The ThinkSystem RAID 9350 Series internal RAID adapters have the following specifications:

• PCIe 3.0 x8 host interface

• Two (8i adapter) or four (16i adapter) connectors to the drive backplanes

• Two adapter form factors:

• o Low-profile PCIe adapter with broad server compatibility

• o Custom form-factor, designed to not consume a standard PCIe slot

• 12 Gbps SAS/SATA RAID controllers, based on the Adaptec SmartRAID 3152-8i and SmartRAID 3154-16i

• 2GB (8i) or 4GB (16i) of integrated flash-backed cache

• Connectivity for up to 8 (8i) or 16 (16i) internal SAS or SATA drives

• 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.

• Standard support for RAID 0, 1, 10, 5, 50, 6, 60, RAID 1 Triple, and RAID 10 Triple

• Support for JBOD (non-RAID, called “raw” or “HBA mode” in Adaptec parlance) 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.

• Configurable stripe size from 16 KB up to 1 MB

• Supports 512e, 512n and 4K sector formatted drives

• RAID ADM through triple mirroring, move array, and split mirroring

• Quick initialization

• Online capacity expansion

• Copyback hot spare

• Dynamic caching algorithm

• Native command queuing (NCQ)

• Background initialization

• Hot-plug drive support

• RAID level migration

• Hot spares—global, dedicated, and pooled

• Automatic/manual rebuild of hot spares

• S.M.A.R.T. support

• Dynamic sector repair

• Staggered drive spin-up

• Bootable array support

• Smart PQI driver with multiple queue and MSI-X support for all device drivers for all supported operating systems

• Secure boot support

• https://lenovopress.lenovo.com/lp1437-thinksystem-raid-9350-16i-9350-8i-advanced-raid-adapters#features