samsung ssd 256gb pm991 m.2 2242 42mm pcie 3.0 x4 nvme mzalq256hajd mz-alq2560 solid state drive

**Samsung SSD 256GB PM991 M.2 NVMe Drive**

This ultra-compact 42mm M.2 2242 form factor SSD delivers enterprise-grade performance in space-constrained devices. Featuring PCIe 3.0 x4 NVMe interface, it provides significantly faster boot times, file transfers, and application loading compared to traditional storage. The PM991 series utilizes Samsung’s advanced V-NAND technology for enhanced reliability and power efficiency, making it ideal for ultrabooks, tablets, and embedded systems. Its shortened 42mm length fits where standard M.2 drives cannot, while maintaining professional-grade durability and thermal management. Perfect for system upgrades requiring maximum performance in minimal space, this drive combines Samsung’s proven SSD expertise with specialized compact engineering for demanding mobile and industrial applications.