Fantom GreenDrive 2TB USB & eSATA External Drive for $154.99 shipped after applying this coupon and a $20 rebate. Here is a screenshot before the $20 rebate for your reference. Note that the coupon is for new customers only and you may need to create a new account in order to use the coupon. It claims to have power savings of 4 to 5 watts over most external drives. Others have it for over $200.