This product is either discontinued or we cannot get that from suppliers.
Western Digital HUS726T4TALE6L4-0B36040 Ultrastar Hard Drive, Buffer 256 MB, Product Family Ultrastar 7K6, Drive Interface SATA, Drive Interface Standard SATA/600, Spindle Speed (rpm) 7200, Drive Type Internal, Form Factor 3.5", Device Supported Server, Storage Capacity 4 TB.
As the industry evolves to develop purpose-built solutions for growing data storage requirements, IT managers continue to rely on lower capacity drives that are economical to acquire.