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WD Scorpio Black 500 GB SATA 7200 RPM 16 MB Cache Bulk/OEM 2.5 Mobile Hard Drive (WD5000BPKT)

WD Scorpio Black7200 RPM SATA 25-inch hard drives from Western Digital deliver desktop-class performance and power efficiency for longer battery life Capacities up to 750 GB
7200 RPM and 16MB cache deliver desktop performance for your laptop
IntelliSeek - Calculates optimum seek speeds to lower power consumption noise and vibration
500 GB capacity holds up to 100000 digital photos 125000 MP3 files and 60 hours of HD video
5 year limited warranty