WD Blue 500GB SATA 7200RPM 3.5" with 16MB Cache 6Gb/s 20-pack
Manufacturer Part Number:WD5000AAKX-20PK
WD Caviar Blue hard drives are available with either a SATA or PATA interface and offer a variety of cache sizes. These drives deliver rock solid performance and ultracool and quiet operation. They are perfect for family and business computing.