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Western Digital 1.5 TB Caviar Green SATA Intellipower 32 MB Cache Bulk/OEM Desktop Hard Drive

WD Caviar Green hard drives reduce power consumption by up to 40
A fine-tuned balance of spin speed transfer rate and caching algorithms designed to deliver both significant power savings
IntelliSeek - Calculates optimum seek speeds to lower power consumption noise and vibration
15 TB capacity holds up to 300000 digital photos 375000 MP3 files and 180 hours of HD video