CellularFactory offers this USB 2.0 to Serial ATA Adapter for $3.79. Coupon code "TJTO60" bags free shipping. That's a 20 cent drop under our mention from two days ago of a similar adapter and the lowest total price we could find for a comparable item elsewhere by a buck. This adapter allows you to connect any eSATA hard drive via your computer's USB 2.0 port. Deal ends July 28.