PCIe 3.0 x8 host interface 12 Gbps SAS/SATA RAID controllers, based on the Broadcom MegaRAID 9460 adapter family 2GB, 4GB or 8GB of integrated flash-backed cache Connectivity for up to 2, 8, 16 or 24 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 24 Gb/s, 12 Gb/s, and 6 Gb/s drives; 24 Gb/s drives operate at 12 Gb/s Support for RAID 0, 1, 10, 5, 50, 6 and 60 standard (The 930-4i supports only RAID 0, 1 in the SN550 and RAID 0, 1, 5, 6 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 logical drives Support for logical drive sizes greater than 2 TB. Configurable stripe size from 64 KB up to 1 MB Supports 512e, 512n and 4K sector formatted drives Supports UNMAP command for SAS SSDs (JBOD and RAID volumes) Supports TRIM command for SATA SSDs (JBOD) Compliant with Disk Data Format (DDF) configuration on disk (CoD) View specifications on Lenovo Press
