Model Brand BUFFALO Model TS5400D1204 Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab Interfaces 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) Configuration Form Factor 4-Bay Operating System Setup Utility OS Support: Windows Operating Systems Client OS Support: 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, Mac OS X 10.4-10.7 Processor Intel Atom D2550 Dual Core processor, 1.86 GHz Default/ Max. Memory 2 GB DDR3 RAM Hard Drive Performance Included HDD Capacity 12TB (4 x 3TB) RAID RAID 0/1/5/6/10/JBOD (Individual Disks) Convenience Supported Protocols Protocol Support - Networking: TCP/IP - File Sharing: CI model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : NAS