With a massive storage capacity of 250 gigabytes and fast data transfer rate of 300 Mbps, this Western Digital WD2500AAJS SATA/300 Hard Drive delivers superior performance for your home or office desktop storage needs! This Western Digital Caviar SE WD2500AAJS Hard Drive features a large 8 MB buffer, 8.9 ms average read seek time, and a 7,200 RPM spindle speed for smooth and reliable operation! Add more storage space to your PC with this Western Digital WD2500AAJS Hard Drive! Order now!