Newegg has the HighPoint RocketStor 5122B SMART BackUp 2x USB 3.0 Dual-Dedicated 5Gb/s Storage Dock for $90 - $20 off with coupon code HIPOJAN8
[Exp 1/10] - $20 rebate
[Exp 1/31] = $50
with free shipping. Features two device bays, each powered by a dedicated device controller and flexible and configurable backup schemes.