Western Digital WD4000KD Internal Hard Drive Data Storage

WD Caviar SE16 drives are the performance leader, featuring a huge 16 MB cache and WD's next-generation technology.

These next-generation SATA hard drives feature a 16 MB cache for lightning-fast performance -- ideal for high-demand computing, multimedia and gaming systems. Not only fast, they also deliver technologically advanced acoustics and cool operation.

Key Features:

A massive 16 MB cache helps these drives perform noticeably faster than similar drives with an 8 MB cache. A bigger cache means faster performance.

Cool operating temperature means longer service life and greater reliability. These drives are designed for cool running, even in severe operating environments.

Whisper quiet -With its WhisperDrive™ and SoftSeek™ technologies, WD has minimized noise to levels barely perceptible to the human ear in home and business environments.

Ideal for

Designed for use in the fastest PCs on the market, including high-performance business computers, multimedia and gaming systems.

How this WD hard drive protects your data:

Data Lifeguard™ is an exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded error detection and repair. WD's Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.

Data Lifeguard Tools™ are software utilities designed for WD hard drives that work with the embedded Data Lifeguard features to make hard drive installation, diagnostics and repair both simple and worry-free. (Download Data Lifeguard Tools)

Shock Guard™ instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.