Tape Drive Enclosure (with Nema 5-15P LineCord)
8767HNX Half High Tape Drive Enclosure (with Nema 5-15P LineCord)
Tape enclosure adapters (with cables)
44E8869 USB Enclosure Adapter Kit
40K2599 SAS Enclosure Adapter Kit
Internal backup drives supported by external tape enclosures
46C5364 IBM RDX Removable Hard Disk Storage System - Internal USB 160 GB Bundle
46C5387 IBM RDX Removable Hard Disk Storage System - Internal USB 320 GB Bundle
46C5388 IBM RDX Removable Hard Disk Storage System - Internal USB 500 GB Bundle
46C5399 IBM DDS Generation 5 USB Tape Drive
39M5636 IBM DDS Generation 6 USB Tape Drive
43W8478 IBM Half High LTO Gen 3 SAS Tape Drive
44E8895 IBM Half High LTO Gen 4 SAS Tape Drive
49Y9898 IBM Half High LTO Gen 5 Internal SAS Tape Drive
IBM System x3620 M3 (Withdrawn)
Description
IBM 3 m SAS Cable
IBM 1 m SAS Cable
Maximum quantity supported per enclosure*
1
1
27