Lenovo Thinkserver Raid 520i Adapter - Storage Controller (Raid) - 8 Channel - Sata / Sas 12gb/S Low Profile - 1.2 Gbps - Raid 0, 1, 10, Jbod - Pcie 3.0 X8 - For Thinkserver Rd350, Rd450, Rd550, Rd650, Rs160, Td350, Ts150, Ts460