Table 25. Specifications comparison
Feature
N2125
N2225
N2226
ServeRAID
M5120
ServeRAID M5225
Adapter type
SAS HBA
SAS HBA
SAS HBA
RAID adapter
RAID adapter
Part number
46C9010
00AE912
00AE916
81Y4478
00AE938
Form factor
Low profile
Low profile
Low profile
Low profile
Low profile
Controller chip
LSI SAS2308
LSI SAS3008
LSI SAS3008
LSI SAS2208
LSI SAS3108
Host interface
PCIe 3.0 x8
PCIe 3.0 x8
PCIe 3.0 x8
PCIe 3.0 x8
PCIe 3.0 x8
Port interface
6 Gbps SAS
12 Gbps SAS
12 Gbps SAS
6 Gbps SAS
12 Gbps SAS
Number of
external ports
8
8
16
8
8
External port
connectors
2x Mini-SAS
(SFF-8088)
2x Mini-SAS HD
(SFF-8644)
4x Mini-SAS HD
(SFF-8644)
2x Mini-SAS
(SFF-8088)
2x Mini-SAS HD (SFF-
8644)
Drive interface
SAS, SATA
SAS, SATA
SAS, SATA
SAS, SATA
SAS, SATA
Drive type
HDD, SSD
HDD, SSD
HDD, SSD
HDD, SED, SSD
HDD, SED, SSD
Maximum
number of
devices
1024
1024
1024
240
240
RAID levels
None
None
None
0/1/10; Optional
5/50 and 6/60
0/1/10/5/50; Optional
6/60 (47C8706)
JBOD mode
Yes
Yes
Yes
No
No
Cache
None
None
None
Optional; 512MB,
1GB or 2GB
2 GB (included)
CacheVault
cache protection
None
None
None
Flash (with cache
upgrades)
Flash (included)
FastPath
None
None
None
Optional
(90Y4273)
Optional (47C8710)
CacheCade Pro
2.0
None
None
None
Optional
(90Y4318)
Optional (47C8712)
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
N2225 & N2226:
http://lenovopress.com/tips1175
ServeRAID M5120:
http://lenovopress.com/tips0858
ServeRAID M5225:
http://lenovopress.com/tips1258
PCIe Flash Storage adapters
Lenovo System x3850 X6 (6241)
40