Lenovo System x3650 M4 Product Manual page 39

The ServeRAID M5120 SAS/SATA Controller has the following specifications:
Eight external 6 Gbps SAS/SATA ports
Two external x4 mini-SAS connectors (SFF-8088)
Supports RAID levels 0, 1, and 10
Supports RAID levels 5 and 50 with optional M5100 Series RAID 5 upgrades
Supports RAID 6 and 60 with the optional M5100 Series RAID 6 Upgrade
Supports 512 MB battery-backed cache or 512 MB, 1 GB, or 2 GB flash-backed cache
6 Gbps throughput per port
PCIe x8 Gen 3 host interface
Based on the LSI SAS2208 6 Gbps ROC controller
Supports connectivity to the EXP2512 and EXP2524 storage expansion enclosures
For more information, see the following Lenovo Press Product Guides:
ServeRAID M5120 SAS/SATA Controller
http://lenovopress.com/tips0858
ServeRAID M5225-2GB SAS/SATA Controller
http://lenovopress.com/tips1258
The controllers support connectivity to the external expansion enclosures listed in the following table. Up
to nine expansion enclosures can be daisy-chained per one controller external port. For better
performance, distribute expansion enclosures evenly across both controller ports.
Table 26. External expansion enclosures
Part number Description
610012X EXP2512 Storage Enclosure
610024X EXP2524 Storage Enclosure
The external SAS cables listed in Table 27 support connectivity between external expansion enclosures
and an external RAID controller (M5120 or M5225-2GB).
Table 27. External SAS cables for external storage expansion enclosures
Part number Description
M5120: Server to Expansion enclosure connectivity (Mini-SAS x4 to Mini-SAS x4)
39R6529 1 m SAS Cable
39R6531 3 m SAS Cable
M5225-2GB: Server to Expansion enclosure connectivity (Mini-SAS HD x4 to Mini-SAS x4)
00MJ162 0.6m SAS Cable (mSAS HD to mSAS)
00MJ163 1.5m SAS Cable (mSAS HD to mSAS)
00MJ166 3m SAS Cable (mSAS HD to mSAS)
Expansion enclosure to Expansion enclosure connectivity (Mini-SAS x4 to Mini-SAS x4)
39R6529 1 m SAS Cable
39R6531 3 m SAS Cable
System x3650 M4 (E5-2600 v2)
Maximum quantity supported per
one RAID controller
17
9
Maximum quantity supported per
one enclosure
1
1
1
1
1
1
1
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