SanDisk Extreme PRO 960GB SATA 6.0GB/s 2.5-Inch 7mm Height Solid State Drive (SSD) with 10-Year Warranty- SDSSDXPS-960G-G25 Innovative SanDisk nCachePro technology delivers sustainable high performance 24 x 7 x 365 Sequential Read Up To 550 MB/s; Write Up To 515 MB/s Up to 33% longer laptop life 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 Endurance: TBW