The following table lists drive types and internal drive bay configurations that are supported by the internal
RAID controllers and HBAs.
Table 7. RAID controllers and HBAs, drive types, and internal drive bays
Drive controller Drive type 2x 3.5-in.
simple-swap
4x 2.5-in.
simple-swap
RAID 100 SAS/NL SAS HDD No support No support
NL SATA HDD Yes Yes
SATA SSD Not available* Yes
RAID 500 SAS/NL SAS HDD Yes Yes
NL SATA HDD Yes Yes
SATA SSD Not available* Yes
RAID 700 SAS/NL SAS HDD Yes Yes
NL SATA HDD Yes Yes
SATA SSD Not available* Yes
8885e HBA SAS/NL SAS HDD Yes Yes
NL SATA HDD Yes Yes
SATA SSD Not available* Yes
* There are no 3.5-inch SSDs available for the RS140.
The following table summarizes features of supported drive controllers.
Table 8. Drive controller features and specifications summary
Feature RAID 100 RAID 500 RAID 700 8885e***
Part number None 0A89464 0A89463 4XB0G88714
Form factor Onboard Low profile Low profile Low profile
Controller chip Not applicable LSI SAS2008 LSI SAS2108 PMC 8885e
Host interface Not applicable PCIe 2.0 x8 PCIe 2.0 x8 PCIe 3.0 x8
Port interface 6 Gbps SATA 6 Gbps SAS 6 Gbps SAS 12 Gbps SAS
Number of internal drive ports 5* 8 8 8
Internal port connectors 5x L-shape
SATA
2x Mini-SAS
(SFF-8087)
2x Mini-SAS
(SFF-8087)
2x Mini-SAS HD
(SFF-8643)
Drive interface SATA SAS, SATA SAS, SATA SAS, SATA
Drive type HDD, SSD HDD, SSD HDD, SSD HDD, SSD
Maximum number of drives 4 4** 4** 4**
RAID levels 0/1/10/5 0/1/10, Optional 5 0/1/10/5/50/6# None
JBOD mode Yes No No Yes
Cache None None 512 MB 1,024 MB
Cache protection None None Optional battery
backup
None
* Four internal ports are used for SATA HDDs or SSDs, and the remaining port is used for an optical drive.
** The adapter supports more than four drives, however, the maximum number of drives supported by the RS140 server is four.
*** In addition to eight internal ports listed in Table 8, the ThinkServer 8885e adapter has eight external ports for external storage
expansion connectivity (For details, refer to the External storage expansion section).
# The RAID level 50 requires minimum 6 drives; therefore, RAID 50 is not supported on the RS140.
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