Average Latency: 4.2ms Average Seek Time: 8.9ms Average Write Time: 10.9ms Cache: 16MB Features: 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. Form Factor: 3.5" Manufacturer Warranty: 3-Year