Please be noted this SSD only support the laptops that come with PCIe SSD slot, Some older Lenovo ThinkPad P series like P51, P50, P52, P52s, P50s,P51s which only support 2242 M.2 SATA SSD. Dimension: 22mm x 42mm x 2.38mm / Key Type: M Key
Interface: NVMe PCIe Gen 4 x 4; Keep your SSD running at its peak with Full Power Mode, which drives continuous and consistent high performance, compatible with PCIe Gen3 x4
Size: Fits 2242 as is / Compatibility: Laptop & Desktop Compatible Sequential read/write up to (MB/s): 3100/2000; Random read/write up to (IOPS): 380K/330K
Form factor: M.2 2242 (22mm x 42mm); Whether you need a boost for gaming or a seamless workflow for heavy graphics, the PM991 is a smart choice for outstanding SSD performance.