Samsung 950 PRO Series - 256GB PCIe NVMe - M.2 Internal SSD (MZ-V5P256BW) Next Generation M.2 SSD Based on NVMe Protocol (PCIe, Gen. 3, x4), Ideal for Intensive Workloads, Maximum Performance & Endurance Ultra-fast Sequential Read/Write Performance: Up to 2,200MB/s and 900MB/s Respectively. Random Read/Write IOPS Performance : Up to 270K and 85K Respectively* Ultimate Performance, Reliability, & Efficient Power Management Powered by Samsung V-NAND Technology and a 5-Year Limited Warranty Included Contents: NVMe M.2 (2280) SSD & User Manual (All Other Cables, Screws, Brackets Not Included). Free download of Samsung Data Migration and Magician software available for easy installation and SSD management Windows 10/8.1 (32/64bit, Which Natively Support NVMe) Compatible* Check supporting operating system and hardware configurations to confirm compatibility