Solid state drive - hot-swap, 3.84 TB, 3.5", PCI Express 3.0 x4 (NVMe), 5466 TB, 2000 MBps (read) / 1200 MBps (write), 1 x PCI Express 3.0 x4 (NVMe), 7.6 Watt (read) ¦ 7 Watt (write). The Lenovo 3.84TB ThinkSystem PM963 NVMe PCIe 3.0 3.5" 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.