These reliable drives are lightning fast, but they still deliver technologically advanced acoustics and cool operation. The one-two performance punch of 300 MB/s transfer rate, state-of-the-art performance for SATA drives, and 16 MB cache make the WD Caviar SE16 family the fastest desktop-class hard drives available. These SATA II drives feature a transfer rate three times faster than EIDE and twice as fast as SATA 1. Cool operation means the highest reliability even in high-heat environments such as personal video recorders. That's why these drives, the coolest on the market, are the drive of choice for the world's leading consumer electronics manufacturers as well as the world's leading PC makers.