The WD PR4100 My Cloud NAS 4-Bay Storage Solution by Western Digital is a reliable and high-performance external drive designed for use with both PC and Mac computers. Includes 1 10TB WD100EFAX NAS DRIVE. 
Power adapter and Ethernet cable.
With its compact 3.5-inch form factor and black color, this NAS storage solution is compatible with HDD drive types and offers USB 3.0 connectivity for fast data transfer. The unit features four bays for storage and supports Ethernet interface for easy network connectivity. Perfect for individuals or businesses looking for a versatile and efficient storage solution.