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Table 19. External storage adapter specifications
Feature
Adapter type
Part number
Form factor
Controller chip
Host interface
Port interface
External ports
External port connectors
Drive interface
Drive type
Maximum number of devices
RAID levels
JBOD mode
Cache
CacheVault cache protection
FastPath
CacheCade Pro 2.0
Cache upgrade required: The ServeRAID M5120 SAS/SATA Controller ships standard without a cache.
One of the available cache upgrades (81Y4487, 81Y4559, or 47C8670) is required for the M5120 adapter
operations, and it must be purchased together with the controller.
For more information about the adapters, see these Lenovo Press Product Guides:
N2125:
http://lenovopress.com/tips1062
ServeRAID M5120:
ServeRAID M5225:
PCIe Flash Storage Adapters
Lenovo System x3750 M4 (8753)
N2125
ServeRAID M5120
SAS HBA
RAID adapter
46C9010
81Y4478
Low profile
Low profile
LSI SAS2308
LSI SAS2208
PCIe 3.0 x8
PCIe 3.0 x8
6 Gbps SAS
6 Gbps SAS
8
8
2x Mini-SAS
2x Mini-SAS
(SFF-8088)
(SFF-8088)
SAS, SATA
SAS, SATA
HDD, SSD
HDD, SED, SSD
1024
240
None
0/1/10;
Optional 5/50 & 6/60
Yes
No
None
Optional 512MB, 1GB or
2GB with flash backup
None
Flash (with cache upgrades)
None
Optional (90Y4273)
None
Optional (90Y4318)
http://lenovopress.com/tips0858
http://lenovopress.com/tips1258
ServeRAID M5225-2GB
RAID adapter
00AE938
Low profile
LSI SAS3108
PCIe 3.0 x8
12 Gbps SAS
8
2x Mini-SAS HD
(SFF-8644)
SAS, SATA
HDD, SED, SSD
240
0/1/10/5/50;
Optional 6/60
No
2 GB (included)
Flash (included)
Optional (47C8710)
Optional (47C8712)
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