Specification :
XIMETA NDU10-250 250 GB NetDisk Portable External NDAS is the world's first external Hard Disk Drive ( HDD ) compatible with both Ethernet and USB 2.0, which connects directly to any network using XiMeta's exclusive NDAS ( Network Direct Attached Storage ) technology. More convenient, faster and cheaper than any other network storage or NAS solution, NetDisk offers a wider range of uses than your garden variety external HDD. This versatility makes it the network storage solution for large businesses, educational institutions & libraries, as well as SOHO and home users. Rotational speed - 7200 RPM Buffer - 2MB Average seek time - 8.9ms LEDs - 2 (Power and Link/ACT).