Synology Disk Station 5-Bay (Diskless) Network Attached Storage DS509+ (Black) Disk Station Manager 2.1: AJAX-Based Management Interface, Remote File Management with a Web Browser Max HDD Support (Internal HDD): 5x 2TB High Speed: 39+ MB/Sec RAID 5 Write and 55+ MB/Sec RAID 5 Read Networking Protocols: CIFS, AFP (3.1), FTP, NFS, Telnet/SSH Standard Memory 1GB DDR2 SDRAM