Western Digital WD Blue 640GB Internal Hard Drive WD6400AAKS 3.5 Inch HDD SATA2

Fully tested, fully functional refurbished hard drive.

Western Digital WD Blue 640GB Internal Hard Drive WD6400AAKS 3.5 Inch HDD SATA2 7200RPM 16MB Cache

The Western Digital WD Caviar Blue WD6400AAKS is a reliable 3.5-inch internal hard drive with 640 GB storage capacity, ideal for desktop PCs, office computers, and as additional data storage. It offers ample space for operating systems, programs, documents, photos, videos, and other files.

Equipped with a SATA II (3 Gbit/s) interface, 7,200 RPM, and 16 MB cache, the hard drive ensures balanced performance with fast access times and reliable data transfers in daily use. The proven CMR (Conventional Magnetic Recording) technology guarantees consistent read and write performance and is ideal for classic desktop applications.

The WD Caviar Blue series was developed for quiet, energy-efficient, and reliable operation. Technologies such as WhisperDrive™ reduce operating noise, while SoftSeek™ minimizes seek noise and ensures quiet operation. At the same time, efficient thermal management contributes to high reliability in continuous operation.