Lenovo ThinkSystem SR650 - Page 37

The following table summarizes features of supported SAS/SATA storage controllers.
Table 20. Storage controller features and specifications (LP = Low profile, FHHL = Full-height half-length)
Feature
RAID
530-8i
RAID
730-8i
RAID
930-8i
RAID
930-16i
RAID
930-24i
430-8i
HBA
430-16i
HBA
Form factor PCIe LP PCIe LP PCIe LP PCIe LP PCIe FHHL PCIe LP PCIe LP
SAS controller chip SAS3408 SAS3108 SAS3508 SAS3516 SAS3508 SAS3408 SAS3416
SAS expander chip None None None None SAS35X36R None None
Host interface PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8
Port interface 12 Gb SAS 12 Gb SAS 12 Gb SAS 12 Gb SAS 12 Gb SAS 12 Gb SAS 12 Gb SAS
Number of ports 8 8 8 16 24 8 16
Connector type SFF-8643 x4 SFF-8643 x4 SFF-8643 x4 SFF-8643 x4 SFF-8643 x4 SFF-8643 x4 SFF-8643 x4
Number of connectors 2 2 2 4 6 2 4
Drive interface SAS, SATA SAS, SATA SAS, SATA SAS, SATA SAS, SATA SAS, SATA SAS, SATA
Drive type HDD, SSD,
SED
HDD, SSD HDD, SSD,
SED
HDD, SSD,
SED
HDD, SSD,
SED
HDD, SSD,
SED*
HDD, SSD,
SED*
Hot-swap
drive support
Yes Yes Yes Yes Yes Yes Yes
Number of drives 8 8 8 16 24 8 16
RAID levels 0/1/10/5/50 0/1/10/5/50 0/1/10/5/
50/6/60
0/1/10/5/
50/6/60
0/1/10/5/
50/6/60
None None
JBOD mode Yes Yes Yes Yes Yes Yes Yes
Cache None 1 GB 2 GB 4 GB; 8 GB 4 GB None None
Cache protection None None Flash backup
(Included)
Flash backup
(Included)
Flash backup
(Included)
None None
SED key management
(SafeStore)
Yes No Yes Yes Yes No No
SSD I/O acceleration
(FastPath)
Yes No Yes Yes Yes No No
SSD Caching
(CacheCade Pro 2.0)
No No No** No** No** No No
Consistency check Yes Yes Yes Yes Yes No No
Patrol read Yes Yes Yes Yes Yes No No
Online capacity
expansion
Yes Yes Yes Yes Yes No No
Online RAID level
migration
Yes Yes Yes Yes Yes No No
Global Hot Spare Yes Yes Yes Yes Yes No No
Auto-rebuild Yes Yes Yes Yes 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
Lenovo ThinkSystem SR650 Server 37