TigerDirect offers the Western Digital 2TB Red NASware Serial ATA 6Gb/s 3.5" Internal Hard Drive, model no. WD20EFRX, for $119.99. This $20 mail-in rebate drops it to $99.99. With free shipping, that's $0.05/GB, tied with our mention from a month ago (which didn't require a rebate), and the lowest total price we could find by $14. Designed for NAS systems, it features a 64MB cache. Rebate ends today.