Samsung PM991 is a compact, cost-effective M.2 NVMe solid-state drive built primarily for OEM laptops and everyday computing tasks.
Interface: PCIe Gen3 x4, NVMe 1.3
Form Factor: M.2 (available in 2230, 2242, and 2280 sizes)
Storage Capacitie 512GB
Read Speed: Up to 2,300 MB/s
Write Speed: Up to 1,350 MB/s