WD 8TB  My Cloud EX2100 Expert Series 2-Bay Network Attached Storage - NAS - WDBWAZ0080JBK-NESN Centralized storage with anytime, anywhere access Integrated 1.3 GHz Marvell ARMADA 385 dual-core processor and 1 GB DDR3 memory Twonky DLNA-certified media server and iTunes support RAID 0, 1, JBOD and spanning WD Smart Ware Pro integrated backup software for PC users and Apple Time Machine support for Mac users Multiple backup options: local, network and integrated cloud backup Tool less, tray less drive bay design USB 3.0 port on the back panel