Dell Home offers the Buffalo DriveStation 3TB USB 3.0 External Desktop Hard Drive, model no. HD-LC3.0U3, for $159.99. Coupon code "GMN2TXX2S?6?VR" cuts it to $89.99. With free shipping, that's the lowest total price we could find by $10, although we saw it for a buck less last month. It features interface speeds of up to 3Gbps and can be used to back up your computer via Buffalo Backup Utility for PC or Time Machine for Mac. Deal ends December 17.