TigerDirect offers the Seagate 3TB Barracuda Serial ATA 6Gb/s Internal Hard Drive, model no. ST3000DM001, for $89.99 via the directions below. With around $4 for shipping, that's $0.03/GB and the lowest total price we could find by $20, although we saw it for $10 less during Black Friday week. It runs at 7200 rpm and features a 64MB cache. Rebates end January 24. To get this deal:

1. Add the Seagate 3TB Barracuda SATA 6Gb/s Internal Hard Drive to your cart for $129.99
2. redeem this $30 mail-in rebate to cut it to $99.99
3. redeem this $10 mail-in rebate to further chop the net price to $89.99