Features:

2/4 x 3.5” SATA HDD case support USB3.0+ eSATA interface  

Each HDD Capacity over 6TB

Supports Auto Rebuilding Function

Supports RAID 0/1/3/5/10/HDD CLONE/JBOD(Option)

Complies with USB3.0 Data transfer rate up to 5.0Gbps

Supports eSATA Multiplier Function

Tooling Free & Screw Free to install 3.5”HDD

Support SATA II/III 2.5”/3.5” Hot swap Tray 

Built in ultra low noise 12cm Fan, best heat dissipation(4 Bay)

Power Supply: Input 110-240V AC 50/60Hz

 Specification:

   Main Chipset: Jmicron Solution

   Chassis Material: Aluminum Alloy& Plastic Panel

   Dimensions: L229*W165*H165mm(4 Bay)

                               L213*W134*H121(2 Bay)            

Operating System: Windows 98/Me/2000/XP/Vista/7/8;MAC 10.4 or latest OShttp://preview.alibaba.com/product/60384911521-209570852/OEM_4_Bay_hdd_thunderbolt_drive_dual_docking_station.html