The Western Digital WD Gold WD261KRYZ is a high-capacity 3.5-inch hard drive designed for demanding data center and enterprise environments. With a massive 26 TB of storage, it utilizes Conventional Magnetic Recording (CMR) and a 7200 RPM rotational speed to maintain consistent performance, supported by a 512 MB cache and a maximum sustained data transfer rate of 291 MB/s. To ensure reliability under heavy use, this drive is built with HelioSeal 10th Gen technology and features a workload rating of up to 550 TB per year. It incorporates ArmorCache and OptiNAND to optimize data handling, while a mean time between failures of 2.5 million hours provides peace of mind for critical infrastructure. The unit weighs approximately 750 g and fits into standard server racks with its 147 mm by 101.6 mm dimensions. Connecting via a SATA 6 Gb/s interface, it is compatible with Windows, Windows Server, Linux, and macOS. This drive suits professionals managing vast amounts of data who need a stable, high-density storage solution capable of operating in temperatures ranging from 5°C to 60°C.