Mediasonic HFR2-SU3S2 RAID 4-Bay USB 3.0 & eSATA Enclosure for $119.99 shipped after promo code MED329. In addition, receive Kingston DataTraveler 109 16GB USB 2.0 Flash Drive for free. Here is a screenshot for your reference. Mediasonic HFR2-SU3S2 PRORAID Box features 4 bays, USB 3.0 & eSATA connectivity, and on-board RAID controller with RAID 0/1/3/5/10 support. Most places have this enclosure for about $199.