This 480GB 5100 SATA 6Gb/s Enterprise Mainstream 2.5" Internal Solid State Drive with 3.5" Tray for the TS150 utilizes innovative triple-level cell (TLC) 3D NAND technology making it suitable for mixed read/write workloads with an endurance of between 0.5 and 2.5 drive writes per day (DWPD) for 5 years.