Solid state drive - hot-swap, 1.92 TB, PCI Express 3.0 x4 (NVMe), 2000 MBps (read) / 1200 MBps (write), 7.2 Watt (read) ¦ 6.4 Watt (write). The Lenovo 1.92TB ThinkSystem PM963 NVMe PCIe 3.0 2.5" Entry Hot Swap Solid State Drive is a general-purpose, high-performance drive engineered for greater performance and endurance in a cost-effective design to support a broader set of workloads.