The Western Digital WD Gold (WD122KRYZ) is a 3.5-inch internal hard drive designed for demanding data center and enterprise environments. With a capacity of 12 TB and a rotational speed of 7200 RPM, it handles heavy workloads efficiently, supported by a 512 MB cache and a SATA 6 Gb/s interface that allows for sustained transfer rates up to 267 MB/s. Reliability is central to its design, utilizing CMR recording technology and HelioSeal to protect the internal components. These features, combined with OptiNAND, help the drive maintain a workload rate of 550 TB per year and a mean time between failures of 2.5 million hours. Weighing 750 g and measuring 146.9 x 101.6 x 26.1 mm, it fits standard server bays and operates within a temperature range of 5°C to 60°C. This drive is a dependable choice for professionals managing large-scale storage on Windows, Windows Server, Linux, or macOS systems.