Ocean Technology via Amazon offers the Unitek USB 3.0 to SATA Dual Bay External 3.5" Clone Hard Drive Docking Station in Aluminum for $37.99. Coupon code "EU7ZN6SR" cuts the price to $32.67. With free shipping, that's the lowest price we could find by $7, although we saw it for $10 less (in a different color option) in March. It works with 2.5" and 3.5" drives up to 6TB and features transfer rates up to to 6Gbps, offline clone function, and LED light indicator, and sleep function.