Western Digital is one of the big names in hard drives, and one of their latest releases puts a much stronger emphasis on the word big. Model number WD20EADS is a 3.5" SATA 3Gbps hard drive from their "eco-friendly" Caviar Green series that sports 32MB of cache memory and an industry leading 2TB of storage capacity. http://www.bigbruin.com/2009/wd2tb_1