Western Digital Red WDS400T2R0A internal solid state drive 2.5" 4

4 TB 2.5" Serial ATA III. Read speed: 560 MB/s 87 IOPS. Write speed: 520 MB/s 83 IOPS. 3D NAND. Component for: NAS. Features. Certification. FCC, UL, TUV, KC, RCM, BSMI, VCCI, Morocco, CE, UKCA , CB-Scheme. TBW rating. 2500. Random write (4KB). 83 IOPS. Random read (4KB). 87 IOPS. Write speed. 520 MB/s. Read speed. 560 MB/s. Component for. NAS. Memory type. 3D NAND. NVMe. No. Interface. Serial ATA III. SSD form factor. 2.5". SSD capacity. 4 TB. Weight & dimensions. Weight. 34.6 g. Operational conditions. Storage temperature (T-T). -55 - 85 °C. Operating temperature (T-T). 0 - 70 °C. General. Product family. Red