The WDS400T1R0A is a high-capacity 4TB SSD by Western Digital, designed for 2.5-inch SATA-3 (SATA III) interfaces, delivering a fast, reliable storage solution ideal for desktops, laptops, and workstations. With a SATA-600 (6 Gbps) data transfer rate, it ensures quick boot times, smooth multitasking, and rapid file access. Perfect for users needing extensive storage and excellent performance, this SSD is also backward-compatible with SATA II, making it versatile for various upgrade setups.