Samsung 850 EVO 4TB 2.5-Inch SATA III Internal SSD (MZ-75E4T0B/AM) Powered by Samsung V-NAND Technology; Optimized Performance for Everyday Computing. Interface: SATA 6Gb/s Interface, compatible with SATA 3Gb/s & SATA 1.5Gb/s interfaceGb/s. Incredible Sequential Read/Write Performance : Up to 540MB/s and 520MB/s Respectively, and Random Read/Write IOPS Performance : Up to 98K and 90K Respectively Endurance, Reliability, Energy Efficiency, and a 5-Year Limited Warranty Included Contents: 2.5" (7mm) SATA III (6GB/s) 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. Hardware Compatibility: Windows 8 (32-bit and 64-bit), Windows 7 (32-bit and 64-bit), Vista, XP, MAC OSX, Linux. Software Compability: Windows 8 (32-bit and 64-bit), Windows 7 (32-bit and 64-bit), Vista (SP1 and above), XP (SP2 and above), Windows Server 2008 (32-bit and 64-bit), Windows Server 2003 (32-bit and 64-bit with SP2 and above) Windows 10/8/7/Vista SP1 and above (32/64 bit), Windows Server 2008 (32/64 bit), Linux Compatible NOTE: Refer the Installation Manual before use which is highly essential.