I-O Data UHDL-300U 300GB USB 2.0/Ethernet Network Hard Disk I-O Data UHDL-300U 300GB USB 2.0 x2 Network Hard Disk General Features: Reduced-Heat Aluminum case Reduced-Noise Fanless design 300GB storage space Optimum throughput: 94.5 mbps Two (2) USB 2.0 ports RJ-45 LAN interface (MDI/MDI-X Switch) Network: 100BASE-TX/10-BASE-T (IEEE 802.3, IEEE802.3u) File Server: Windows/Macintosh/FTP File Service, AVeL LinkServer Print Server: SMB over TCP/IP Windows Protocol Only, USB x1 Printer only