Ending today, Rakuten Shopping offers the Buffalo DriveStation 2TB USB 3.0 DDR2 External Desktop Hard Drive with DDR3 MegaCache Accelerator, model no. HD-GD2.0U3, for $104.99. Apply coupon code "VC25" and checkout with Visa Checkout to drop the price to $79.99. Plus, coupon code "FLASH15" bags 1,200 Rakuten Super Points, which convert to a $12 Rakuten Shopping credit. With free shipping, and assuming you use the credit, that's the lowest total price we could find by $39. It features 1GB of DRAM cache and transfer speeds of up to 5Gb/s and can be used to back up your computer via Buffalo Backup Utility for PC or Time Machine for Mac.