BUFFALO TS3410DN1604 16TB (4 x 4TB) Network Storage Form Factor: 4-Bay Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB3.0 HDD Interface: 4 x SATA (4 x Bay) Supported Protocols: TCP / IP Operating System: Windows 10, Windows 8.1 (32-bit / 64-bit), Windows 7 (32-bit / 64-bit), Windows Server 2012, Windows Server 2008, Windows Server 2008R2, Mac OS X 10.9 or later Processor: Annapurna Labs Alpine Processor AL212 (1.4 GHz Dual-Core) Default/ Max. Memory: 1GB DDR3