Lenovo System x3100 M5 Product Manual page 30

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 or 1 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
Cache upgrade required: The ServeRAID M5120 SAS/SATA Controller ships standard without a cache.
One of the available cache upgrades (81Y4484, 81Y4487, or 81Y4559) is required for the M5120 adapter
operations, and it must be purchased together with the controller.
For more information about the ServeRAID M5120, see the Lenovo Press Product Guide at
http://lenovopress.com/tips0858
The ServeRAID M5120 SAS/SATA Controller supports connectivity to the external expansion enclosures
that are 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 25. External expansion enclosures
Part number Description
70F0 / 70F1 Lenovo ThinkServer SA120
610012X EXP2512 Storage Enclosure
610024X EXP2524 Storage Enclosure
Lenovo ThinkServer SA120 support
For details about supported drives and cables for the Lenovo ThinkServer SA120, see the Lenovo Press
Product Guide:
http://lenovopress.com/tips1234
EXP2512 and EXP2524 support
The external SAS cables that are listed in the following table support connectivity between external
expansion enclosures and the ServeRAID M5120 SAS/SATA Controller.
Table 26. External SAS cables for external storage expansion enclosures
Part number Feature code
Cables for use with M5120 controller
00WC017 3708
00WC018 3707
Cables for use with M5225 controller
00Y2459
00Y2461
00Y2463
90Y7682
Lenovo System x3100 M5
Maximum quantity supported per one adapter
8
17
9
Description
1 m SAS Cable
3 m SAS Cable
0.6m SAS Cable (mSAS HD to mSAS)
1.5m SAS Cable (mSAS HD to mSAS)
3m SAS Cable (mSAS HD to mSAS)
6m SAS Cable (mSAS HD to mSAS)
Quantity supported
per one enclosure
1
1
1
1
1
1
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