WD Caviar Blue WD3200AAKX 320GB SATA 6Gb/s Internal 3.5-inch Desktop Hard Drive WD Caviar Blue hard drives are available withSATA 6 Gb/s interface built to deliver rock solidperformance and ultra-cool and quiet operation. With capacities ranging from 250 GB to 1 TB, these drives are the perfect solution for family and business computing. SINGLE PACK