WD Red SA500 NAS SATA SSD 2.5”/7mm Cased 4TB WDS400T1R0A Features: Endurance of up to 2500TBW Ideal for caching in NAS systems to rapidly access your most frequently used files Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more Specifications: Capacity 4TB Form Factor 2.5-Inch Sequential Read Performance 560MB/s Sequential Write Performance 530MB/s Random Read 95K IOPS Random Write 82K IOPS Interface SATA Warranty 5-Year Limited Warranty Endurance (TBW) 2500 Dimensions (L x W x H) 100.2mm x 69.85mm x 7mm Weight 57.9gms Model Number WDS400T1R0A Operating Temperature 0°C to 70°C Non-Operating Temperature -55°C to 85°C Certifications FCC, UL, TUV, KC, RCM, BSMI, VCCI, Morocco, CE, UKCA , CB-Scheme