BUFFALO TeraStation 3400 4-Bay 16 TB (4 x 4 TB) RAID NAS & iSCSI Unified Storage - TS3400D1604 Form Factor: 4-Bay Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB3.0 + 2 x USB2.0 HDD Interface: 4 x SATA (4 x Bay) Supported Protocols: TCP/IP Operating System: Client OS Support: Windows 8 (32-bit/64-bit), Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows 2000, Windows Server 2008, Windows Server 2003, Windows 2000 Server Processor: Dual-core 1.33 GHz ARM Default/ Max. Memory: 1GB