SAS adapters for external storage
The following table lists SAS RAID controllers and HBAs for external storage attachments that are supported
by the SR250 server.
Table 30. SAS RAID adapters and HBAs for external storage
Description
Part
number
Feature
code
Maximum
quantity
I/O slots
supported
12 Gbps SAS RAID adapters
ThinkSystem RAID 930-8e 4GB Flash PCIe 12Gb Adapter
7Y37A01087 AUNQ
1
1, 2
12 Gbps SAS HBAs
ThinkSystem 430-8e SAS/SATA 12Gb HBA
7Y37A01090 AUNR
1
1, 2
ThinkSystem 430-16e SAS/SATA 12Gb HBA
7Y37A01091 AUNN
1
1, 2
Configuration notes:
Low profile SAS RAID controllers and HBAs for external storage are supported in the low profile and
full-high PCIe slots supplied by the x8 or x16 riser card.
The total quantity of the RAID 930-8i, 16i, and 8e controllers in the server must not exceed 1 (up to 1
supercapacitor can be mounted in the server).
The following table summarizes features of supported RAID controllers and HBAs for external storage.
Table 31. Features and specifications of the RAID controllers and HBAs for external storage
Feature
RAID 930-8e
430-8e HBA
430-16e HBA
Form factor
PCIe LP
PCIe LP
PCIe LP
SAS controller chip
SAS3516
SAS3408
SAS3416
Host interface
PCIe 3.0 x8
PCIe 3.0 x8
PCIe 3.0 x8
Port interface
12 Gb SAS
12 Gb SAS
12 Gb SAS
Number of ports
8
8
16
Connector type
SFF-8644 x4
SFF-8644 x4
SFF-8644 x4
Number of connectors
2
2
4
Drive interface
SAS, SATA
SAS, SATA
SAS, SATA
Drive type
HDD, SSD, SED
HDD, SSD, SED*
HDD, SSD, SED*
Hot-swap drive support
Yes
Yes
Yes
Number of devices
240
1024
1024
RAID levels
0/1/10/5/50/6/60
None
None
JBOD mode
Yes
Yes
Yes
Cache
4 GB
None
None
Cache protection
Flash backup (Included)
None
None
SED key management (SafeStore)
Yes
No
No
SSD I/O acceleration (FastPath)
Yes
No
No
SSD Caching (CacheCade Pro 2.0)
No**
No
No
Consistency check
Yes
No
No
Patrol read
Yes
No
No
Online capacity expansion
Yes
No
No
Online RAID level migration
Yes
No
No
Lenovo ThinkSystem SR250 Server
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