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    Product Overview 
For Use With
- Raspberry Pi 4 Model B
Operating System
- All Raspberry Pi operating systems
Key Features
- Ideal storage solution for Raspberry Pi 4 - 2.5" SATA HDD/SSD Shield  
- Supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD)
- Integrated USB 3.1 Gen1 to SATA 6Gb/s bridge controller
- USB3.1 Gen1 5Gb/s connectivity offers plug-and-play functionality on your Raspberry Pi
- Allows booting OS from your HDD/SSD for faster app opens, web serving and file copying (see notes)
- Compatible with USB 2.0
- On-board push button to control power on /off
(Press-ON, Hold the button pressed at least 2s -OFF)
- Power the RPI via Pi's 40-pin header only needing a single power supply
- On-board XH2.54 power connectors allows to power other devices
- LED red indicator indicates powered status and blue indicator indicates drive status
- External Self-Powered or USB bus-powered
- Specially-made USB3.1 jumper to connect with Raspberry Pi - no additional cables needed
- Mounting holes and standoffs provide mechanical stability of the Raspberry Pi and X825 assembly
- Fully compatible with X735 for intelligent power management and cooling your Raspberry Pi
- Fully compatible with X710 for wide input voltage (6~36V) and intelligent power management
- Fully compatible with X765 for powering over Ethernet (POE, 5V 5A)
- Fully compatible with X725 for uninterruptible power supply (18650 UPS, 5.1V 8A, WOL)
- Power supply: 5Vdc +/-5% , 4A
- Ports & Connectors: DC jack - 5.5x2.5mm, USB socket - USB 3.0 type A,
                                  Power output connector - XH2.54 2-pin
                                  Power switch connector -PH2.0 4-pin
- PCB Size 107.5mm x 85mm
- A microSD card is required for forceing the Raspbian OS to use the HDD/SSD for its "root" partition
- For use with original power supply unit only
Do not power your Raspberry Pi via the Pi's 40-pin header and type-C socket at the same time.
    Packing List
- X825 board x 1  
- USB3.1 jumper x 1  
- Power daughter board x 1  
- 2-Pin Power Connection Wire x 1  
- Spacer F/F M2.5 x 12mm x 4  
- Spacer M/F M2.5 x 11mm x 4  
- Screw M2.5 x 5mm x 8  
- Screw M3 x 6mm x 6  
- Spacer F/F M3 x 15mm x 4  
- Power adapter 5V 4A - Optional x 1
    Optional Accessories
  Power Supply Unit  
- AC 100 - 240V input  
- 5Vdc 4A output
- W/ EU and US plug
- 5.5*2.5 DC plug
- 1.2M cable w/ magnet ring
  X735 V2.1  
- Smart power management
- Supports safe shutdown
- Supports full poweroff
- Auto-Control cooling fan 
- 40-pin header Reserved
  See details  
- Smart power mgmt board
- Wide 6~36V input range
- 5.1V 5000mA output
- Supports safe shutdown
- Low-noise cooling fan
  See details  
- Power over Ethernet board
- IEEE802.3at PoE standard
- 5V/5A 25W DC output
- Isolated switched-mode
- 4 XH2.54 power connectors
  See details  
- Smart power mgmt board
- Power on/wake on lan
- 18650 dual Cells Li-Ion UPS
- 5.1V 8A Power Backup
- 2nd 10/100M fast Ethernet
  See details