SAS adapters for external storage
The following table lists SAS RAID controllers and HBAs for external storage attachments that are
supported by the SR550 server.
Table 28. SAS RAID adapters and HBAs for external storage
Description
Part
number
Feature
code
Maximum
supported*
I/O slots
supported
12 Gbps SAS RAID adapters
ThinkSystem RAID 930-8e 4GB Flash PCIe 12Gb Adapter 7Y37A01087 AUNQ 4 / 4 1, 2, 3, 4, 5, 6
12 Gbps SAS HBAs
ThinkSystem 430-8e SAS/SATA 12Gb HBA 7Y37A01090 AUNR 5 / 6 1, 2, 3, 4, 5, 6
ThinkSystem 430-16e SAS/SATA 12Gb HBA 7Y37A01091 AUNN 5 / 6 1, 2, 3, 4, 5, 6
* The maximum quantity shown is with one processor / two processors.
Configuration notes:
Low profile SAS RAID controllers and HBAs for external storage are supported in the low profile
PCIe x8 slot 4 on the system board and full-high PCIe x8 and x16 slots supplied by the riser
cards 1 and 2.
The total quantity of the RAID 930-8i, 16i, and 8e controllers in the server must not exceed 4 (up to 4
supercapacitors can be mounted in the server).
The following table summarizes features of supported RAID controllers and HBAs for external storage.
Table 29. 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 SAS3508 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 480 2048 4096
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
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