We provide SATA, SATA II, & IDE internal hard drives from leading brands Hitachi, Maxtor, Samsung, and Seagate ranging in storage capacity from 160GB to 4TB, and in cache from 8Mb to 64Mb. Extremely durable with low power consumption, the 3.5”, these desktop & laptop internal hard drives are suitable for mainstream PCs, notebook PCs, office systems, gaming systems and other systems.