Sequential Read/Write performance reaching up to 560/530 MB/s provides best in class performance via the SATA interface. Accelerated read performance up to 13% faster than 860 QVO for added benefits for everyday computing. 870 QVO provides adequate amount of TBW for daily use, equivalent to 3 bit MLC SSDs and offers up to 1,440 TBW guaranteed endurance. Expanded capacity up to 4TB for client SSD in 2.5” 7mm form factor. Up To Three Year Limited Warranty. Warrantied TBW : 360 TBW for 1TB model, 720 TBW for 2TB model and 1,440 TBW for 4TB model. Limited warranty up to 3 years or up to the TBW for each capacity, whichever comes first. For more information on warranty, please find the enclosed warranty statement in the package.