The ThinkSystem RAID 940 family of PCIe 4.0 SAS RAID controllers are high-performance RAID-on-chip adapters for connectivity to drives internal to the server.
| Product Description | Lenovo ThinkSystem 940-8i - storage controller (RAID) - SATA / SAS 12Gb/s - PCIe 4.0 x8 |
| Device Type | Storage controller (RAID) - plug-in card - low profile |
| Bus Type | PCIe 4.0 x8 |
| Interface | SATA / SAS 12Gb/s |
| Data Transfer Rate | 12 Gbit/s |
| Buffer Size | 4 GB |
| Supported Devices | Hard drive, disk array (RAID), solid state drive |
| Channel Qty | 8 |
| Max Storage Devices Qty | 8 |
| RAID Level | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, JBOD, RAID 60 |
| System Requirements | Microsoft Windows Server 2016, Microsoft Windows Server 2019, VMware ESXi 6.7 update 3, Red Hat Enterprise Linux 7.6, SUSE Linux Enterprise Server 15 SP1, Red Hat Enterprise Linux 8.1, SUSE Linux Enterprise Server 12 SP5, VMware ESXi 7.0, SUSE Linux Enterprise Server 12 SP5 with Xen, SUSE Linux Enterprise Server 15 SP1 with Xen |
| Manufacturer Warranty | 1-year warranty |
| Designed For | ThinkSystem SR645 7D2X, 7D2Y; SR650 V2 7D15, 7Z73; SR665 7D2V, 7D2W; SR670 V2 7Z23; SR850 V2 7D32; SR860 V2 7Z60; ST650 V2 7Z74, 7Z75 |