The Apple AirPort Extreme A1521 5th Generation Wireless AC Router is a white, 3.5-inch wireless router and network-attached storage device designed for use with Macs. It features a USB 2.0 specification, Blu-ray BD-R Dual Layer writable format, and a 7200 RPM rotation speed. With a storage capacity of 2TB and a cache size of 64 MB, this router offers fast and efficient data storage and access. It is equipped with a USB port for connectivity, is Time Machine compatible, and supports standalone operation for added convenience.
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