Specification

OEM Caviar Blue WD5000AAKS 500GB 7, 200 RPM SATA 3.0Gb/ s 3.5" Internal Hard Drive - Pick the drive that suits your needs with the confidence in knowing that the WD Caviar Blue hard drive is built to the highest standards of quality and reliability. With hard drive capacities ranging from 40 GB to 750 GB, these drives are the perfect solution for family and business computing.

Interface

PATA - Enhanced integrated drive electronics ( EIDE) , also called Parallel ATA ( PATA) , hard drives have been the standard in the computer industry for more than 10 years.

SATA - Serial ATA ( SATA) hard drives are quickly becoming the new standard. Motherboard manufacturers now include SATA inputs on their boards. Because of their considerably narrower cables, SATA hard drives provide increased airflow and less clutter and in the computer system compared to PATA drives.

The performance difference - PATA drives support data transfer rates up to 100MB/ sec, and all WD Caviar Blue SATA drive support 3 Gb/ s transfer rates.