Compare Western Digital Caviar® SE16 WD2500KS 250 GB SATA II Hard Drive to Western Digital WD10TPVT 1 TB SATA II Hard Drive

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. Less

The 1TB WD Scorpio SATA Hard Drive delivers superior performance with lower power requirements than other, slower, notebook drives. This lower power consumption yields increased reliability. WD's exclusive WhisperDrive technology make the Scorpio quiet, despite its high spin speed. This drive also features ShockGuard technology, protecting the drive mechanics and platter surfaces from shocks, and DuraStep Ramp, which locks the heads in a secure position away from the disk to provide another layer of protection when the drive is not in use. Utilizing the most technologically advanced material available, the WD Scorpio can perform a minimum of 600,000 load/unload cycles without contamination - up to twice the performance of its competitors. And the Scorpio's rigid stainless steel top cover withstands more than 5 pounds of pressure - nearly 1.5 times the industry average - without pinching vital internal components. Less