This HDD's selling point is that it can play 60 hours HD video as maximum. With the traditional tech, reliable, low power, low temperature and running quietly.
For its spec part, 7200RPM Rotational speed, 8Mb Buffer Size, 4.20ms average latency, load/unload cycles 50,000 minimum, 8.9 Read Seek Time, 3Gb/s(max) transfer rates(buffer to host),1.39 pounds.
80,160,250,320,500GB, 5 kind capacity as you like.