The ThinkSystem RAID 940-8e 4GB Flash PCIe Gen4 12Gb Adapter is a high-performance 12 Gbps SAS RAID-on-chip (ROC) PCIe 4.0 adapter for connectivity to external disk enclosures. The adapter comes standard with 4 GB of cache, supports RAID levels 0, 1, 10, 5, 50, 6 and 60, and includes an extensive list of RAS and management features.
- PCIe 4.0 x8 host interface, also compatible with a PCIe 3.0 host interface
- 12 Gbps SAS/SATA RAID controllers, based on the Broadcom MegaRAID 9580-8e adapter
- 4GB of integrated flash-backed cache
- Connectivity for up to 240 external 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.
- Support for RAID 0, 1, 10, 5, 50, 6 and 60 standard
- Support for up to 64 virtual disks, up to 128 arrays, up to 16 virtual disks per array
- Support for JBOD (non-RAID) drive state
- Support for logical drive sizes greater than 2 TB.
