WD Blue3D NAND SATA SSD 250GB The WD Blue 3D NAND SATA SSD utilizes 3D NAND technology for capacities up to 2TB1 with enhanced reliability. Featuring an active power draw up to 25% lower2 than previous generations of WD Blue SSDs, you?re able to work longer before recharging your laptop, while sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s give the speed you want for your most demanding computing applications.3 Combined with the free, downloadable WD SSD Dashboard software and a 3-year limited warranty, you can confidently upgrade your system to the WD Blue 3D NAND SATA SSD. MASTER PACK