Lenovo ThinkSystem SR250 Product Manual page 24

Intel
Feature RSTe
Connector type 1x SATA x4,
4x SATA x1
Number of connectors 5
Drive interface SATA
Drive type HDD, SSD
Hot-swap Yes
drive support
Number of drives 8
RAID levels 0/1/10/5
JBOD mode Yes
Cache None
Cache protection None
SED key management No
(SafeStore)
SSD I/O acceleration No
(FastPath)
SSD Caching No
(CacheCade Pro 2.0)
Consistency check Yes
Patrol read Yes
Online capacity Yes
expansion
Online RAID level Yes
migration
Global Hot Spare Yes
Auto-rebuild Yes
* 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.
Important:
The onboard Intel RSTe is not supported by virtualization hypervisors, including VMware vSphere (ESXi),
Linux KVM, Xen, and Microsoft Hyper-V.
The onboard Intel RSTe supports up to eight drives in a RAID-0 or RAID-5 array, two drives in a RAID-1
array, and four drives in a RAID-10 array. In a Windows Server-based environment, the onboard Intel
RSTe supports up to six drives in a RAID-0 or RAID-5 array.
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 SR250 Server
RAID RAID
530-8i 730-8i
SFF-8643 x4 SFF-8643 x4 SFF-8643 x4
2 2
SAS, SATA SAS, SATA
HDD, SSD, HDD, SSD
SED
Yes Yes
8 8
0/1/10/5/50 0/1/10/5/50
Yes Yes
None 1 GB
None None
Yes No
Yes No
No No
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
RAID RAID
930-8i 930-16i
SFF-8643 x4
2 4
SAS, SATA SAS, SATA
HDD, SSD, HDD, SSD,
SED SED
Yes Yes
8 16
0/1/10/5/ 0/1/10/5/
50/6/60 50/6/60
Yes Yes
2 GB 4 GB; 8 GB
Flash backup Flash backup
(Included) (Included)
Yes Yes
Yes Yes
No** No**
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
430-8i 430-16i
HBA HBA
SFF-8643 x4 SFF-8643 x4
2 4
SAS, SATA SAS, SATA
HDD, SSD, HDD, SSD,
SED* SED*
Yes Yes
8 16
None None
Yes Yes
None None
None None
No No
No No
No No
No No
No No
No No
No No
No No
No No
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