Lenovo 4Y37A93012 RAID controller PCI Express x8 12 Gbit/s

The ThinkSystem RAID 540/545 PCIe Gen4 12Gb Adapters are an entry-level 12 Gb SAS/SATA family of internal RAID adapters that offer a cost-effective RAID solution for small to medium business customers. These cacheless adapters support RAID levels 0, 1 and 10, and include an extensive list of RAS and management features.