The Buffalo LS220D Link Station NAS Network Storage is a dual-drive unit designed for high-speed storage and data access. With a sleek black design and a compact 3.5-inch form factor, this unit is compatible with a range of devices including iPhones, laptops, PCs, memory vaults, iOS, Macs, and Android devices. Featuring USB 3.0 specification and a 7200 RPM rotation speed, the Buffalo LinkStation LS220D offers fast data transfer rates and reliable storage capabilities. Perfect for home or office use, this NAS device from Buffalo provides a convenient and efficient storage solution.