Internal Drive Options - Lenovo ThinkSystem ST550 Product Manual

Table 20. Comparison of internal storage controllers - HBAs and NVMe Switch Adapter
Feature
Adapter type
Part number
Form factor
Controller chip
Broadcom equivalent
Host interface
Port interface
Number of ports
Port connectors
Drive interface
Drive type
Hot-swap drives
Max devices
RAID levels
JBOD mode
Cache
CacheVault cache
protection
Performance Accelerator
(FastPath)
SSD Caching
(CacheCade Pro 2.0)
SED support
** SED support of the SAS HBAs is by using software on the server (SED commands are passed through
the HBA to the drives).

Internal drive options

The following tables list the hard disk drive and solid-state drive options for the internal disk storage of the
server.
Table 21: 2.5-inch hot-swap 12 Gb SAS HDDs
Table 22: 2.5-inch hot-swap 6 Gb SAS/SATA HDDs
Table 23: 2.5-inch hot-swap 12 Gb SAS SSDs
Table 24: 2.5-inch hot-swap 6 Gb SAS/SATA SSDs
Table 25: 2.5-inch U.2 NVMe SSDs
Table 26: 3.5-inch hot-swap 12 Gb SAS HDDs
Table 27: 3.5-inch hot-swap 6 Gb SAS/SATA HDDs
Table 28: 3.5-inch hot-swap 6 Gb SAS/SATA SSDs
Table 29: 3.5-inch simple-swap 6 Gb SAS/SATA HDDs
Lenovo ThinkSystem ST550 Server
Intel RSTe 430-8i
Software HBA
RAID
None 7Y37A01088
Onboard PCIe low profile
Intel PCH LSI SAS3408
(RSTe)
Not HBA 9400-8i
applicable
Not PCIe 3.0 x8
applicable
6 Gb SATA 12 Gb SAS
Varies 8
Onboard 2x Mini-SAS HD x4
(SFF-8643)
SATA SAS, SATA
HDD, SSD HDD, SSD, SED**
No Yes
Varies 8
0, 1, 10, 5 No RAID
Yes Yes
None No
No No
No No
No No
No Yes**
430-16i 1610-4P NVMe
HBA NVMe switch
7Y37A01089 7Y37A01081
PCIe low profile PCIe HHHL
LSI SAS3416 Broadcom PEX9733
HBA 9400-16i P310W-4P
PCIe 3.0 x8 PCIe 3.0 x8
12 Gb SAS PCIe
16 4
4x Mini-SAS HD x4 4x Mini-SAS HD x4
(SFF-8643) (SFF-8643)
SAS, SATA PCIe NVMe
HDD, SSD, SED** SSD
Yes No
16 4
No RAID No RAID
Yes Yes
No None
No No
No No
No No
Yes** No
34