The Western Digital WD Gold (WD203KRYZ) is an enterprise-class 3.5-inch SATA hard drive designed for high-demand environments like data centers, servers, and professional workstations. With a massive 20 TB capacity, it provides ample space for data-heavy tasks such as professional video editing and high-resolution photography. The drive operates at 7200 RPM and utilizes a 512 MB cache to achieve sustained transfer rates of up to 291 MB/s, ensuring that large files move efficiently during intensive workflows. Reliability is central to its design, featuring CMR recording technology and a workload rating of 550 TB per year. To maintain stability over time, it incorporates HelioSeal technology and OptiNAND, contributing to a mean time between failures of 2.5 million hours. The hardware is built to handle a wide range of operating temperatures from 5°C to 60°C, making it a dependable choice for RAID configurations and edge computing where consistent uptime is essential. It weighs approximately 750 g and is compatible with Windows, Windows Server, Linux, and macOS.