The Western Digital WD4TB WD40EFAX is a 3.5-inch SATA NAS HDD hard drive with a storage capacity of 4TB. It is part of the Western Digital Red series, known for its reliability and high performance in NAS environments. With a cache size of 64MB, this hard drive is designed to handle multiple simultaneous requests efficiently, making it ideal for use in home or small office networks. Its red colour indicates that it is specifically designed for NAS systems, offering a balance of speed, capacity, and durability for seamless data storage and retrieval.
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