Get accelerated performance for better gaming and pro-level multitasking with graphics-intensive apps. Powered by 3D NAND technology, the SanDisk Ultra 3D SSD delivers enhanced endurance and reliability, blazing sequential read speeds of up to 560MB/s [550MB/s: 250GB only] and sequential write speeds of up to 530MB/S2 [525MB/s: 250GB only] for no-wait boot-up, shorter application load times, and quicker data transfers). in addition to cooler, quieter computing, the SanDisk Ultra 3D SSD includes proven shock- and vibration-resistance to protect your drive. From the company that invented the solid state technology that makes SSDs possible, The SanDisk Ultra 3D SSD catapults your performance to new levels. | (1)1 gigabyte (GB) = 1, 000, 000, 000 bytes. 1 terabyte (TB) = 1, 000, 000, 000, 000 bytes. Actual user storage Less. | (2)based on internal testing; performance may vary depending upon drive Capacity, host device, OS and application. 1 megabyte (MB) = 1, 000, 000 bytes. | (3)as compared to 7200 RPM SATA 2.5” hard drive. Based on published specifications and internal benchmarking tests using PCMark vantage scores. | (download and installation required. See official SanDisk website for more download Details.