Western Digital  DC SS540 Series -SS540 6.4T SAS

Uses the performance and durability of third-generation 96-layer 3D TLC NAND flash memory

Offers dual/single-port support, desired features, power options, multiple durable SKUs and mainstream capacity

Durability rating (Lifetime write) 36150 TBW/3 DWPD

Mean time between failures (MTBF) 2.5 Million Hours