This ThinkSystem 6.4TB P5600 NVMe PCIe 4.0 x4 Mixed Use/Mainstream 3.5" U.2 Hot Swap Solid State Drive is an advanced data center drive optimized for mixed read-write performance, endurance, and strong data protection for Lenovo servers. With a PCIe 4.0 x4 interface, it is designed for greater performance and endurance and supports a broader set of workloads.