The Western Digital 4TB 3.5" SATA HDD WD4000F9YZ is a high-performance internal desktop drive designed for CCTV and PC storage needs. With a rotation speed of 7200 RPM and a storage capacity of 4TB, this HDD offers fast data access and storage for your files. The unit is in the form factor of 3.5 inches and is compatible with various drive types supported by SATA III, SATA II, and SATA I interfaces. With a cache size of 64MB, this HDD is part of the Enterprise SE product line, ensuring reliable performance for your storage requirements.

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