Used and working, removed from NAS and upgraded for larger drives. The Western Digital Red 4TB NAS Hard Drive (WD40EFRX) is a reliable and high-capacity internal desktop drive, ideal for use in NAS systems. With a storage capacity of 4TB and a transfer rate of 1200 Mbps, this SATA III hard drive offers ample space for storing large amounts of data. The 3.5-inch form factor and 5400 RPM rotation speed make it suitable for NAS environments, while the 64MB cache ensures efficient data processing. Made by Western Digital, a trusted brand in the industry, this hard drive is a dependable choice for businesses and individuals looking to expand their storage capabilities.
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