The WD Ultrastar DC HC555 is designed for high-capacity data center applications, offering an impressive storage capacity of 20 TB to meet demanding operational requirements. With a spindle speed of 7200 RPM and a data transfer rate of 1.2 GB/s, it ensures efficient data processing. This hard drive features advanced technologies such as Dynamic Fly Height technology and the Triple State Actuator (TSA) to optimize performance and reliability. With a noise level of just 32 dBA, it provides a quiet environment during data-intensive operations. Designed for continuous operation, the drive supports 24x7 usage and has a mean time between failures (MTBF) of 2,500,000 hours, making it a reliable choice for mission-critical applications. The environmentally friendly design of the WD Ultrastar DC HC555 allows for operation in a wide temperature range from 5°C to 60°C. The HelioSeal technology contributes to longevity and improved load/unload cycles, rated at 600,000. Compliance with numerous standards, including UL and TÜV, ensures that this drive meets safety and environmental regulations. With a cache size of 512 MB and a Serial Attached SCSI 3 interface, this internal hard drive is well-equipped to handle the demands of modern data environments.