The Western Digital Purple 4TB SATA HDD 3.5" is a reliable internal desktop drive suitable for use in NAS, PC, and NVR systems. With a storage capacity of 4TB, this drive offers ample space for storing a large amount of data. It features a SATA III interface, a rotation speed of 5400 RPM, and is designed for high performance. The purple color indicates that it is specifically designed for use in surveillance systems, making it a great choice for businesses or home security setups. This product is a versatile and efficient storage solution for various devices You are purchasing a single drive only
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