WD 16TB  My Cloud EX4100 Expert Series 4-Bay Network Attached Storage - NAS - WDBWZE0160KBK-NESN Centralized storage with anytime, anywhere access Integrated 1.6 GHz Marvell ARMADA 388 dual-core processor and 2 GB DDR3 memory RAID 0, 1, 5, 10 or JBOD and spanning Twonky DLNA-certified media server and iTunes support.USB 3.0 port with direct copy x 1 front Dual Gigabit Ethernet ports for link aggregation and network redundancy Multiple backup options: local, network and integrated cloud backup WDs award-winning My Cloud mobile app for access with your tablet and smartphone