Features:
- Compatible with Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+
- Supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD)
- Supports USB booting from your HDD/SSD
- On-board push button to control power on /off
  (Press-ON, Hold the button pressed at least 2s -OFF)
- Powers the Raspberry Pi via Pi's 40-pin header or Micro USB socket
- On-board XH2.54 connector and USB power socket to power other devices
- Ideal storage solution for Raspberry Pi
- USB 3.0 to SATA 6.0Gb/s bridge controller
- USB 2.0 connectivity offers plug-and-play functionality for your Raspberry Pi
- Quick file transfer with high-speed USB 3.0 connectivity from a PC or a Mac
- External Self-Powered or USB bus-powered
- LED red indicator indicates powered status and blue indicator indicates drive status
- Power supply: 5Vdc +/-5%, 4A

Package Included:
- 1 x HDD Expansion Board X820 V3.0
- 1 x USB Data Cable 60cm
- 1 x USB Connector Board
- 1 x USB 2.0 A-Male to Micro B Power Cable
- 1 x XH2.54 2P Power Connection Wire 10cm
- 4 x M2.5*12mm Copper Pillars
- 8 x M2.5*6mm Screws
- 4 x M3*15mm Copper Pillars
- 6 x M3*6mm Screws