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
Online capacity expansion
Yes
No
No
Online RAID level migration
Yes
No
No
Global Hot Spare
Yes
No
No
Auto-rebuild
Yes
No
No
* HBAs do not support key management for SEDs; third-party host software is responsible for managing the keys.
** The SSD caching feature has been phased out in the new generation of advanced RAID controllers.
For more information, see the list of Product Guides in the following categories:
RAID adapters
http://lenovopress.com/servers/options/raid#rt=product-guide
Host bus adapters
http://lenovopress.com/servers/options/hba#rt=product-guide
Fibre Channel host bus adapters
Lenovo ThinkSystem SR590 Server
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