The WD Blue 2.5-Inch 3D NAND SATA SSD 500GB utilizes 3D NAND technology for capacities up to 4TB with enhanced reliability. Featuring sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s giving you the speed you want for your most demanding computing applications. Combined with the free downloadable WD SSD Dashboard software and a 5-year limited warranty you can confidently upgrade your system to the WD Blue 3D NAND SATA SSD. This product ships in approximately 1 days