WD Caviar SE16 next-generation SATA hard drives feature a 16 MB cache for lightning-fast performance. Yes, these reliable drives are fast, but they still deliver technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems. A massive 16 MB cache makes these ultra-fast drives the perfect solution for the fully loaded PC with a fast processor. WD hard drives are designed to have the lowest power consumption of any high-capacity desktop-class hard drive which lowers the operating temperature for enhanced drive reliability. These highly reliable drives deliver technologically advanced acoustics. With its WhisperDrive and SoftSeek technologies, WD has minimized noise to levels virtually imperceptible to the human ear in home and business environments.