Samsung 870 EVO SATA III 2.5" Internal SSD - 4TB 4TB Storage Capacity 2.5" Form Factor SATA III 6 Gb/s Interface 1GB LPDDR4 Cache Up to 560 MB/s Sequential Read Speed Up to 530 MB/s Sequential Write Speed Samsung MKX Controller MLC V-NAND Technology MTBF Rating: 1.5 Million Hours Endurance up to 600TB Same-day to 2-day delivery 1-Year Global Cloud warranty