Hard disks are used for storing masses of data in your system. Internal drives come in two main form factors: 3.5”, which you typically use in desktop PCs, and 2.5”, which are usually for laptops, though a range of convertor brackets are also available. Discover our full range of Internal Hard Drive, Hard Disk Drive, HDD, M.2, NVMe and SSD pages from 60GB to 8TB. We stock a range of hard drives (HDDs) from leading manufacturers such as Seagate, Western Digital, Samsung, Corsair, Dynamode, HGST, Hitachi, Kingston, SanDisk, Crucial, Intel, Hynix, ADATA, HyperX, PNY, Intenso, Silicon Power, AMD and Toshiba.