4 TB WD Green SATA III 5400 RPM 64 MB Cache Bulk/OEM Desktop Hard Drive
WD Green hard drives reduce power consumption by up to 40% and offer best-in-class acoustics and operating temperature and 3rd generation SATA interface.
IntelliPower – A fine-tuned balance of spin speed, transfer rate and caching algorithms designed to deliver both significant power savings and solid performance.
IntelliSeek – Calculates optimum seek speeds to lower power consumption, noise, and vibration.
4 TB capacity holds up to 800,000 digital photos, 1,000,000 MP3 files, and 300 hours of HD video.