NewEgg.com has the VOX 250GB 7200 RPM 3.5" USB 2.0 / eSATA External Hard Drive Model EXSA-35C-250G5K for $79.99 - $40 rebate [Exp 05/15] = $39.99 with free shipping.
--With 250GB of storage and a 7200 RPM speed; Dual Interface USB 2.0 & eSATA connections
--Synchronize data between computer & other hard drive; Sleek slim design & Space saver with Horizontal or Vertical positioning