Western Digital Caviar Blue 500GB Hard Drive - 7200, 16MB, ATA-100
WD Caviar SE16 7200 RPM next-generation ATA hard drives feature up to 500 GB of storage and a 16 MB cache for lightning-fast performance.
Western Digital Caviar SE 320GB Hard Drive - 7200, 8MB, ATA-100, EIDE, OEM
Offering capacities as large as 320 GB, the Western Digital family of EIDE Hard Drive Kits is equipped with an 8 MB buffer.
