https://lenovopress.lenovo.com/lp1438-thinksystem-raid-5350-8i-adapter Feature RAID 5350-8i Form factor PCIe low profile Controller chip Adaptec PM8222 SmartIOC 2100 Adaptec equivalent Adaptec SmartHBA 2100-8i Host interface PCIe 3.0 x8 Port interface 12 Gb SAS Number of ports 8 Port connectors 2x Mini-SAS HD x4 (SFF-8643) Drive interface SAS, SATA Drive type HDD, SSD Hot-swap drives Yes Max devices 8 RAID levels 0, 1, 10, 5 JBOD mode (HBA mode / Raw) Yes Cache None SED support No