WD Black Performance Storage Mobile Hard Drive Desktop-class performance for notebook computers. Maximum performance Sophisticated performance enhancing features deliver the speed you need for demanding applications like photo and video editing and Internet gaming. No compromises High performance, high capacity, high reliability, and cutting-edge technology make up WD Black, the ideal drive for those who demand only the best. Feature rich WD Black hard drives combine a high performance, 16 MB cache and SATA 6 Gb/s interface for the ultimate in power computing for notebooks. Product Features High performance electronics WD Black drives feature a dual processor and bigger, faster dynamic cache for maximum read and write speeds. Dual processor Twice the processing power to ma model : WD7500BPKX tag : Internal Hard Drives