Brand MAIWO Model K307B Quantity 1 Color Black Material Plastic+Aluminum Supports HDD Type 2.5 Internal Slot Interface SATA Slots Number 4 External Slot Interface USB 3.0 + eSATA Supports Max. HDD Capacity 3TB Power Supply Input 100~240V 50/60Hz 1.2A max; Output: 12V / 5A Supports System Windows 2000/XP/Vista/7 Features Support 4PCS of 2.5''/3.5'' SATA HDD&SSD; Support plug and play easy to insert and pull out hard disk; Support each HDD max up to 3TB; No need for PC just press the button twice then it can copy full disk information from 1:1 or 1:2 or 1:3 HDD; with 5 LEDs to show clone progress. 12V 5A power adapter support HDD total up to 12TB. With USB 3.0 and eSATA port to choose from; with switch to control storage and clone function: PM for PC mode clone for offline copy very convenient. Support clone from 1disk to 3 disk without PC same time Packing List 1 x HDD Docking 1 x USB3.0 cable 1 x Power Adapter (110cm) 1 x UK Plug Power Cord (110cm) 1 x User Manual 1 x CD disc 4 x HDD bracket