The ThinkSystem RAID 530 Series internal RAID adapters have the following specifications:

PCIe 3.0 x8 host interface
12 Gbps SAS/SATA RAID controllers, based on the Broadcom MegaRAID 9440 adapter family
Cacheless (not upgradeable)
Connectivity for up to 4 or 8 or 16 internal SAS or SATA drives, depending on the adapter selected
Support for intermixing SAS and SATA HDDs and SSDs. Mixing SAS and SATA drives in the same array is not supported. Mixing of HDDs and SSDs in the same array is not supported.
Support for intermixing of 12 Gbps and 6 Gbps drives.
Support for RAID 0, 1, 10, 5, and 50 standard, with these exceptions:
The RAID 530-16i adapter only supports RAID 0, 1 and 10
The RAID 530-4i supports only RAID 0, 1 in the SN550 and RAID 0, 1, 10, 5 in the SN850 because those blade servers only support two and four drives respectively
Support for JBOD (non-RAID) drive state
Support for up to 64 virtual disks, up to 128 arrays, up to 16 virtual disks per array
Support for logical drive sizes greater than 2 TB.
Fixed 64 KB stripe size
Supports 512e, 512n and 4K sector formatted drives
Supports TRIM/UNMAP commands for SAS and SATA SSDs
Compliant with Disk Data Format (DDF) configuration on disk (CoD).
S.M.A.R.T. support.
Configuration through
XClarity Provisioning Manager UEFI interface
XClarity Controller web interface
XClarity Administrator Configuration Patterns
StorCLI command-line interface
LSI Storage Authority (LSA) GUI interface
UEFI Human Interface Infrastructure (HII)

Note: CacheCade is not supported by these adapters


Lenovo Press - https://lenovopress.com/lp0651-thinksystem-raid-530-series-internal-raid-adapters