Samsung SSD 860 EVO SATA III 2.5 inch 4 TB (MZ-76E4T0BW)- Capacity: 4,000 GB, Samsung 4 GB Low Power DDR4 SDRAM, Interface: SATA 6 Gb/s Interface, compatible with SATA 3 Gb/s&SATA 1.5 Gb/s interface, Form Factor: 2.5 Inch, Speed: Upto 550 MBs, Write Speed: 520MBs, Dimension (W x H x D)100 X 69.85 X 6.8 (mm), Weight: Max 62.0 g Weight