SanDisk 480GB Extreme PRO SSD, SATA 3.0 (6 Gb/s), S.M.A.R.T., 7mm.Based on internal testing; performance may vary depending on drive capacity, host device, OS and application. 1MB=1,000,000 bytes.The 480GB Extreme Pro Solid State Drive from SanDisk utilizes nCache Pro technology allowing the drive to withstand the harsh 24/7 operating environment found in many machines today. In addition to 24/7 operability, this drive can be overclocked to offer enhanced performance when needed. Add in the innovative TRIM support and Background Garbage Collection and this drive will continue to run efficiently as unallocated blocks are constantly freed up. This SanDisk SSD comes equipped with a SATA 3 interface offering up to 6 Gb/s data transfer rates, along with a sequential read speed of up to 550 MB/s and sequential write speed of up to 515 MB/s. These data speeds are accompanied by random read speeds of up to 100,000 IOPS and random write speeds of up to 90,000 IOPS.Pro-level read and write speeds. Reliable, consistent performance. Low latency. Engineered to optimize drive endurance. Huge storage capacities.SSD Dashboard reports drive status.10 year limited warranty. Engineered to optimize drive endurance. Cool, quiet, energy-efficient operation, with no moving parts. Lower power consumption. Increase laptop life by up to 33%.nCache Pro technology delivers sustainable high performance 24 x 7 x 365 performance. Over-provisioning and over-clocking offer faster performance and long term endurance. SanDisk SATA SSDs are built with the highest quality NAND memory. TRIM support and Background Garbage Collection constantly free up unallocated blocks that once held data to lower latency and boost performance. SanDisk SSD Dashboard includes S.M.A.R.T. support to monitor the health of your SSD in real time to prevent data loss.